Liabilities / Assets
12th percentile
Higher debt load relative to assets than 12% of similar nonprofits.
EIN 68-0137105 • 501(c)3 • Santa Rosa, CA
Profile
The mission of the sonoma county public library foundation is to strengthen the ability of the sonoma county library to serve our community by raising funds to support the library, and to promote the use of library resources, enthusiasm for reading, and increased literacy for all sonoma county residents.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
12th percentile
Higher debt load relative to assets than 12% of similar nonprofits.
Liabilities / Revenue
14th percentile
Higher debt load relative to revenue than 14% of similar nonprofits.
Net Margin
97th percentile
Higher net margin than 97% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
97th percentile
Faster asset growth than 97% of similar nonprofits.
Revenue Growth
98th percentile
Faster revenue growth than 98% of similar nonprofits.
Assets
Up$7,150,000
Up $6,047,661 (+549%) from 2022
Liabilities
Up$6,477
Up $6,477 from 2022
Net Assets
Up$7,143,523
Up $6,041,184 (+548%) from 2022
Revenue
Up$1,245,179
Up $1,212,073 (+3661%) from 2022
Expenses
Up$177,253
Up $173,143 (+4213%) from 2022
Net Income
Up$1,067,926
Up $1,038,930 (+3583%) from 2022
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
The mission of the sonoma county public library foundation is to strengthen the ability of the sonoma county library to serve our community by raising funds to support the library, and to promote the use of library resources, enthusiasm for reading, and increased literacy for all sonoma county residents.
Empowering the sonoma county library system through financial enrichment, community connections, and advocacy.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $4,644,006 | $5,548,193 | ▲ $904,187 |
| Savings and Temporary Cash Investments | $966,891 | $1,122,353 | ▲ $155,462 |
| Cash and Non-Interest-Bearing Accounts | $283,572 | $436,954 | ▲ $153,382 |
| Pledges and Grants Receivable | - | $42,500 | - |
| Accounts Receivable | - | $0 | - |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Land, Buildings, and Equipment, Net | - | $0 | - |
| Intangible Assets | - | $0 | - |
| Inventories for Sale or Use | - | $0 | - |
| Prepaid Expenses and Deferred Charges | - | $0 | - |
| Total Assets | $5,894,469 | $7,150,000 | ▲ $1,255,531 |
| Other Assets Total | - | $0 | - |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | - | $6,477 | - |
| Total Liabilities | $0 | $6,477 | ▲ $6,477 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $4,988,264 | $5,540,306 | ▲ $552,042 |
| Net Assets Without Donor Restrictions | $906,205 | $1,603,217 | ▲ $697,012 |
| Total Net Assets Fund Balance | $5,894,469 | $7,143,523 | ▲ $1,249,054 |
| Total Liabilities and Net Assets / Fund Balance | $5,894,469 | $7,150,000 | ▲ $1,255,531 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $995,247 | - | ▲ $117,971 | - | $1,110,488 |
| 2023 | - | $998,000 | ▼ $2,753 | - | $995,247 |
| Name | Title |
|---|---|
| Chris Falley | President |
| Pat Kuta | Vice President |
| Bo Simons | Director |
| Dennis Mccarter | Director |
| Jorge Inocencio | Director |
| Krissy Nelson | Director |
| Magalli Larque | Director |
| Helena Whistler | Secretary |
| Judith Glenn | Treasurer |
| Line Item | Amount |
|---|---|
| Other Expenses | $146,503 |
| Total Fundraising Expense | $43,306 |
| Grants and Similar Amounts Paid | $30,750 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | $34,719 | $425 | $36,713 | $71,857 |
| Fees for Services Accounting | - | $35,680 | - | $35,680 |
| Grants to Domestic Orgs | $30,750 | - | - | $30,750 |
| Fees for Service Investment Mgmnt Fees | - | $15,221 | - | $15,221 |
| Insurance | - | $2,745 | - | $2,745 |
| Information Technology | - | $525 | $1,520 | $2,045 |
| Office Expenses | - | $1,744 | - | $1,744 |
| All Other Expenses | - | $895 | $392 | $1,287 |
| Other Expenses | $594 | $1,008 | $1,135 | $1,008 |
| Fees for Services Legal | - | $123 | - | $123 |
| Total Functional Expenses | $75,482 | $58,465 | $43,306 | $177,253 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Sonoma County Library | Rohnert Park, CA | - | Library Staff Training | $10,000 |
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $19,954 |
| Fundraising Gross Income | $5,782 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Tasting Diversity | $20,846 | $5,782 | $13,334 | $-7,552 |
| Total Events | $20,846 | $5,782 | $18,085 | $-12,303 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“The organization amended its Articles of Incorporation to change the name of the organization from "Sonoma County Public Library Foundation" to "Sonoma County Library Foundation and the name of the organization they support from "Sonoma County Public Library System" to "Sonoma County Library".The amendment also specifies that the corporation has no members.”
“The board of directors reviews the 990 before it is filed.”
“Sonoma county public library foundation makes its governing documents avaiable to the public upon request.”
“Audit committee selected reviewers, participated in meetings with reviewer and oversaw the process.”
“The donor-restricted Endowment Fund is to be kept at the original value of the gifts donated to the permanent endowment plus additions in accordance with donor restrictions. The remaining portion of the donor-restricted endowment funds that are not classified as permanently restricted are temporarily restricted until those amounts are appropriated for expenditure by the Foundation in a manner consistent with the standard of prudence prescribed by the Uniform Prudent Management of Institutional Funds Act of 2006.The Foundation's Board has established an annual spending policy, which is determined using 4% of the fair value at the end of the first fiscal year, and then averaged over two years in year two, and a rolling three subsequent years going forward.”
“The Foundation is exempt from federal and state income taxes under Internal Revenue Code Section 501(c)(3) and California Franchise Tax Board Code Section 23701(d); however, income from certain activities not directly related to the Foundation's tax-exempt purpose could be subject to taxation as unrelated business income if carried out on a regular basis. The Internal Revenue Service has determined the Foundation qualifies for the charitable contribution deduction under Section 170(b)(1)(A) and has been classified as an organization other than a private foundation under Section 509(A)(2).The Foundation determines whether its tax positions are "more-likely-than-not" to be sustained upon examination by the applicable taxing authority based on the technical merits of the positions. As of June 30, 2024, the Foundation had no unrecognized tax positions or uncertain tax positions requiring accrual. Therefore, no provision for income taxes has been provided in these financial statements. Exempt organization information returns are subject to review through three years after the date of filing for federal and four years after the date of filing for California.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | true |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 6477 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | EMPOWERING THE SONOMA COUNTY LIBRARY SYSTEM THROUGH FINANCIAL ENRICHMENT, COMMUNITY CONNECTIONS, AND ADVOCACY. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherContributionsAmt | 0 | 1027833 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 392 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 895 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 1287 |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Judith Glenn |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7074799684 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 140 California Avenue |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Santa Rosa |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 95405 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 283572 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 436954 |
| IRS990/ChangeToOrgDocumentsInd | 0 | true |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContriRptFundraisingEventAmt | 0 | 15064 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1052571 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 30750 |
| IRS990/CYInvestmentIncomeAmt | 0 | 206780 |
| IRS990/CYOtherExpensesAmt | 0 | 146503 |
| IRS990/CYOtherRevenueAmt | 0 | -14172 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1067926 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 177253 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 43306 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1245179 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | LIBRARY PROGRAM FUNDING:THE ORGANIZATION RAISES AND DONATES FUNDS TO THE SONOMA COUNTY LIBRARY. SONOMA COUNTY HAS 14 LIBRARIES THAT SERVE OVER 2 MILLION VISITORS PER YEAR. OVER THE PAST FEW YEARS THE FOUNDATION HAS DONATED BETWEEN $100,000 TO $200,000 TO SUPPORT THE LIBRARY PROGRAMS. SINCE 2015 WE HAVE SPONSORED THE SUMMER LIBRARY READING PROGRAM FOR CHILDREN AND TEENS, ENCOURAGING LITERACY & PREVENTING SUMMER LEARNING LOSS. WE LED THE EFFORT TO ESTABLISH A TEMPORARY LIBRARY BRANCH IN ROSELAND, A HISTORICALLY UNDERSERVED NEIGHBORHOOD, AND PROVIDED OVER $70,000 TO PURCHASE BOOKS AND COMPUTERS TO JUMPSTART THE PROJECT. OUR MINI GRANT PROGRAM FUNDED 12 INNOVATIVE PROGRAMS THROUGHOUT THE COUNTY: AN IMMENSELY SUCCESSFUL ART PROGRAM WORKING WITH THE HOMELESS IN SANTA ROSA. IN 2021, THE ORGANIZATION SHIFTED ITS FOCUS TO FUNDING CAPITAL PROJECTS/IMPROVEMENTS GOING FORWARD AND SHIFTED AWAY FROM FUNDING PROGRAMS, ETC. IN THE LIBRARY. THE LIBRARY IS ADEQUATELY FUNDED TO SUPPORT ALL ITS OPERATIONS, BUT IT WILL NEED ADDITIONAL FUNDING TO SUPPORT ITS UPCOMING CAPITAL PROJECTS AND IMPROVEMENTS IN THE NEXT FEW YEARS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 4988264 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 5540306 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 75482 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FederatedCampaignsAmt | 0 | 9674 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 35680 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 35680 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 123 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 123 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 36713 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 425 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 34719 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 71857 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 15221 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 15221 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 12.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 12.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 8.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MAGALLI LARQUE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JORGE INOCENCIO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | HELENA WHISTLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | DENNIS MCCARTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JUDITH GLENN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | CHRIS FALLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | PAT KUTA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | BO SIMONS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | KRISSY NELSON |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1988 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingAmt | 0 | 15064 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 19954 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 5782 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 23894 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantAmt | 0 | 30750 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 30750 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 30750 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1483000 |
| IRS990/GrossReceiptsAmt | 0 | 2724239 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1520 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 525 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 2045 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2745 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 2745 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 182886 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 182886 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 4644006 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 5548193 |
| IRS990/IRPDocumentCnt | 0 | 3 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 1459106 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | true |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | EMPOWERING THE SONOMA COUNTY LIBRARY SYSTEM THROUGH FINANCIAL ENRICHMENT, COMMUNITY CONNECTIONS, AND ADVOCACY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NameChangeInd | 0 | X |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 5894469 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 7143523 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 23894 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 23894 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -14172 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 181128 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 906205 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1603217 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NoncashContributionsAmt | 0 | 5064 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1744 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1744 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | Postage and Printing |
| IRS990/OtherExpensesGrp/Desc | 1 | Merchant Bank Fees |
| IRS990/OtherExpensesGrp/Desc | 2 | Other Expenses |
| IRS990/OtherExpensesGrp/Desc | 3 | Website and Internet Expenses |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 3546 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 1135 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 84 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 15 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 1008 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 7441 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 1978 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 594 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 11071 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 1993 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 1729 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 1008 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 0 |
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| IRS990/PartialLiquidationInd | 0 | false |
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| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 42500 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | JUDITH GLENN |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 4711193 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 4610 |
| IRS990/PYInvestmentIncomeAmt | 0 | 67520 |
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| IRS990/PYTotalRevenueAmt | 0 | 4778713 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
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| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1067926 |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
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| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 966891 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 1122353 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 1052571 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 221260 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 436291 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 366188 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 172982 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 2249292 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 182886 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 121382 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 5262 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 5712 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 5164 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 320406 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt | 0 | -14172 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | -14172 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.44170 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.42460 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1130745 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 1118547 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
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| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 221260 |
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| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 366188 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 172982 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 2249292 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 2559976 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 4450 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 4450 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleC/AvgGrassrootsNontaxableGrp/CurrentYearAmt | 0 | 3774 |
| IRS990ScheduleC/AvgGrassrootsNontaxableGrp/CurrentYearMinus1Amt | 0 | 231 |
| IRS990ScheduleC/AvgGrassrootsNontaxableGrp/CurrentYearMinus2Amt | 0 | 164 |
| IRS990ScheduleC/AvgGrassrootsNontaxableGrp/CurrentYearMinus3Amt | 0 | 4190 |
| IRS990ScheduleC/AvgGrassrootsNontaxableGrp/TotalAmt | 0 | 8359 |
| IRS990ScheduleC/AvgLobbyingNontaxableAmountGrp/CurrentYearAmt | 0 | 15096 |
| IRS990ScheduleC/AvgLobbyingNontaxableAmountGrp/CurrentYearMinus1Amt | 0 | 922 |
| IRS990ScheduleC/AvgLobbyingNontaxableAmountGrp/CurrentYearMinus2Amt | 0 | 655 |
| IRS990ScheduleC/AvgLobbyingNontaxableAmountGrp/CurrentYearMinus3Amt | 0 | 16760 |
| IRS990ScheduleC/AvgLobbyingNontaxableAmountGrp/TotalAmt | 0 | 33433 |
| IRS990ScheduleC/CorrectionMadeInd | 0 | false |
| IRS990ScheduleC/Form4720FiledInd | 0 | false |
| IRS990ScheduleC/Form4720FiledSection4955TaxInd | 0 | false |
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| IRS990ScheduleC/GrassrootsNontaxableGrp/FilingOrganizationsTotalAmt | 0 | 3774 |
| IRS990ScheduleC/LobbyingCeilingAmt | 0 | 50150 |
| IRS990ScheduleC/LobbyingNontaxableAmountGrp/FilingOrganizationsTotalAmt | 0 | 15096 |
| IRS990ScheduleC/OtherExemptPurposeExpendGrp/FilingOrganizationsTotalAmt | 0 | 75482 |
| IRS990ScheduleC/TotalExemptPurposeExpendGrp/FilingOrganizationsTotalAmt | 0 | 75482 |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 2730 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 995247 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 1110488 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 117971 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/ContributionsAmt | 0 | 998000 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 995247 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -2753 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | false |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | false |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/RelatedOrgListSchRInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | The donor-restricted Endowment Fund is to be kept at the original value of the gifts donated to the permanent endowment plus additions in accordance with donor restrictions. The remaining portion of the donor-restricted endowment funds that are not classified as permanently restricted are temporarily restricted until those amounts are appropriated for expenditure by the Foundation in a manner consistent with the standard of prudence prescribed by the Uniform Prudent Management of Institutional Funds Act of 2006.The Foundation's Board has established an annual spending policy, which is determined using 4% of the fair value at the end of the first fiscal year, and then averaged over two years in year two, and a rolling three subsequent years going forward. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | The Foundation is exempt from federal and state income taxes under Internal Revenue Code Section 501(c)(3) and California Franchise Tax Board Code Section 23701(d); however, income from certain activities not directly related to the Foundation's tax-exempt purpose could be subject to taxation as unrelated business income if carried out on a regular basis. The Internal Revenue Service has determined the Foundation qualifies for the charitable contribution deduction under Section 170(b)(1)(A) and has been classified as an organization other than a private foundation under Section 509(A)(2).The Foundation determines whether its tax positions are "more-likely-than-not" to be sustained upon examination by the applicable taxing authority based on the technical merits of the positions. As of June 30, 2024, the Foundation had no unrecognized tax positions or uncertain tax positions requiring accrual. Therefore, no provision for income taxes has been provided in these financial statements. Exempt organization information returns are subject to review through three years after the date of filing for federal and four years after the date of filing for California. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part V, Line 4: Intended uses of the endowment fund. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Part X : FIN48 Footnote |
| IRS990ScheduleG/AgrmtProfFundraisingActyInd | 0 | false |
| IRS990ScheduleG/FundraisingEventInformationGrp/CharitableContributionsTotAmt | 0 | 15064 |
| IRS990ScheduleG/FundraisingEventInformationGrp/CharitableContriEvent1Amt | 0 | 15064 |
| IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt | 0 | 18085 |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm | 0 | TASTING DIVERSITY |
| IRS990ScheduleG/FundraisingEventInformationGrp/FoodAndBeverageEvent1Amt | 0 | 4292 |
| IRS990ScheduleG/FundraisingEventInformationGrp/FoodAndBeverageTotalEventsAmt | 0 | 4292 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt | 0 | 20846 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt | 0 | 20846 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueEvent1Amt | 0 | 5782 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossRevenueTotalEventsAmt | 0 | 5782 |
| IRS990ScheduleG/FundraisingEventInformationGrp/NetIncomeSummaryAmt | 0 | -12303 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OthDirectExpnssTotalEventsAmt | 0 | 13334 |
| IRS990ScheduleG/FundraisingEventInformationGrp/OtherDirectExpensesEvent1Amt | 0 | 13334 |
| IRS990ScheduleG/FundraisingEventInformationGrp/RentFacilityCostsEvent1Amt | 0 | 459 |
| IRS990ScheduleG/FundraisingEventInformationGrp/RentFcltyCostsTotalEventsAmt | 0 | 459 |
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