Liabilities / Assets
67th percentile
Higher debt load relative to assets than 67% of similar nonprofits.
EIN 48-1265207 • 501(c)3 • San Mateo, CA
Profile
Sustainable san mateo county began tracking sustainability progress by local cities in san mateo county in 1997. We have been celebrating sustainability champions since 1999. The growing impact of climate change and widening inequality in income and opportunity have prompted ssmc to become more proactive in advocating for sustainable programs and policies.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
67th percentile
Higher debt load relative to assets than 67% of similar nonprofits.
Liabilities / Revenue
69th percentile
Higher debt load relative to revenue than 69% of similar nonprofits.
Net Margin
13th percentile
Higher net margin than 13% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
51st percentile
Faster asset growth than 51% of similar nonprofits.
Revenue Growth
55th percentile
Faster revenue growth than 55% of similar nonprofits.
Assets
Down$243,829
Down $157,817 (-39%) from 2023
Liabilities
Down$2,808
Down $22,296 (-89%) from 2023
Net Assets
Down$241,021
Down $135,521 (-36%) from 2023
Revenue
Down$248,445
Down $87,018 (-26%) from 2023
Expenses
Up$383,966
Up $35,556 (+10%) from 2023
Net Income
Down-$135,521
Down $122,574 (-947%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
Healthy envirionment, economy, and society locally.
To improve the sustainability practices throughout San Mateo County.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Rtn Earn Endowment Incm Other Fnds | $376,542 | $241,021 | ▼ $135,521 |
| Cash and Non-Interest-Bearing Accounts | $183,989 | $142,830 | ▼ $41,159 |
| Savings and Temporary Cash Investments | $201,782 | $100,749 | ▼ $101,033 |
| Prepaid Expenses and Deferred Charges | - | $250 | - |
| Accounts Receivable | - | $0 | - |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Pledges and Grants Receivable | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Investments in Publicly Traded Securities | - | $0 | - |
| Land, Buildings, and Equipment, Net | - | $0 | - |
| Intangible Assets | - | $0 | - |
| Inventories for Sale or Use | - | $0 | - |
| Total Assets | $401,646 | $243,829 | ▼ $157,817 |
| Other Assets Total | $15,875 | $0 | ▼ $15,875 |
| Liabilities | |||
| Deferred Revenue | $23,123 | - | - |
| Accounts Payable and Accrued Expenses | $1,981 | $2,808 | ▲ $827 |
| Total Liabilities | $25,104 | $2,808 | ▼ $22,296 |
| Net Assets / Fund Balance | |||
| Total Net Assets Fund Balance | $376,542 | $241,021 | ▼ $135,521 |
| Total Liabilities and Net Assets / Fund Balance | $401,646 | $243,829 | ▼ $157,817 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| Sarah Hubbard | Executive Director | FT | $108,000 | $108,000 |
| Name | Title |
|---|---|
| Kirsten Keith | Chairman |
| Terry Nagel | Chairman |
| Barbara McHugh | Director |
| George Kreitem | Director |
| Georgi LaBerge | Director |
| John Crowell thru 1224 | Director |
| Lori Low thru 1224 | Director |
| Mark Olbert | Director |
| Melissa Rohlfs | Director |
| Russ Miller | Director |
| Sarah Prescott thru 0624 | Director |
| Valerie Fox Carlos | Director |
| Veronica Escamez | Director |
| William Schulte | Director |
| Gail Lee | Secretary |
| Laura Larkin | Treasurer |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Other Non Cash Contri Table | 44 | $15,825 | Cash |
| Other Non Cash Contri Table | 5 | $12,095 | Fair Market Value (FMV) |
| Other Non Cash Contri Table | 26 | $5,205 | Cash |
| Total Noncash Contributions | 75 | $33,125 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $332,062 |
| Total Fundraising Expense | $88,996 |
| Other Expenses | $51,904 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $86,889 | $28,251 | $72,984 | $188,124 |
| Current Officers, Directors, Trustees, and Key Employees | $86,401 | $21,602 | - | $108,003 |
| Payroll Taxes | $12,907 | $3,026 | $7,977 | $23,910 |
| Fees for Services Other | $15,262 | $4,063 | - | $19,325 |
| Other Employee Benefits | $6,491 | $1,522 | $4,012 | $12,025 |
| Fees for Services Accounting | - | $5,513 | - | $5,513 |
| Information Technology | $2,076 | $2,041 | $1,330 | $5,447 |
| Insurance | - | $4,435 | - | $4,435 |
| All Other Expenses | $1,221 | $251 | $1,659 | $3,131 |
| Advertising | $1,114 | - | $883 | $1,997 |
| Other Expenses | $1,201 | $28 | $151 | $1,380 |
| Office Expenses | $203 | - | - | $203 |
| Total Functional Expenses | $218,296 | $76,674 | $88,996 | $383,966 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $162,854 |
| Fundraising Direct Expenses | $81,882 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Fund the Future | $199,890 | $162,854 | $9,253 | $153,601 |
| Total Events | $199,890 | $162,854 | $81,882 | $80,972 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“Board members Barbara McHugh and Mark Olbert are married.”
“The Form 990 is reviewed and approved by officers. An overview of the tax return is reviewed and approved at a board meeting.”
“Board members are required to review the conflict of interest policy annually.”
“CEO compensation undergoes annual review and performance feedback from the Board.”
“Other employees undergo annual compensation and performance reviews.”
“Governing documents, conflict of interest policy and financial statements are available upon request.”
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/BOYAmt | 0 | 1981 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2808 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | To improve the sustainability practices throughout San Mateo County. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 883 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1114 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 1997 |
| IRS990/AllOtherContributionsAmt | 0 | 67141 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 1659 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 251 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 1221 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 3131 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | false |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Friedland Associates |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4152977493 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 832 Baker Street |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | San Francisco |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 94115 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 183989 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 142830 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 21602 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 86401 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 108003 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContriRptFundraisingEventAmt | 0 | 37036 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 165377 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 2096 |
| IRS990/CYOtherExpensesAmt | 0 | 51904 |
| IRS990/CYOtherRevenueAmt | 0 | 80972 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -135521 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 332062 |
| IRS990/CYTotalExpensesAmt | 0 | 383966 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 88996 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 248445 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | true |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 23123 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | SUSTAINABILITY AWARDS: The Sustainability Awards remained a cornerstone of SSMCs community engagement efforts, recognizing individuals, businesses, and organizations that demonstrate leadership in sustainability. In 2024, we awarded our first Youth Sustainability Award. The event brought together local leaders and advocates to celebrate achievements and inspire further action. Through this program, SSMC continued to elevate the visibility of sustainability efforts across the region and encourage broader community participation. 2024 WINNERS: Ruth Peterson Award: Bernard Bruand; Sustainability: Youth Climate Ambassadors Leadership Program, Samuel Herzberg, Byrds Filling Station; Youth Sustainability: Kayla Ling Green; Building: The Nueva Schools Science and Environmental Center, Hillsborough; Honorable Mention to The Bay Meadows Urban Village, San Mateo |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 4 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 118602 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 5513 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 5513 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 4063 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 15262 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 19325 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| 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/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 30.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 4.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 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/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | 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/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Sarah Hubbard |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Terry Nagel |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Kirsten Keith |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Laura Larkin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Gail Lee |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Veronica Escamez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Valerie Fox Carlos |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | George Kreitem |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Georgi LaBerge |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Barbara McHugh |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Russ Miller |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Mark Olbert |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Melissa Rohlfs |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | William Schulte |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | John Crowell thru 1224 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Lori Low thru 1224 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | Sarah Prescott thru 0624 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 108000 |
| 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/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 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/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Executive Dir. |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Chairman |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1992 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingAmt | 0 | 37036 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 81882 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 162854 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 15 |
| IRS990/GovernmentGrantsAmt | 0 | 61200 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 330327 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 15 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1330 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 2041 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 2076 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 5447 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 4435 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 4435 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 2096 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 2096 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 4 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | To improve the sustainability practices throughout San Mateo County. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 376542 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 241021 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 80972 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NoncashContributionsAmt | 0 | 33125 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 203 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 203 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 15875 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 4012 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 1522 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 6491 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 12025 |
| IRS990/OtherExpensesGrp/Desc | 0 | Program Supplies |
| IRS990/OtherExpensesGrp/Desc | 1 | Professional Development |
| IRS990/OtherExpensesGrp/Desc | 2 | Storage |
| IRS990/OtherExpensesGrp/Desc | 3 | Printing and Publications |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 151 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 4041 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 1901 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 28 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 4488 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 43 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 1201 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 4488 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 4084 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 1901 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 1380 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 72984 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 28251 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 86889 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 188124 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 7977 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 3026 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 12907 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 23910 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 250 |
| IRS990/PrincipalOfficerNm | 0 | Sarah Hubbard |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | SUSTAINABILITY DASHBOARD: The Sustainability Dashboard underwent a complete overhaul in 2024, transforming it into an interactive platform that provides real-time insights across more than 90 sustainability metrics. This new format allows city officials, policymakers, and community members to track local progress on issues such as energy use, housing, transportation, and climate resilience. By making data more accessible and actionable, the dashboard empowers decision-makers to prioritize and implement effective sustainability policies. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 56910 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | INDICATORS REPORT FOR A SUSTAINABLE SAN MATEO COUNTY: In 2024, the Indicators Report continued to serve as a critical research tool, offering an in-depth analysis of sustainability challenges and opportunities in San Mateo County. The 2024 report responded to the stated needs of local elected leaders, focusing on equitable electric vehicle (EV) charging infrastructure, assessing gaps in charger accessibility, and highlighting solutions for expanding EV adoption. SSMC hosted a launch event featuring expert panelists from Peninsula Clean Energy, PG&E, and Stanford University, facilitating discussions on how local governments and businesses can support equitable transportation electrification. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 24532 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | OTHER PROGRAMS: Ideas Bank |
| IRS990/ProgSrvcAccomActyOtherGrp/ExpenseAmt | 0 | 18252 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 235958 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 5161 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 100512 |
| IRS990/PYOtherRevenueAmt | 0 | 94344 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -12947 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 247898 |
| IRS990/PYTotalExpensesAmt | 0 | 348410 |
| IRS990/PYTotalRevenueAmt | 0 | 335463 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -135521 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt | 0 | 376542 |
| IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt | 0 | 241021 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 201782 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 100749 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 248619 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 235958 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 215255 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 135108 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 102858 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 937798 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 2096 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 5161 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1239 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 203 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 170 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 8869 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 79613 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 121120 |
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