Liabilities / Assets
12th percentile
Higher debt load relative to assets than 12% of similar nonprofits.
990 • Fiscal year 2020 • EIN 83-4126446
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
12th percentile
Higher debt load relative to assets than 12% of similar nonprofits.
Liabilities / Revenue
16th percentile
Higher debt load relative to revenue than 16% of similar nonprofits.
Net Margin
87th percentile
Higher net margin than 87% of similar nonprofits.
Top Officer Pay
34th percentile
Higher top officer pay than 34% of similar nonprofits.
Top officer pay equals 9.5% of source-year revenue.
Asset Growth
100th percentile
Faster asset growth than 100% of similar nonprofits.
Revenue Growth
98th percentile
Faster revenue growth than 98% of similar nonprofits.
Assets
Up$11,009,599
Up $10,892,624 (+9312%) from 2019
Net Assets
Up$10,936,872
Up $10,875,924 (+17845%) from 2019
Liabilities
Up$72,727
Up $16,700 (+30%) from 2019
Revenue
Up$1,387,596
Up $1,078,514 (+349%) from 2019
Expenses
Up$835,036
Up $586,902 (+237%) from 2019
Net Income
Up$552,560
Up $491,612 (+807%) from 2019
To protect and preserve the property known as the gamble house in perpetuity to nationally recognized standards of conservation and to oversee the operations of the gamble house as an historic site, a house museum, and the most complete and best-preserved work of american arts & crafts architects, charles & henry greene, thereby cultivating the public's support for and understanding the importance of its continued preservation.
To protect, preserve, and oversee the operations of the property known as the gamble house as an historic site, a house museum, and the most complete and best-preserved work of american arts & crafts architects, charles & henry greene
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $103,812 | $410,341 | ▲ $306,529 |
| Inventories for Sale or Use | - | $173,634 | - |
| Savings and Temporary Cash Investments | $10,004 | $151,539 | ▲ $141,535 |
| Prepaid Expenses and Deferred Charges | $3,159 | $3,945 | ▲ $786 |
| 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 | - |
| Total Assets | $116,975 | $11,009,599 | ▲ $10,892,624 |
| Other Assets Total | - | $10,270,140 | - |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $56,027 | $72,727 | ▲ $16,700 |
| Total Liabilities | $56,027 | $72,727 | ▲ $16,700 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $60,948 | $7,363,191 | ▲ $7,302,243 |
| Net Assets With Donor Restrictions | - | $3,573,681 | - |
| Total Net Assets Fund Balance | $60,948 | $10,936,872 | ▲ $10,875,924 |
| Total Liabilities and Net Assets / Fund Balance | $116,975 | $11,009,599 | ▲ $10,892,624 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2020 | - | $8,804,061 | ▲ $1,061,419 | $-230,786 | $9,634,694 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Edward R Bosley | CEO | FT | $124,700 | $7,083 | $131,783 |
| Name | Title |
|---|---|
| David Brown | President |
| Steve Mcleod | Vice President |
| Brian Hirrel | Board Member |
| Charles Rennie Iii | Board Member |
| Cheryl Foliart | Board Member |
| John Mitchell | Board Member |
| Nancy Marino | Board Member |
| Victor Regnier | Board Member |
| Ann Hyatt | Secretary |
| Susan Nix | Treasurer |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Other Non Cash Contri Table | 17 | $104,130 | Fair Market Value (FMV) |
| Other Non Cash Contri Table | 1 | $2,400 | Fair Market Value (FMV) |
| Total Noncash Contributions | 18 | $106,530 | - |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $520,705 |
| Other Expenses | $310,081 |
| Total Fundraising Expense | $133,885 |
| Professional Fundraising Fees | $4,250 |
| Grants and Similar Amounts Paid | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $174,660 | $38,919 | $55,487 | $269,066 |
| Current Officers, Directors, Trustees, and Key Employees | $85,659 | $19,767 | $26,357 | $131,783 |
| Other Employee Benefits | $57,842 | $13,023 | $18,208 | $89,073 |
| Fees for Services Legal | - | $71,513 | $2,400 | $73,913 |
| Fees for Services Accounting | - | $48,049 | - | $48,049 |
| All Other Expenses | $13,907 | $26,462 | $5,859 | $46,228 |
| Fees for Services Other | $8,208 | $21,986 | $2,583 | $32,777 |
| Payroll Taxes | $19,660 | $4,934 | $6,189 | $30,783 |
| Occupancy | $20,278 | $8,637 | $840 | $29,755 |
| Information Technology | - | $10,188 | - | $10,188 |
| Other Expenses | $7,146 | $962 | $983 | $9,091 |
| Insurance | $6,629 | - | $449 | $7,078 |
| Fees for Services Professional Fundraising | - | - | $4,250 | $4,250 |
| Travel | $3,268 | $500 | - | $3,768 |
| Advertising | - | $942 | - | $942 |
| Total Functional Expenses | $431,580 | $269,571 | $133,885 | $835,036 |
| Line Item | Amount |
|---|---|
| Expenses per Audited Statements | $835,036 |
| Total Expenses per Audited Statements | $835,036 |
| Total Expenses per Form 990 | $835,036 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $4,250 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“Family relationship: john mitchell(board member) and brian hirrel(board member) are cousins.”
“The 990 is reviewed by the board of directors before the 990 is filed.”
“Directors, officers, and committee members are required to complete the organization's conflicts of interest disclosure statement annually. Potential conflict of interest is discussed by the board and documented in the board minutes. The failure of a director, officer, or committee member to disclose a material interest shall be investigated and appropriate action shall be taken by the board.”
“No documents available to the public.”
“Transfer of endowment funds to the organization = $8790722”
“Transfer of inventory to the organization = $173634”
“Transfer of operating funds to the organization = $701631”
“The Gamble House Conservancy (the Conservancy) is a nonprofit public benefit corporation established in 2019 to protect and preserve the property known as the Gamble House in perpetuity to nationally recognized standards of conservation and to oversee the operations of the Gamble House as an historic site, a house museum, and the most complete and best-preserved work of American Arts & Crafts architects, Charles & Henry Greene, thereby cultivating the publics support for and understanding the importance of its continued preservation.”
“Endowment accounts were established to benefit the organization:1. Gamble house endowment (undesignated)2. Gamble house curator endowment - salary, benefits, direct expenses of the curator3. James n. Gamble director endowment - salary, benefits, direct expenses of executive director and chief executive officer4. Sidney d. Gamble lecture series endowment - expenses of the annual lecture series5. Thorsen furniture preservation endowment - conservation and display of furniture6. Junior docent training7. Docent training8. Greene garden endowment”
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 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 56027 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 72727 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO PROTECT, PRESERVE, AND OVERSEE THE OPERATIONS OF THE PROPERTY KNOWN AS THE GAMBLE HOUSE AS AN HISTORIC SITE, A HOUSE MUSEUM, AND THE MOST COMPLETE AND BEST-PRESERVED WORK OF AMERICAN ARTS & CRAFTS ARCHITECTS, CHARLES & HENRY GREENE |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 942 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 942 |
| IRS990/AllOtherContributionsAmt | 0 | 708159 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 5859 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 26462 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 13907 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 46228 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | ANN HYATT |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6267933334 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 4 WESTMORELAND PLACE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | PASADENA |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 91103 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 103812 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 410341 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | true |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 26357 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 19767 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 85659 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 131783 |
| 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 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CostOfGoodsSoldAmt | 0 | 60814 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 836267 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 432086 |
| IRS990/CYOtherExpensesAmt | 0 | 310081 |
| IRS990/CYOtherRevenueAmt | 0 | 33283 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 85960 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 552560 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 520705 |
| IRS990/CYTotalExpensesAmt | 0 | 835036 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 133885 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 4250 |
| IRS990/CYTotalRevenueAmt | 0 | 1387596 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | true |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | PROVIDING PUBLIC ACCESS AND EDUCATIONAL PROGRAMMING THAT INTERPRETS AND ENHANCES THE PUBLIC'S UNDERSTANDING OF THE GAMBLE HOUSE WHICH IS ACHIEVED BY OFFERING TOURS OF THE GAMBLE HOUSE TO THE PUBLIC |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 3573681 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 7 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 431580 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 48049 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 48049 |
| IRS990/FeesForServicesLegalGrp/FundraisingAmt | 0 | 2400 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 71513 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 73913 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 2583 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 21986 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 8208 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 32777 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 4250 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 4250 |
| 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/AverageHoursPerWeekRt | 0 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| 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/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 | 7083 |
| 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/PersonNm | 0 | EDWARD R BOSLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DAVID BROWN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | CHERYL FOLIART |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BRIAN HIRREL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ANN HYATT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | STEVE MCLEOD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | NANCY MARINO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JOHN MITCHELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | SUSAN NIX |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | VICTOR REGNIER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | CHARLES RENNIE III |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 124700 |
| 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/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/TitleTxt | 0 | CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | BOARD MEMBER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2019 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 46352 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GovernmentGrantsAmt | 0 | 123020 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 634441 |
| IRS990/GrossReceiptsAmt | 0 | 2036499 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 94097 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 10 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 10188 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 10188 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 449 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 6629 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7078 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 173634 |
| IRS990/InvestmentExpenseAmt | 0 | -28763 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 385734 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 385734 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 8 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 588089 |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembershipDuesAmt | 0 | 5088 |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | TO PROTECT AND PRESERVE THE PROPERTY KNOWN AS THE GAMBLE HOUSE IN PERPETUITY TO NATIONALLY RECOGNIZED STANDARDS OF CONSERVATION AND TO OVERSEE THE OPERATIONS OF THE GAMBLE HOUSE AS AN HISTORIC SITE, A HOUSE MUSEUM, AND THE MOST COMPLETE AND BEST-PRESERVED WORK OF AMERICAN ARTS & CRAFTS ARCHITECTS, CHARLES & HENRY GREENE, THEREBY CULTIVATING THE PUBLIC'S SUPPORT FOR AND UNDERSTANDING THE IMPORTANCE OF ITS CONTINUED PRESERVATION. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 60948 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 10936872 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 46352 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 46352 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 33283 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 33283 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 686140 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 60948 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 7363191 |
| IRS990/NoncashContributionsAmt | 0 | 106530 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 840 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 8637 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 20278 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 29755 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 10270140 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 9665987 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 18208 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 13023 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 57842 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 89073 |
| IRS990/OtherExpensesGrp/Desc | 0 | STORAGE |
| IRS990/OtherExpensesGrp/Desc | 1 | COMMUNICATIONS |
| IRS990/OtherExpensesGrp/Desc | 2 | Postage and Shipping |
| IRS990/OtherExpensesGrp/Desc | 3 | Processing fees |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 1219 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 9061 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 983 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 3253 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 436 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 962 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 28045 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 6278 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 7146 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 28045 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 10750 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 9497 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 9091 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 55487 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 38919 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 174660 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 269066 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 6189 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 4934 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 19660 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 30783 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 3159 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 3945 |
| IRS990/PrincipalOfficerNm | 0 | DAVID BROWN |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TOUR FEES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 85960 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 85960 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 288333 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 4 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 87394 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 20745 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 60948 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 160740 |
| IRS990/PYTotalExpensesAmt | 0 | 248134 |
| IRS990/PYTotalRevenueAmt | 0 | 309082 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 552560 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | true |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 85960 |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 10004 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 151539 |
| IRS990ScheduleA/First5Years170Ind | 0 | X |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 836267 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 288333 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 1124600 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 432086 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 4 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 432090 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.00000 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 843762 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 280838 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft170Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 836267 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 288333 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 1124600 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1556690 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 0 |
| 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 |
| IRS990ScheduleD/BoardDesignatedBalanceEOYPct | 0 | 0.63000 |
| IRS990ScheduleD/CYEndwmtFundGrp/ContributionsAmt | 0 | 8804061 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 9634694 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 1061419 |
| IRS990ScheduleD/CYEndwmtFundGrp/OtherExpendituresAmt | 0 | -230786 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | false |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | false |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 835036 |
| IRS990ScheduleD/InvestmentExpensesNotIncldAmt | 0 | 28763 |
| IRS990ScheduleD/NetUnrealizedGainsInvstAmt | 0 | 686140 |
| IRS990ScheduleD/RelatedOrgListSchRInd | 0 | false |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 686140 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 28763 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 1358833 |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | false |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | The Gamble House Conservancy (the Conservancy) is a nonprofit public benefit corporation established in 2019 to protect and preserve the property known as the Gamble House in perpetuity to nationally recognized standards of conservation and to oversee the operations of the Gamble House as an historic site, a house museum, and the most complete and best-preserved work of American Arts & Crafts architects, Charles & Henry Greene, thereby cultivating the publics support for and understanding the importance of its continued preservation. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | ENDOWMENT ACCOUNTS WERE ESTABLISHED TO BENEFIT THE ORGANIZATION:1. GAMBLE HOUSE ENDOWMENT (UNDESIGNATED)2. GAMBLE HOUSE CURATOR ENDOWMENT - SALARY, BENEFITS, DIRECT EXPENSES OF THE CURATOR3. JAMES N. GAMBLE DIRECTOR ENDOWMENT - SALARY, BENEFITS, DIRECT EXPENSES OF EXECUTIVE DIRECTOR AND CHIEF EXECUTIVE OFFICER4. SIDNEY D. GAMBLE LECTURE SERIES ENDOWMENT - EXPENSES OF THE ANNUAL LECTURE SERIES5. THORSEN FURNITURE PRESERVATION ENDOWMENT - CONSERVATION AND DISPLAY OF FURNITURE6. JUNIOR DOCENT TRAINING7. DOCENT TRAINING8. GREENE GARDEN ENDOWMENT |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part III, Line 1a: If organization elected under SFAS 116 to not report are, historical treasures, o |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Part V, Line 4: Intended uses of the endowment fund. |
| IRS990ScheduleD/TermEndowmentBalanceEOYPct | 0 | 0.37000 |
| IRS990ScheduleD/TotalBookValueOtherAssetsAmt | 0 | 10270140 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 835036 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 1387596 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 2044973 |
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Displayed year
2020 • Form 990Detailed filing. Detailed filing data is available for this year.