Civic Intelligence

Malibu Adamson House Foundation

EIN 95-3713087 • 501(c)3 • Malibu, CA

Profile

Support the educational and interpretive activities for the malibu museum and to raise funds for the restoration, repair and preservation of this historical site.

PO Box 291Malibu, CA 90265

adamsonhouse.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

18th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Liabilities / Revenue

19th percentile

0.00x

Tied with the lowest-debt nonprofits in its peer group.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Net Margin

97th percentile

88%

Higher net margin than 97% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Source year 2024

Top Officer Pay

Score unavailable

No value available

No filing with officer rows is available for this organization yet.

Asset Growth

89th percentile

45%

Faster asset growth than 89% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Revenue Growth

98th percentile

357%

Faster revenue growth than 98% of similar nonprofits.

501(c)3 • $1M-$5M nonprofits • Annualized from 2023 to 2024

Balance Sheet
Liabilities / Assets18th percentile

Assets

Up

$1,479,690

Up $460,481 (+45%) from 2023

Liabilities

Flat

$0

Flat from 2023

Net Assets

Up

$1,479,690

Up $460,481 (+45%) from 2023

Operations
Liabilities / Revenue19th percentileNet Margin97th percentile

Revenue

Up

$464,893

Up $363,198 (+357%) from 2023

Expenses

Up

$57,459

Up $33,960 (+145%) from 2023

Net Income

Up

$407,434

Up $329,238 (+421%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth89th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$1.5M$1.0M$500K$0Assets 2011: $591,917Liabilities 2011: $0Net Assets 2011: $591,9172011Assets 2012: $621,788Liabilities 2012: $0Net Assets 2012: $621,7882012Assets 2013: $683,317Liabilities 2013: $0Net Assets 2013: $683,3172013Assets 2014: $771,819Liabilities 2014: $0Net Assets 2014: $771,8192014Assets 2015: $792,748Liabilities 2015: $0Net Assets 2015: $792,7482015Assets 2016: $837,127Liabilities 2016: $0Net Assets 2016: $837,1272016Assets 2017: $886,115Liabilities 2017: $0Net Assets 2017: $886,1152017Assets 2018: $913,645Liabilities 2018: $0Net Assets 2018: $913,6452018Assets 2019: $1,009,966Liabilities 2019: $0Net Assets 2019: $1,009,9662019Assets 2020: $1,081,780Liabilities 2020: $0Net Assets 2020: $1,081,7802020Assets 2021: $1,042,266Liabilities 2021: $0Net Assets 2021: $1,042,2662021Assets 2022: $957,338Liabilities 2022: $0Net Assets 2022: $957,3382022Assets 2023: $1,019,209Liabilities 2023: $0Net Assets 2023: $1,019,2092023Assets 2024: $1,479,690Liabilities 2024: $0Net Assets 2024: $1,479,6902024

Highlighted filing

2024

Assets$1,479,690
Liabilities$0
Net Assets$1,479,690
Open 2024 Filing

Operations Trend

Revenue Growth98th percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$600K$400K$200K$0Revenue 2011: $87,486Expenses 2011: $50,553Net Income 2011: $36,9332011Revenue 2012: $105,231Expenses 2012: $75,360Net Income 2012: $29,8712012Revenue 2013: $98,360Expenses 2013: $36,831Net Income 2013: $61,5292013Revenue 2014: $131,777Expenses 2014: $43,275Net Income 2014: $88,5022014Revenue 2015: $52,989Expenses 2015: $32,060Net Income 2015: $20,9292015Revenue 2016: $79,332Expenses 2016: $34,953Net Income 2016: $44,3792016Revenue 2017: $88,523Expenses 2017: $39,535Net Income 2017: $48,9882017Revenue 2018: $99,218Expenses 2018: $71,688Net Income 2018: $27,5302018Revenue 2019: $148,933Expenses 2019: $52,612Net Income 2019: $96,3212019Revenue 2020: $94,992Expenses 2020: $23,178Net Income 2020: $71,8142020Revenue 2021: $107,373Expenses 2021: $95,139Net Income 2021: $12,2342021Revenue 2022: $145,903Expenses 2022: $19,895Net Income 2022: $126,0082022Revenue 2023: $101,695Expenses 2023: $23,499Net Income 2023: $78,1962023Revenue 2024: $464,893Expenses 2024: $57,459Net Income 2024: $407,4342024

Highlighted filing

2024

Revenue$464,893
Expenses$57,459
Net Income$407,434
Open 2024 Filing

Filings

Most recent year

2024 • Form 990Detailed filing. Detailed filing data is available for this year.

Open filing
Assets
$1,479,690
Liabilities
$0
Net assets
$1,479,690
Revenue
$464,893
Expenses
$57,459
Net income
$407,434
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$1.48$0.00$1.48$0.46$0.06$0.41
2023Detailed filing. Detailed filing data is available for this year.$1.02$0.00$1.02$0.10$0.02$0.08
2022Detailed filing. Detailed filing data is available for this year.$0.96$0.00$0.96$0.15$0.02$0.13
2021Detailed filing. Detailed filing data is available for this year.$1.04$0.00$1.04$0.11$0.10$0.01
2020Detailed filing. Detailed filing data is available for this year.$1.08$0.00$1.08$0.09$0.02$0.07
2019Summary only. Only limited summary data is available for this year.$1.01$0.00$1.01$0.15$0.05$0.10
2018Summary only. Only limited summary data is available for this year.$0.91$0.00$0.91$0.10$0.07$0.03
2017Summary only. Only limited summary data is available for this year.$0.89$0.00$0.89$0.09$0.04$0.05
2016Summary only. Only limited summary data is available for this year.$0.84$0.00$0.84$0.08$0.03$0.04
2015Summary only. Only limited summary data is available for this year.$0.79$0.00$0.79$0.05$0.03$0.02
2014Summary only. Only limited summary data is available for this year.$0.77$0.00$0.77$0.13$0.04$0.09
2013Summary only. Only limited summary data is available for this year.$0.68$0.00$0.68$0.10$0.04$0.06
2012Summary only. Only limited summary data is available for this year.$0.62$0.00$0.62$0.11$0.08$0.03
2011Summary only. Only limited summary data is available for this year.$0.59$0.00$0.59$0.09$0.05$0.04
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
May 2, 2025
Return Version
2024v5.1
Gross Receipts
$525,165
Mission and Program Overview

Mission

Support the eduational and interpretive activities for the malibu museum and to raise funds for the restoration, repair and preservation of this historical site.

Support the educational and interpretive activities for the adamson house and to raise funds for the restoration, repair and preservation of malibu adamson house museum

Balance Sheet Detail
LineBeginningEndChange
Assets
Rtn Earn Endowment Incm Other Fnds$1,019,209$1,479,690▲ $460,481
Investments in Publicly Traded Securities$718,768$1,201,539▲ $482,771
Cash and Non-Interest-Bearing Accounts$300,441$278,151▼ $22,290
Pd in Cap Srpls Land Bldg Eqp Fund$0$0→ $0
Cap Stk Tr Prin Current Funds$0$0→ $0
Total Assets$1,019,209$1,479,690▲ $460,481
Liabilities
Total Liabilities$0$0→ $0
Net Assets / Fund Balance
Total Net Assets Fund Balance$1,019,209$1,479,690▲ $460,481
Total Liabilities and Net Assets / Fund Balance$1,019,209$1,479,690▲ $460,481
Compensation and Service Providers
Top Officer PayScore unavailable

Board Members and Trustees

NameTitle
John MazzaPresident
Nidra WingerVice President
Christine ConwayDirector
Jefferson WagnerDirector
Robby MazzaDirector-center Manager
Martha JuedeArchivist
Carol JacksonSecretary
Jules HershfeldTreasurer
Revenue and Support

Revenue Composition

Contributions and Grants
$372,407
Program Service Revenue
$23,558
Investment Income
$52,439
Other Revenue
$16,489
All Other Contributions
$5,557
Change in Net Assets
$407,434
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$57,459
Grants and Similar Amounts Paid$0
Professional Fundraising Fees$0
Salaries, Compensation, and Employee Benefits$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Information Technology$2,650--$2,650
Office Expenses$2,162$453-$2,615
Conferences and Meetings$1,623--$1,623
Other Expenses$6,210$1,393-$1,393
Insurance-$816-$816
Advertising$700--$700
Fees for Services Accounting-$320-$320
All Other Expenses-$100-$100
Total Functional Expenses$53,755$3,704$0$57,459
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Business relationship with 35% controlled entity
No
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
No
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
No
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, Line 2

“A husband and wife are board members.”

Form 990, Part VI, Section B, Line 11B

“Tax return is reviewed by board of directors prior to issuance to the irs”

Form 990, Part VI, Section C, Line 18

“Upon request through the foundation website”

Form 990, Part VI, Section C, Line 19

“Required information is posted to the foundation website”

Filing and Contact Details

Filer

Filer Name
Malibu Adamson House Foundation
EIN
95-3713087
Phone
8183097737
Address
PO BOX 291, MALIBU, CA 90265
Doing Business As
Malibu Lagoon Museum

Signing Officer

Name
Jules Hershfeld
Title
Treasurer
Phone
8183097737
Signed
2025-05-02

Organization Details

Principal Officer
Jules Hershfeld
Formed
1982
Legal Domicile
CA
Voting Board Members
8
Independent Board Members
8
Employees
0
Volunteers
8
Raw XML AppendixShowing 400 of 407 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/PYProgramServiceRevenueAmt022649
IRS990/PYRevenuesLessExpensesAmt078196
IRS990/PYSalariesCompEmpBnftPaidAmt00
IRS990/PYTotalExpensesAmt023499
IRS990/PYTotalProfFndrsngExpnsAmt00
IRS990/PYTotalRevenueAmt0101695
IRS990/QuidProQuoContributionsInd00
IRS990/RcvFndsToPayPrsnlBnftCntrctInd00
IRS990/ReconcilationRevenueExpnssAmt0407434
IRS990/RegularMonitoringEnfrcInd00
IRS990/RelatedEntityInd00
IRS990/RelatedOrganizationCtrlEntInd00
IRS990/ReportInvestmentsOtherSecInd00
IRS990/ReportLandBuildingEquipmentInd00
IRS990/ReportOtherAssetsInd00
IRS990/ReportOtherLiabilitiesInd00
IRS990/ReportProgramRelatedInvstInd00
IRS990/RevenueAmt016489
IRS990/RtnEarnEndowmentIncmOthFndsGrp/BOYAmt01019209
IRS990/RtnEarnEndowmentIncmOthFndsGrp/EOYAmt01479690
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt00
IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt0REALIZED GAINS - 2022 AMOUNT: $ 1,789.
IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc0SCHEDULE A, PART III, LINE 12, EXPLANATION OF OTHER INCOME:
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt0372407
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt016355
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt035731
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt017724
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt04295
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt0446512
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt052439
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt047930
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt047098
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt050038
IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt053807
IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt0251312
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt066894
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt067239
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt083812
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt023404
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt08096
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt0249445
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt052439
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt047930
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt047098
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt050038
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt053807
IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt0251312
IRS990ScheduleA/InvestmentIncomeCYPct00.26480
IRS990ScheduleA/InvestmentIncomePYPct00.39620
IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus2YearsAmt01789
IRS990ScheduleA/OtherIncome509Grp/TotalAmt01789
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportCY509Pct00.73330
IRS990ScheduleA/PublicSupportPY509Pct00.53030
IRS990ScheduleA/PublicSupportTotal509Amt0695957
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt00
IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt00
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind0X
IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt0439301
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt083594
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt0119543
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt041128
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt012391
IRS990ScheduleA/Total509Grp/TotalAmt0695957
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt0491740
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt0131524
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt0168430
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt091166
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt066198
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt0949058
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd01
IRS990/ScheduleJRequiredInd00
IRS990/ScheduleORequiredInd01
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0A HUSBAND AND WIFE ARE BOARD MEMBERS.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1TAX RETURN IS REVIEWED BY BOARD OF DIRECTORS PRIOR TO ISSUANCE TO THE IRS
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2UPON REQUEST THROUGH THE FOUNDATION WEBSITE
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3REQUIRED INFORMATION IS POSTED TO THE FOUNDATION WEBSITE
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0FORM 990, PART VI, SECTION A, LINE 2
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1FORM 990, PART VI, SECTION B, LINE 11B
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2FORM 990, PART VI, SECTION C, LINE 18
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3FORM 990, PART VI, SECTION C, LINE 19
IRS990/SchoolOperatingInd00
IRS990/SignificantChangeInd00
IRS990/SignificantNewProgramSrvcInd00
IRS990/StatesWhereCopyOfReturnIsFldCd0CA
IRS990/SubjectToExcsTaxNetInvstIncInd00
IRS990/SubjectToProxyTaxInd00
IRS990/SubjToTaxRmnrtnExPrchtPymtInd00
IRS990/TaxablePartyNotificationInd00
IRS990/TaxExemptBondsInd00
IRS990/TerminateOperationsInd00
IRS990/TotalAssetsBOYAmt01019209
IRS990/TotalAssetsEOYAmt01479690
IRS990/TotalAssetsGrp/BOYAmt01019209
IRS990/TotalAssetsGrp/EOYAmt01479690
IRS990/TotalCompGreaterThan150KInd00
IRS990/TotalContributionsAmt0372407
IRS990/TotalEmployeeCnt00
IRS990/TotalFunctionalExpensesGrp/FundraisingAmt00
IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt03704
IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt053755
IRS990/TotalFunctionalExpensesGrp/TotalAmt057459
IRS990/TotalGrossUBIAmt00
IRS990/TotalLiabilitiesBOYAmt00
IRS990/TotalLiabilitiesEOYAmt00
IRS990/TotalLiabilitiesGrp/BOYAmt00
IRS990/TotalLiabilitiesGrp/EOYAmt00
IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt01019209
IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt01479690
IRS990/TotalOtherCompensationAmt00
IRS990/TotalOtherProgSrvcExpenseAmt010483
IRS990/TotalOtherProgSrvcRevenueAmt0300
IRS990/TotalProgramServiceExpensesAmt053755
IRS990/TotalProgramServiceRevenueAmt023558
IRS990/TotalReportableCompFromOrgAmt00
IRS990/TotalRevenueGrp/ExclusionAmt052439
IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt040047
IRS990/TotalRevenueGrp/TotalRevenueColumnAmt0464893
IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt00
IRS990/TotalVolunteersCnt08
IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt01019209
IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt01479690
IRS990/TotReportableCompRltdOrgAmt00
IRS990/TrnsfrExmptNonChrtblRltdOrgInd00
IRS990/TypeOfOrganizationCorpInd0X
IRS990/UnrelatedBusIncmOverLimitInd00
IRS990/USAddress/AddressLine1Txt030004 TRAIL CREEK DR
IRS990/USAddress/CityNm0AGOURA HILLS
IRS990/USAddress/StateAbbreviationCd0CA
IRS990/USAddress/ZIPCd091301
IRS990/VotingMembersGoverningBodyCnt08
IRS990/VotingMembersIndependentCnt08
IRS990/WebsiteAddressTxt0ADAMSONHOUSE.ORG
IRS990/WhistleblowerPolicyInd01
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/PersonNm0JULES HERSHFELD
ReturnHeader/BusinessOfficerGrp/PersonTitleTxt0TREASURER
ReturnHeader/BusinessOfficerGrp/PhoneNum08183097737
ReturnHeader/BusinessOfficerGrp/SignatureDt02025-05-02
ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt0MALIBU ADAMSON HOUSE FOUNDATION
ReturnHeader/Filer/BusinessNameControlTxt0MALI
ReturnHeader/Filer/EIN0953713087
ReturnHeader/Filer/PhoneNum08183097737
ReturnHeader/Filer/USAddress/AddressLine1Txt0PO BOX 291
ReturnHeader/Filer/USAddress/CityNm0MALIBU
ReturnHeader/Filer/USAddress/StateAbbreviationCd0CA

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