MARIN OPEN STUDIOS: Form 990, tax year 2024

View the entire original 990 at ProPublica ↗

Organization: MARIN OPEN STUDIOS (EIN 45-3605193)
Tax period: 2024-01-01 to 2024-12-31
Filed: 2025-11-12
IRS object ID: 202523169349300222
Schema version: 2024v5.2
Source: Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header
Form 990
Schedule A
Schedule B
Schedule G
Schedule L
Schedule O

Return header ReturnHeader

Field	Value	IRS element (for citing)
Return	2025-11-12T06:08:53-08:00	ReturnTs
Tax Period End	2024-12-31	TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

Field	Value	IRS element (for citing)
Preparer Firm EIN	680095377	PreparerFirmEIN

Preparer Firm Name PreparerFirmName

Field	Value	IRS element (for citing)
Business Name Line1	Perotti & Carrade CPAs	BusinessNameLine1Txt

Preparer US Address PreparerUSAddress

Field	Value	IRS element (for citing)
Address Line1	1 McInnis Pkwy Ste 200	AddressLine1Txt
City	San Rafael	CityNm
State Abbreviation	CA	StateAbbreviationCd
ZIP	94903	ZIPCd

Field	Value	IRS element (for citing)
Return Type	990	ReturnTypeCd
Tax Period Begin	2024-01-01	TaxPeriodBeginDt

Filer Filer

Field	Value	IRS element (for citing)
EIN	453605193	EIN

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	MARIN OPEN STUDIOS	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Business Name Control	MARI	BusinessNameControlTxt
Phone	4158450665	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	PO BOX 2786	AddressLine1Txt
City	SAUSALITO	CityNm
State Abbreviation	CA	StateAbbreviationCd
ZIP	94966	ZIPCd

Business Officer BusinessOfficerGrp

Field	Value	IRS element (for citing)
Person	JOHN HELLMANN	PersonNm
Person Title	CFO/TREASURER	PersonTitleTxt
Signature	2025-11-12	SignatureDt
Discuss With Paid Preparer	Yes (true)	DiscussWithPaidPreparerInd

Field	Value	IRS element (for citing)
IRS Responsible Prty Info Curr	Yes (true)	IRSResponsiblePrtyInfoCurrInd

Preparer Person PreparerPersonGrp

Field	Value	IRS element (for citing)
Preparer Person	MARC SAMBORSKI	PreparerPersonNm
PTIN	P00100601	PTIN
Phone	4154618500	PhoneNum

Field	Value	IRS element (for citing)
Tax	2024	TaxYr
Build TS	2025-03-06 01:10:19Z	BuildTS

Form 990 IRS990

Field	Value	IRS element (for citing)
Principal Officer	JOHN HELLMANN	PrincipalOfficerNm

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	PO BOX 2786	AddressLine1Txt
City	SAUSALITO	CityNm
State Abbreviation	CA	StateAbbreviationCd
ZIP	94966	ZIPCd

Field	Value	IRS element (for citing)
Gross Receipts	$230,743	GrossReceiptsAmt
Group Return For Affiliates	false	GroupReturnForAffiliatesInd
Organization501c3	Yes (X)	Organization501c3Ind
Website Address	marinopenstudios.org	WebsiteAddressTxt
Type Of Organization Corp	Yes (X)	TypeOfOrganizationCorpInd
Formation	2011	FormationYr
Legal Domicile State	CA	LegalDomicileStateCd
Activity Or Mission	MARIN OPEN STUDIOS IS A NON-PROFIT VISUAL ARTS ORGANIZATION DEDICATED TO ENGAGING AND SUPPORTING MARIN COUNTY ARTISTS AND THEIR AUDIENCES THROUGH EVENTS, PROGRAMS AND SERVICES. MARIN OPEN STUDIOS CHAMPIONS A DIVERSE AND INCLUSIVE COMMUNITY ART EXPERIENCE PROVIDING ESTABLISHED AND EMERGING ARTISTS WITH DIRECT CONNECTIONS TO BAY AREA AUDIENCES AND ART PATRONS.	ActivityOrMissionDesc
Voting Members Governing Body	7	VotingMembersGoverningBodyCnt
Voting Members Independent	7	VotingMembersIndependentCnt
Total Employee	2	TotalEmployeeCnt
Total Volunteers	270	TotalVolunteersCnt
Total Gross UBI	$0	TotalGrossUBIAmt
PY Contributions Grants	$57,352	PYContributionsGrantsAmt
CY Contributions Grants	$87,868	CYContributionsGrantsAmt
PY Program Service Revenue	$106,612	PYProgramServiceRevenueAmt
CY Program Service Revenue	$115,433	CYProgramServiceRevenueAmt
CY Investment Income	$4,661	CYInvestmentIncomeAmt
CY Other Revenue	$4,557	CYOtherRevenueAmt
PY Total Revenue	$163,964	PYTotalRevenueAmt
CY Total Revenue	$212,519	CYTotalRevenueAmt
CY Grants And Similar Paid	$0	CYGrantsAndSimilarPaidAmt
CY Benefits Paid To Members	$0	CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid	$53,656	PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid	$66,056	CYSalariesCompEmpBnftPaidAmt
CY Total Prof Fndrsng Expns	$0	CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense	$0	CYTotalFundraisingExpenseAmt
PY Other Expenses	$88,105	PYOtherExpensesAmt
CY Other Expenses	$142,296	CYOtherExpensesAmt
PY Total Expenses	$141,761	PYTotalExpensesAmt
CY Total Expenses	$208,352	CYTotalExpensesAmt
PY Revenues Less Expenses	$22,203	PYRevenuesLessExpensesAmt
CY Revenues Less Expenses	$4,167	CYRevenuesLessExpensesAmt
Total Assets BOY	$135,353	TotalAssetsBOYAmt
Total Assets EOY	$138,807	TotalAssetsEOYAmt
Total Liabilities BOY	$713	TotalLiabilitiesBOYAmt
Total Liabilities EOY	$0	TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY	$134,640	NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY	$138,807	NetAssetsOrFundBalancesEOYAmt
Info In Schedule O Part III	Yes (X)	InfoInScheduleOPartIIIInd
Mission	MARIN OPEN STUDIOS IS A NON-PROFIT VISUAL ARTS ORGANIZATION DEDICATED TO ENGAGING AND SUPPORTING MARIN COUNTY ARTISTS AND THEIR AUDIENCES THROUGH EVENTS, PROGRAMS AND SERVICES. MARIN OPEN STUDIOS CHAMPIONS A DIVERSE AND INCLUSIVE COMMUNITY ART EXPERIENCE PROVIDING ESTABLISHED AND EMERGING ARTISTS WITH DIRECT CONNECTIONS TO BAY AREA AUDIENCES AND ART PATRONS.	MissionDesc
Significant New Program Srvc	false	SignificantNewProgramSrvcInd
Significant Change	false	SignificantChangeInd
Expense	$74,109	ExpenseAmt
Revenue	$29,966	RevenueAmt
Desc	AN ARTIST GUIDE FOR THE OPEN STUDIOS EVENT IS PRINTED TO LIST THE LOCATION OF EACH OPEN STUDIO, TO SHOW AN EXAMPLE OF THE ARTIST'S WORK, AND OFFER MAPS TO FIND THE STUDIOS. THE PRINTING OF THE GUIDE IS PARTIALLY FUNDED BY SELLING ADVERTISEMENT SPACE IN THE GUIDE. THIS YEAR MARIN OPEN STUDIOS WAS INCLUDED IN MARIN MAGAZINE'S LOCAL GETAWAYS APP, FEATURING ALL PARTICIPATING ARTISTS.	Desc

Prog Srvc Accom Acty2 ProgSrvcAccomActy2Grp

Field	Value	IRS element (for citing)
Expense	$63,492	ExpenseAmt
Revenue	$72,700	RevenueAmt
Desc	MARIN OPEN STUDIOS OFFERS THE PUBLIC SELF-GUIDED TOURS OF THE STUDIOS OF MARIN COUNTY'S ARTISTS DURING THE FIRST TWO WEEKENDS OF MAY, WITH A LARGE GALLERY OPEN FOR ONE MONTH. THE EVENT INCLUDES AN EXHIBITION OF OVER 250 PARTICIPATING ARTISTS AT THE SAUSALITO CENTER FOR THE ARTS. AN ONLINE YEAR AROUND WEBSITE FEATURING ALL ARTISTS WITH THEIR INDIVIDUAL SEARCHABLE BIO PAGE, IMAGES, AND LINK TO THEIR WEBSITE IS OFFERED AT MARINOPENSTUDIOS.ORG.A PREVIEW GALA RECEPTION AT THE GALLERY IS ATTENDED BY OVER 800 ART LOVERS, GIVING THE PUBLIC THE OPPORTUNITY TO MEET ARTISTS AND SAMPLE THEIR ARTWORK. EACH YEAR APPROXIMATELY 30,000 RESIDENTS ARE DIRECTLY EXPOSED TO MARIN OPEN STUDIOS ARTISTS. A 40 PAGE ARTISTS' TOUR GUIDE WITH ENCLOSED MAPS IS DISTRIBUTED TO 35,000 RESIDENTS WITHIN MARIN MAGAZINE AND TO COUNTYWIDE VENUES, ALONG WITH COMPREHENSIVE PRINT, SOCIAL, AND DIGITAL MEDIA COVERAGE.MARIN OPEN STUDIOS OFFERS A SHARED EXHIBITION SPACE PROGRAM FOR ARTISTS WITHOUT STUDIOS, AND THIS YEAR THEY PARTNERED WITH TEN COUNTYWIDE VENUES TO BROADEN THE SUPPORT FOR A VARIETY OF ARTMAKING.	Desc

Prog Srvc Accom Acty3 ProgSrvcAccomActy3Grp

Field	Value	IRS element (for citing)
Expense	$8,620	ExpenseAmt
Revenue	$15,087	RevenueAmt
Desc	THE SHARED STUDIOS PROGRAM WAS EXPANDED TO TEN COMMUNITY PARTNERSHIPS, OFFERING MORE ARTISTS WITHOUT STUDIOS THE ABILITY TO JOIN MARIN OPEN STUDIOS AND GAIN EXPOSURE FOR THEIR ARTWORK AND CAREERS. MARIN OPEN STUDIOS PROVIDED ORGANIZATIONAL SUPPORT, VOLUNTEERS, AND SOCIAL MEDIA COVERAGE FOR THESE SITES.	Desc

Prog Srvc Accom Acty Other ProgSrvcAccomActyOtherGrp

Field	Value	IRS element (for citing)
Desc	DIVERSITY PROGRAMMARIN OPEN STUDIOS CONTINUES A COMMITMENT BEGUN IN 2019 TO INCLUDE DIVERSITY BY PARTNERING WITH CANAL ALLIANCE AND MARIN CITY ARTISTS. MARIN OPEN STUDIOS GIVES SCHOLARSHIPS AND ART SUPPLIES TO THE MARIN CITY ARTS AND CULTURE GALLERY AND ITS MEMBERS LED BY DIRECTOR OSHALLA DIANA MARCUS. THE CANAL ALLIANCE ARTISTS ALSO RECEIVE SCHOLARSHIPS IN ADDITION TO EXHIBIT SPACES AND AN OPENING RECEPTION.	Desc

Field	Value	IRS element (for citing)
Total Program Service Expenses	$146,221	TotalProgramServiceExpensesAmt
Described In Section501c3	Yes (true)	DescribedInSection501c3Ind
Schedule B Required	Yes (true)	ScheduleBRequiredInd
Political Campaign Acty	false	PoliticalCampaignActyInd
Lobbying Activities	false	LobbyingActivitiesInd
Subject To Proxy Tax	false	SubjectToProxyTaxInd
Donor Advised Fund	false	DonorAdvisedFundInd
Conservation Easements	false	ConservationEasementsInd
Collections Of Art	false	CollectionsOfArtInd
Credit Counseling	false	CreditCounselingInd
Donor Rstr Or Quasi Endowments	false	DonorRstrOrQuasiEndowmentsInd
Report Land Building Equipment	false	ReportLandBuildingEquipmentInd
Report Investments Other Sec	false	ReportInvestmentsOtherSecInd
Report Program Related Invst	false	ReportProgramRelatedInvstInd
Report Other Assets	false	ReportOtherAssetsInd
Report Other Liabilities	false	ReportOtherLiabilitiesInd
Include FIN48 Footnote	false	IncludeFIN48FootnoteInd
Independent Audit Fincl Stmt	false	IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt	false	ConsolidatedAuditFinclStmtInd
School Operating	false	SchoolOperatingInd
Foreign Office	false	ForeignOfficeInd
Foreign Activities	false	ForeignActivitiesInd
More Than5000 K To Org	false	MoreThan5000KToOrgInd
More Than5000 K To Individuals	false	MoreThan5000KToIndividualsInd
Professional Fundraising	false	ProfessionalFundraisingInd
Fundraising Activities	Yes (true)	FundraisingActivitiesInd
Gaming Activities	false	GamingActivitiesInd
Operate Hospital	false	OperateHospitalInd
Grants To Organizations	false	GrantsToOrganizationsInd
Grants To Individuals	false	GrantsToIndividualsInd
Schedule J Required	false	ScheduleJRequiredInd
Tax Exempt Bonds	false	TaxExemptBondsInd
Engaged In Excess Benefit Trans	false	EngagedInExcessBenefitTransInd
PY Excess Benefit Trans	false	PYExcessBenefitTransInd
Loan Outstanding	false	LoanOutstandingInd
Grant To Related Person	false	GrantToRelatedPersonInd
Business Rln With Org Mem	false	BusinessRlnWithOrgMemInd
Business Rln With Fam Mem	Yes (true)	BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent	false	BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri	false	DeductibleNonCashContriInd
Deductible Art Contribution	false	DeductibleArtContributionInd
Terminate Operations	false	TerminateOperationsInd
Partial Liquidation	false	PartialLiquidationInd
Disregarded Entity	false	DisregardedEntityInd
Related Entity	false	RelatedEntityInd
Related Organization Ctrl Ent	false	RelatedOrganizationCtrlEntInd
Trnsfr Exmpt Non Chrtbl Rltd Org	false	TrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted Prtshp	false	ActivitiesConductedPrtshpInd
Schedule O Required	Yes (true)	ScheduleORequiredInd
IRP Document	0	IRPDocumentCnt
IRP Document W2 G	0	IRPDocumentW2GCnt
Backup Wthld Compliance	false	BackupWthldComplianceInd
Employee	2	EmployeeCnt
Employment Tax Returns Filed	Yes (true)	EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over Limit	Yes (true)	UnrelatedBusIncmOverLimitInd
Form990 T Filed	Yes (true)	Form990TFiledInd
Foreign Financial Account	false	ForeignFinancialAccountInd
Prohibited Tax Shelter Trans	false	ProhibitedTaxShelterTransInd
Taxable Party Notification	false	TaxablePartyNotificationInd
Nondeductible Contributions	false	NondeductibleContributionsInd
Quid Pro Quo Contributions	false	QuidProQuoContributionsInd
Form8282 Property Disposed Of	false	Form8282PropertyDisposedOfInd
Form8282 Filed	0	Form8282FiledCnt
Rcv Fnds To Pay Prsnl Bnft Cntrct	false	RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct	false	PayPremiumsPrsnlBnftCntrctInd
Form8899 Filedind	false	Form8899Filedind
Form1098 C Filed	false	Form1098CFiledInd
Indoor Tanning Services	false	IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt	false	SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc	false	SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VI	Yes (X)	InfoInScheduleOPartVIInd
Governing Body Voting Members	7	GoverningBodyVotingMembersCnt
Independent Voting Member	7	IndependentVotingMemberCnt
Family Or Business Rln	false	FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties	false	DelegationOfMgmtDutiesInd
Change To Org Documents	false	ChangeToOrgDocumentsInd
Material Diversion Or Misuse	false	MaterialDiversionOrMisuseInd
Members Or Stockholders	false	MembersOrStockholdersInd
Election Of Board Members	false	ElectionOfBoardMembersInd
Decisions Subject To Approva	false	DecisionsSubjectToApprovaInd
Minutes Of Governing Body	Yes (true)	MinutesOfGoverningBodyInd
Minutes Of Committees	Yes (true)	MinutesOfCommitteesInd
Officer Mailing Address	false	OfficerMailingAddressInd
Local Chapters	false	LocalChaptersInd
Form990 Provided To Gvrn Body	Yes (true)	Form990ProvidedToGvrnBodyInd
Conflict Of Interest Policy	Yes (true)	ConflictOfInterestPolicyInd
Annual Disclosure Covered Prsn	Yes (true)	AnnualDisclosureCoveredPrsnInd
Regular Monitoring Enfrc	Yes (true)	RegularMonitoringEnfrcInd
Whistleblower Policy	false	WhistleblowerPolicyInd
Document Retention Policy	false	DocumentRetentionPolicyInd
Compensation Process CEO	Yes (true)	CompensationProcessCEOInd
Compensation Process Other	false	CompensationProcessOtherInd
Investment In Joint Venture	false	InvestmentInJointVentureInd
States Where Copy Of Return Is Fld	CA	StatesWhereCopyOfReturnIsFldCd
Upon Request	Yes (X)	UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Field	Value	IRS element (for citing)
Person	KAY CARLSON	PersonNm
Phone	4153435667	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	480 GATE 5 ROAD SUITE 331	AddressLine1Txt
City	SAUSALITO	CityNm
State Abbreviation	CA	StateAbbreviationCd
ZIP	94965	ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (12 entries)

TitleTitleTxt	Average Hours Per WeekAverageHoursPerWeekRt	Average Hours Per Week Rltd OrgAverageHoursPerWeekRltdOrgRt	Individual Trustee Or DirectorIndividualTrusteeOrDirectorInd	OfficerOfficerInd	Reportable Comp From OrgReportableCompFromOrgAmt	Reportable Comp From Rltd OrgReportableCompFromRltdOrgAmt	Other CompensationOtherCompensationAmt
KAY CARLSON
Executive Dir.	40.00	0.00	Yes (X)	Yes (X)	$52,507	$0	$0
JOHN HELLMANN
CFO/TREASURER	2.00	0.00	Yes (X)	Yes (X)	$0	$0	$0
STUART BASS
Director	2.00	0.00	Yes (X)		$0	$0	$0
JOE GRENN
Director	1.00	0.00	Yes (X)		$0	$0	$0
PHIL LEDDELL
Director	1.00	0.00	Yes (X)	Yes (X)	$0	$0	$0
TOMI HOLT
Director	10.00	0.00	Yes (X)		$0	$0	$0
MICHELLE THARP
Director	3.00	0.00	Yes (X)		$0	$0	$0
SHIVA PAKDEL
Director	1.00	0.00	Yes (X)		$0	$0	$0
SIOBAN SCANLON
Director	4.00	0.00	Yes (X)		$0	$0	$0
JONAH BURLINGAME
President & COB	3.00	0.00	Yes (X)		$0	$0	$0
KASSANDRA LEVETT
President	2.00	0.00	Yes (X)		$0	$0	$0
SABINE ALAM
Director	1.00	0.00	Yes (X)		$0	$0	$0

Field	Value	IRS element (for citing)
Total Reportable Comp From Org	$52,507	TotalReportableCompFromOrgAmt
Indiv Rcvd Greater Than100 K	0	IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed	false	FormerOfcrEmployeesListedInd
Total Comp Greater Than150 K	false	TotalCompGreaterThan150KInd
Compensation From Other Srcs	false	CompensationFromOtherSrcsInd
Cntrct Rcvd Greater Than100 K	0	CntrctRcvdGreaterThan100KCnt
All Other Contributions	$87,868	AllOtherContributionsAmt
Total Contributions	$87,868	TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (2 entries)

DescDesc	Total Revenue ColumnTotalRevenueColumnAmt	ExclusionExclusionAmt	BusinessBusinessCd	Related Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
GUIDE AD SALES	$29,966	$29,966
REGISTRATION & ARTIST FEE	$85,467		900099	$85,467

Field	Value	IRS element (for citing)
Total Program Service Revenue	$115,433	TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$4,661	TotalRevenueColumnAmt
Related Or Exempt Func Income	$4,661	RelatedOrExemptFuncIncomeAmt

Incm From Invest Bond Proceeds IncmFromInvestBondProceedsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Royalties Revenue RoyaltiesRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Net Rental Income Or Loss NetRentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Field	Value	IRS element (for citing)
Fundraising Gross Income	$22,781	FundraisingGrossIncomeAmt
Fundraising Direct Expenses	$18,224	FundraisingDirectExpensesAmt

Net Incm From Fundraising Evt NetIncmFromFundraisingEvtGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$4,557	TotalRevenueColumnAmt

Net Income From Gaming NetIncomeFromGamingGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Net Income Or Loss NetIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt

Field	Value	IRS element (for citing)
Other Revenue Total	$0	OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$212,519	TotalRevenueColumnAmt
Related Or Exempt Func Income	$90,128	RelatedOrExemptFuncIncomeAmt
Exclusion	$29,966	ExclusionAmt

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Grants To Domestic Individuals GrantsToDomesticIndividualsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Foreign Grants ForeignGrantsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Benefits To Members BenefitsToMembersGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

Field	Value	IRS element (for citing)
Total	$52,507	TotalAmt
Program Services	$26,254	ProgramServicesAmt
Management And General	$26,253	ManagementAndGeneralAmt

Comp Disqual Persons CompDisqualPersonsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

Field	Value	IRS element (for citing)
Total	$8,575	TotalAmt
Program Services	$4,288	ProgramServicesAmt
Management And General	$4,287	ManagementAndGeneralAmt

Pension Plan Contributions PensionPlanContributionsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Payroll Taxes PayrollTaxesGrp

Field	Value	IRS element (for citing)
Total	$4,974	TotalAmt
Program Services	$2,487	ProgramServicesAmt
Management And General	$2,487	ManagementAndGeneralAmt

Fees For Services Management FeesForServicesManagementGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Legal FeesForServicesLegalGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Accounting FeesForServicesAccountingGrp

Field	Value	IRS element (for citing)
Total	$4,035	TotalAmt
Management And General	$4,035	ManagementAndGeneralAmt

Fees For Services Lobbying FeesForServicesLobbyingGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Prof Fundraising FeesForServicesProfFundraising

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Srvc Invst Mgmnt Fees FeesForSrvcInvstMgmntFeesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Fees For Services Other FeesForServicesOtherGrp

Field	Value	IRS element (for citing)
Total	$13,907	TotalAmt
Program Services	$8,592	ProgramServicesAmt
Management And General	$5,315	ManagementAndGeneralAmt

Advertising AdvertisingGrp

Field	Value	IRS element (for citing)
Total	$74,109	TotalAmt
Program Services	$74,109	ProgramServicesAmt

Office Expenses OfficeExpensesGrp

Field	Value	IRS element (for citing)
Total	$723	TotalAmt
Management And General	$723	ManagementAndGeneralAmt

Information Technology InformationTechnologyGrp

Field	Value	IRS element (for citing)
Total	$33,521	TotalAmt
Program Services	$20,831	ProgramServicesAmt
Management And General	$12,690	ManagementAndGeneralAmt

Royalties RoyaltiesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Occupancy OccupancyGrp

Field	Value	IRS element (for citing)
Total	$922	TotalAmt
Management And General	$922	ManagementAndGeneralAmt

Travel TravelGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Pymt Travel Entrtnmnt Pub Ofcl PymtTravelEntrtnmntPubOfclGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Conferences Meetings ConferencesMeetingsGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Interest InterestGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Payments To Affiliates PaymentsToAffiliatesGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Depreciation Depletion DepreciationDepletionGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Insurance InsuranceGrp

Field	Value	IRS element (for citing)
Total	$3,158	TotalAmt
Management And General	$3,158	ManagementAndGeneralAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDesc	TotalTotalAmt	Program ServicesProgramServicesAmt	Management And GeneralManagementAndGeneralAmt
SATELLITE SHOWS	$8,620	$8,620
MEETINGS	$1,230		$1,230
Postage and Shipping	$1,040	$1,040
GENERAL AND ADMINISTRATION	$617		$617

All Other Expenses AllOtherExpensesGrp

Field	Value	IRS element (for citing)
Total	$414	TotalAmt
Management And General	$414	ManagementAndGeneralAmt

Total Functional Expenses TotalFunctionalExpensesGrp

Field	Value	IRS element (for citing)
Total	$208,352	TotalAmt
Program Services	$146,221	ProgramServicesAmt
Management And General	$62,131	ManagementAndGeneralAmt
Fundraising	$0	FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

Field	Value	IRS element (for citing)
BOY	$134,338	BOYAmt
EOY	$138,807	EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Accounts Receivable AccountsReceivableGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Receivables From Officers Etc ReceivablesFromOfficersEtcGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Rcvbl From Disqualified Prsn RcvblFromDisqualifiedPrsnGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Oth Notes Loans Receivable Net OthNotesLoansReceivableNetGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Inventories For Sale Or Use InventoriesForSaleOrUseGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

Field	Value	IRS element (for citing)
BOY	$1,015	BOYAmt
EOY	$0	EOYAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Investments Other Securities InvestmentsOtherSecuritiesGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Investments Program Related InvestmentsProgramRelatedGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Intangible Assets IntangibleAssetsGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Other Assets Total OtherAssetsTotalGrp

Field	Value	IRS element (for citing)
EOY	$0	EOYAmt

Total Assets TotalAssetsGrp

Field	Value	IRS element (for citing)
BOY	$135,353	BOYAmt
EOY	$138,807	EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

Field	Value	IRS element (for citing)
BOY	$713	BOYAmt

Total Liabilities TotalLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$713	BOYAmt
EOY	$0	EOYAmt

Field	Value	IRS element (for citing)
Organization Follows FASB117	Yes (X)	OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$134,640	BOYAmt
EOY	$138,807	EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$134,640	BOYAmt
EOY	$138,807	EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$135,353	BOYAmt
EOY	$138,807	EOYAmt

Field	Value	IRS element (for citing)
Reconcilation Revenue Expnss	$4,167	ReconcilationRevenueExpnssAmt
Method Of Accounting Cash	Yes (X)	MethodOfAccountingCashInd
Accountant Compile Or Review	false	AccountantCompileOrReviewInd
FS Audited	false	FSAuditedInd
Federal Grant Audit Required	false	FederalGrantAuditRequiredInd

Schedule A IRS990ScheduleA

Field	Value	IRS element (for citing)
Publicly Supported Org509a2	Yes (X)	PubliclySupportedOrg509a2Ind

Gifts Grants Contris Rcvd509 GiftsGrantsContrisRcvd509Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$156,811	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$52,689	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$85,532	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$51,621	CurrentTaxYearMinus1YearAmt
Current Tax Year	$87,868	CurrentTaxYearAmt
Total	$434,521	TotalAmt

Gross Receipts Admissions GrossReceiptsAdmissionsGrp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$3,103	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$65,889	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$108,609	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$112,343	CurrentTaxYearMinus1YearAmt
Current Tax Year	$138,214	CurrentTaxYearAmt
Total	$428,158	TotalAmt

Gross Receipts Non Unrlt Bus GrossReceiptsNonUnrltBusGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Tax Rev Levied Orgnztnl Bnft509 TaxRevLeviedOrgnztnlBnft509Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Govt Furn Srvc Fclts Vl509 GovtFurnSrvcFcltsVl509Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Total509 Total509Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$159,914	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$118,578	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$194,141	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$163,964	CurrentTaxYearMinus1YearAmt
Current Tax Year	$226,082	CurrentTaxYearAmt
Total	$862,679	TotalAmt

Amounts Rcvd Dsqlfy Person AmountsRcvdDsqlfyPersonGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Substantial Contributors Amt SubstantialContributorsAmtGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Field	Value	IRS element (for citing)
Public Support Total509	$862,679	PublicSupportTotal509Amt

Gross Investment Income509 GrossInvestmentIncome509Grp

Field	Value	IRS element (for citing)
Current Tax Year	$4,661	CurrentTaxYearAmt
Total	$4,661	TotalAmt

Post1975 UBTI Post1975UBTIGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Investment Income And UBTI InvestmentIncomeAndUBTIGrp

Field	Value	IRS element (for citing)
Current Tax Year	$4,661	CurrentTaxYearAmt
Total	$4,661	TotalAmt

Net Income From Other UBI NetIncomeFromOtherUBIGrp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Other Income509 OtherIncome509Grp

Field	Value	IRS element (for citing)
Total	$0	TotalAmt

Total Support Calendar Year TotalSupportCalendarYearGrp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$159,914	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$118,578	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$194,141	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$163,964	CurrentTaxYearMinus1YearAmt
Current Tax Year	$230,743	CurrentTaxYearAmt
Total	$867,340	TotalAmt

Field	Value	IRS element (for citing)
Public Support CY509	0.99460	PublicSupportCY509Pct
Public Support PY509	1.00000	PublicSupportPY509Pct
Investment Income CY	0.00540	InvestmentIncomeCYPct
Thirty Thr Pct Suprt Tests CY509	Yes (X)	ThirtyThrPctSuprtTestsCY509Ind

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

Field	Value	IRS element (for citing)
Contributor	RESTRICTED	ContributorNum

Contributor Business Name ContributorBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	RESTRICTED	BusinessNameLine1

Contributor US Address ContributorUSAddress

Field	Value	IRS element (for citing)
Address Line1	RESTRICTED	AddressLine1
Address Line2	RESTRICTED	AddressLine2
City	RESTRICTED	City
State	RESTRICTED	State
ZIP Code	RESTRICTED	ZIPCode

Field	Value	IRS element (for citing)
Total Contributions	RESTRICTED	TotalContributionsAmt

Schedule G IRS990ScheduleG

Field	Value	IRS element (for citing)
Special Fundraising Events	Yes (X)	SpecialFundraisingEventsInd
Agrmt Prof Fundraising Acty	false	AgrmtProfFundraisingActyInd

Fundraising Event Information FundraisingEventInformationGrp

Field	Value	IRS element (for citing)
Event1	PREVIEW GALA RECEPTION	Event1Nm
Gross Receipts Event1	$22,781	GrossReceiptsEvent1Amt
Gross Revenue Event1	$22,781	GrossRevenueEvent1Amt
Rent Facility Costs Event1	$4,922	RentFacilityCostsEvent1Amt
Food And Beverage Event1	$3,278	FoodAndBeverageEvent1Amt
Other Direct Expenses Event1	$10,024	OtherDirectExpensesEvent1Amt
Gross Receipts Total	$22,781	GrossReceiptsTotalAmt
Gross Revenue Total Events	$22,781	GrossRevenueTotalEventsAmt
Rent Fclty Costs Total Events	$4,922	RentFcltyCostsTotalEventsAmt
Food And Beverage Total Events	$3,278	FoodAndBeverageTotalEventsAmt
Oth Direct Expnss Total Events	$10,024	OthDirectExpnssTotalEventsAmt
Direct Expense Summary Events	$18,224	DirectExpenseSummaryEventsAmt
Net Income Summary	$4,557	NetIncomeSummaryAmt

Schedule L IRS990ScheduleL

Bus Tr Involve Interested Prsn BusTrInvolveInterestedPrsnGrp

Name Of Interested NameOfInterested

Field	Value	IRS element (for citing)
Person	DON MCCARTNEY	PersonNm

Field	Value	IRS element (for citing)
Relationship Description	HUSBAND	RelationshipDescriptionTxt
Transaction	$13,490	TransactionAmt
Transaction	TOUR GUIDE DESIGN	TransactionDesc
Sharing Of Revenues	false	SharingOfRevenuesInd

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	Schedule L, Part V Supplemental Information	FormAndLineReferenceDesc
Explanation	PAYMENTS MADE TO A RELATED PARTY:DON MCCARTNEY WHO IS THE HUSBAND OF KAY CARLSON, EXECUTIVE DIRECTOR, WAS PAID $13,490 FOR PROVIDING DESIGN AND PRINTING SERVICES	ExplanationTxt

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (4 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Form 990, Part VI, Section B, Line 11b	The Form 990 is reviewed by members of the Board of Directors and the Executive Director prior to filing.
Form 990, Part VI, Section B, Line 12c	Marin Open Studios regularly enforces and monitors its conflict of interest policy.
Form 990, Part VI, Section B, Line 15a	The Board of Directors reviewed the salary history of the Executive Director for the past three Fiscal years which had not been adjusted since 2019 to an annual salary of $40,000. In July 2022 the Board of Directors approved a total bonus of $12,000 for the Executive Director for Fiscal years 2019, 2020 and 2021. In addition the Board increased the Executive Directors salary from $40,000 per year to $44,000 effective July 1, 2022. SUBSEQUENTLY, THE BOARD OF DIRECTORS REVIEWED COMPETITIVE SALARIES, SOLICITED GUIDANCE FROM PRO BONO LEGAL FIRM ON CA EMPLOYEE LAWS, AND ALIGNED COMPENSATION WITH ANTICIPATED ACTIVITIES.IN 2024, THE BOARD OF DIRECTORS REVIEWED CALIFORNIA REQUIREMENTS FOR EXEMPT EMPLOYEES AND USED THIS AS BASIS. THE BOARD OF DIRECTORS FOUND OUT THAT THEY PAID LESS THAN CALIFORNIA REQUIREMENT AND ADJUSTMENTS WERE MADE IN 2025.
Form 990, Part VI, Section C, Line 19	The governing documents and financial statements of the organization are made available upon request.