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Nonprofit · EIN 33-0653905

OCEANSIDE MUSEUM OF ART

Tax-exempt · OCEANSIDE, CA 92054

Financials

$2.3M$2M2023$2.4M$2M2024$2.1M$1.9M2025
Revenue Expenses · by fiscal year end
Financials of OCEANSIDE MUSEUM OF ART by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$2,136,079$1,938,333$197,746$6,796,093$463,921$6,332,172
December 31, 2024990$2,439,958$2,007,746$432,212$6,523,458$434,810$6,088,648
December 31, 2023990$2,323,154$2,037,078$286,076$6,016,658$384,331$5,632,327
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$1,720,632
Membership dues
$193,804
Program service revenue
$243,053
Investment income
$24,482
Net rental income
$97,969
Net income from fundraising events
-$4,756
Net income from sales of inventory
$54,699
Other revenue
$147,912

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$365,350
Other salaries and wages
$320,543
Salaries, compensation and benefits (total)
$885,733
Professional fundraising fees
$0
Accounting fees
$14,000
Occupancy
$54,069
Travel
$6,176
Depreciation
$155,865
Program services (functional)
$1,414,077
Management and general (functional)
$276,580
Fundraising (functional)
$247,676

Balance sheet and other

Total assets, start of year
$6,523,458
Total assets, end of year
$6,796,093
Total liabilities, end of year
$463,921
Net assets, end of year
$6,332,172
Land, buildings and equipment
$4,406,438
Net assets without donor restrictions
$4,949,827
Net assets with donor restrictions
$1,382,345
Gross receipts
$2,225,181
Employees
31
Volunteers
662
Year formed
1998
State of legal domicile
CA

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
Maria MingaloneExecutive Director
Officer
40$159,314$17,869
Alexis CasertaFinancial Controller
Highest-paid employee
40$105,892$13,195
Sarah CathersDirector of Operations and Programs
Highest-paid employee
40$100,144$11,112
Marilyn AgredanoTrustee
Trustee or director
0.25$0$0
David ArnoldTrustee
Trustee or director
0.25$0$0
Helen FreyTreasurer
Trustee or director, Officer
0.25$0$0
Regina WilsonTrustee
Trustee or director
1$0$0
Paula DossTrustee
Trustee or director
1$0$0
Aaron ShebestTrustee
Trustee or director
1$0$0
Cadie Browne LeeTrustee
Trustee or director
0.25$0$0
Cathy CrowserVice President
Trustee or director, Officer
0.25$0$0
Allyson HandleyPresident
Trustee or director, Officer
1$0$0
Scott BrucknerSecretary
Trustee or director, Officer
1$0$0
990 for the year ended December 31, 2024: 11 people
NameTitleHours / weekCompensationOther / benefits
Maria MingaloneExecutive Director
Officer
40$163,973$26,371
Marilyn AgredanoTrustee
Trustee or director
0.25$0$0
David ArnoldTrustee
Trustee or director
0.25$0$0
Helen FreyTreasurer
Trustee or director, Officer
0.25$0$0
Regina WilsonTrustee
Trustee or director
1$0$0
Paula DossTrustee
Trustee or director
1$0$0
Aaron ShebestTrustee
Trustee or director
1$0$0
Cadie Browne LeeTrustee
Trustee or director
0.25$0$0
Cathy CrowserTrustee
Trustee or director
0.25$0$0
Allyson HandleyPresident
Trustee or director, Officer
1$0$0
Scott BrucknerSecretary
Trustee or director, Officer
1$0$0
990 for the year ended December 31, 2023: 21 people
NameTitleHours / weekCompensation
Maria MingaloneExecutive Director
Officer
40$181,047
Dorothy CheungCFO
Highest-paid employee
40$121,021
Sarah CathersDirector of Programs and Operations
Highest-paid employee
40$100,275
Marilyn AgredanoTrustee
Trustee or director
–$0
Pam SmithTreasurer
Trustee or director, Officer
1$0
Terri Peterson ZimdarsTrustee
Trustee or director
–$0
David ArnoldTrustee
Trustee or director
–$0
Jonathan FohrmanTrustee
Trustee or director
–$0
Kathleen Griffin HaidetTrustee
Trustee or director
–$0
Helen FreyTrustee
Trustee or director
–$0
Regina WilsonPresident
Trustee or director, Officer
1$0
Paula DossSecretary
Trustee or director, Officer
1$0
Ed ParishTrustee
Trustee or director
–$0
Aaron ShebestVice President
Trustee or director, Officer
1$0
Brian John MoralesTrustee
Trustee or director
–$0
Cadie Browne LeeTrustee
Trustee or director
–$0
Alan ZeleznikarTrustee
Trustee or director
–$0
Scott MadisonTrustee
Trustee or director
–$0
Cathy CrowserTrustee
Trustee or director
–$0
Allyson HandleyTrustee
Trustee or director
–$0
Christine LeeTrustee
Trustee or director
–$0

Address and contacts

Address (IRS master file)
704 PIER VIEW WAY, OCEANSIDE, CA 92054-2802
Principal officer (990 for 2025)
Maria Mingalone, 704 PIER VIEW WAY, OCEANSIDE, CA 92054
Signed the 990
Maria Mingalone, Executive Director
Phone
(760) 435-3720
Return prepared by
Munger & Company CPAs

California records

California keeps its own records of charities and corporations. Search them by EIN 33-0653905 or by the name OCEANSIDE MUSEUM OF ART.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

Mission

See Schedule O

990 for the year ended December 31, 2025

Program accomplishments

  • Oceanside Museum of Art OMA has three major focus areas include engaging exhibitions, impactful education, and championing regional artists. With hundreds of original works by Southern California artists in its permanent collection, and 10 to 15 changing exhibitions throughout the year, OMA is known along the cultural corridor between Los Angeles and the Baja Peninsula for vanguard exhibitions of national and international interest. OMA is the nexus of the arts and culture community in North County and generates 5M in annual economic impact on the regional economy. Over 30,000 visitors explore the museum and its programs annually through robust exhibitions, community-based events, adult artmaking classes, award winning youth arts education programs to combat Oceansides early childhood literacy crisis and arts integrated STEM programs, and a broad range of public humanities and cultural programming.
    Expenses $1,414,077 · revenue $243,053

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
33-0653905
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1997
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$6,796,093
Income (IRS master file)
$2,225,181

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$2,136,079$1,938,333$6,796,093XML
990December 2024$2,439,958$2,007,746$6,523,458XML
990December 2023$2,323,154$2,037,078$6,016,658XML
990December 2022$1,878,837$1,788,732$5,552,915IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 33-0653905).

Questions about OCEANSIDE MUSEUM OF ART

What is the EIN of OCEANSIDE MUSEUM OF ART?
The employer identification number (EIN) of OCEANSIDE MUSEUM OF ART is 33-0653905.
Is OCEANSIDE MUSEUM OF ART tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1997.
Are donations to OCEANSIDE MUSEUM OF ART tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does OCEANSIDE MUSEUM OF ART file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of OCEANSIDE MUSEUM OF ART due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OCEANSIDE MUSEUM OF ART last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of OCEANSIDE MUSEUM OF ART?
The 990 for the year ended December 31, 2025 names Maria Mingalone.
Who are the officers and directors of OCEANSIDE MUSEUM OF ART?
The 990 for the year ended December 31, 2025 lists 13 people; 3 received compensation from the organization, the highest $159,314 (Maria Mingalone, Executive Director).
How much revenue does OCEANSIDE MUSEUM OF ART have?
On its 990 for the year ended December 31, 2025 it reported revenue of $2,136,079, expenses of $1,938,333 and total assets of $6,796,093 at year end.

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