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Nonprofit · EIN 94-2506626

MUSEUM OF SONOMA COUNTY

Tax-exempt · SANTA ROSA, CA 95401

Financials

$1.6M$1.3M2023$1.3M$1.5M2024
Revenue Expenses · by fiscal year end
Financials of MUSEUM OF SONOMA COUNTY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$1,329,801$1,497,328-$167,527$8,237,812$108,711$8,129,101
December 31, 2023990 (amended)$1,627,226$1,319,013$308,213$8,507,071$78,763$8,428,308
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$846,896
of which government grants
$62,308
Membership dues
$73,121
Program service revenue
$40,539
Investment income
$445,558
Net rental income
-$2,751
Net gain from sales of assets
$317,356
Net income from fundraising events
-$5,174
Net income from gaming
$2,700
Net income from sales of inventory
$2,033
Other revenue
-$3,192

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$113,256
Other salaries and wages
$508,115
Salaries, compensation and benefits (total)
$708,127
Professional fundraising fees
$21,000
Accounting fees
$103,475
Occupancy
$65,532
Travel
$3,993
Depreciation
$269,775
Program services (functional)
$836,455
Management and general (functional)
$450,501
Fundraising (functional)
$210,372

Balance sheet and other

Total assets, start of year
$8,507,071
Total assets, end of year
$8,237,812
Total liabilities, end of year
$108,711
Net assets, end of year
$8,129,101
Land, buildings and equipment
$2,323,246
Publicly traded securities
$4,562,929
Net assets without donor restrictions
$3,472,139
Net assets with donor restrictions
$4,656,962
Gross unrelated business income
$4,685
Gross receipts
$2,541,794
Employees
16
Volunteers
37
Year formed
1977
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, 2024, highest compensation first.

NameTitleHours / weekCompensation
JEFF NATHANSONEXECUTIVE DIRECTOR END 6/24
Officer
40$113,256
ESTELLE H ROGERSCHAIR
Trustee or director, Officer
10$0
MELANIE JONES-CARTERVICE-CHAIR
Trustee or director, Officer
10$0
HENRY BEAUMONTTREASURER
Trustee or director, Officer
10$0
MARGARET PURSERSECRETARY
Trustee or director, Officer
10$0
ANNE PETERSONDIRECTOR
Trustee or director
5$0
CHRIS MAZZIADIRECTOR END 6/24
Trustee or director
5$0
CHRIS NUGENTDIRECTOR
Trustee or director
10$0
DAVID SALMDIRECTOR
Trustee or director
5$0
DIANE SOSOSDIRECTOR END 5/24
Trustee or director
5$0
ERNESTO OLIVARESDIRECTOR END 3/24
Trustee or director
5$0
JENNIFER BURKEDIRECTOR START 11/24
Trustee or director
5$0
JEREMY NICHOLSDIRECTOR
Trustee or director
1$0
NANCY GLAZEDIRECTOR
Trustee or director
1$0
NANCY WANGDIRECTOR
Trustee or director
1$0
2 more people on this return
NameTitleHours / weekCompensation
NOREEN CARVOLTHDIRECTOR
Trustee or director
5$0
RICHARD TEMPERO DDS MDDIRECTOR
Trustee or director
5$0
990 for the year ended December 31, 2023: 18 people
NameTitleHours / weekCompensation
JEFF NATHANSONEXECUTIVE DIRECTOR
Officer
40$161,031
NANCY GLAZECHAIR
Trustee or director, Officer
18$0
HENRY BEAUMONTTREASURER
Trustee or director, Officer
3$0
ESTELLE H ROGERSSECRETARY
Trustee or director, Officer
5$0
NOREEN CARVOLTHDIRECTOR
Trustee or director
2$0
RAISSA DE LA ROSADIRECTOR
Trustee or director
1$0
CHRIS MAZZIADIRECTOR
Trustee or director
2.5$0
JEREMY NICHOLSDIRECTOR
Trustee or director
2$0
ERNESTO OLIVARESDIRECTOR
Trustee or director
1$0
STACI PASTISVICE-CHAIR - ENDED 10/1/23
Trustee or director, Officer
12$0
MARGARET PURSERDIRECTOR
Trustee or director
2$0
DAVID SALMDIRECTOR
Trustee or director
2$0
DIANE SOTOSDIRECTOR
Trustee or director
1.5$0
RICHARD TEMPERO DDS MDDIRECTOR
Trustee or director
2$0
NANCY WANGDIRECTOR
Trustee or director
1.5$0
CHRIS NUGENTBOARD MEMBER
Trustee or director
1.5$0
ANNE PETERSONBOARD MEMBER
Trustee or director
1.5$0
MELANIE JONES-CARTERVICE-CHAIR - AS OF 10/1/23
Trustee or director, Officer
3$0

Address and contacts

Address (IRS master file)
425 7TH ST, SANTA ROSA, CA 95401-5202
In care of
% JEFF NATHANSON
Principal officer (990 for 2024)
KAREN WISE, 425 SEVENTH STREET, SANTA ROSA, CA 95401
Signed the 990
KAREN WISE, EXECUTIVE DIRECTOR
Phone
(707) 579-1500
Return prepared by
DILLWOOD BURKEL & MILLAR LLP

California records

California keeps its own records of charities and corporations. Search them by EIN 94-2506626 or by the name MUSEUM OF SONOMA COUNTY.

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

Mission

THE MUSEUM OF SONOMA COUNTY ENGAGES AND INSPIRES OUR DIVERSE COMMUNITY WITH ART AND HISTORY EXHIBITIONS, COLLECTIONS, AND PUBLIC PROGRAMS THAT ARE INCLUSIVE, EDUCATIONAL, AND RELEVANT.

990 for the year ended December 31, 2024

Program accomplishments

  • THE MUSEUM OF SONOMA COUNTY (MSC), LOCATED IN DOWNTOWN SANTA ROSA, CA, PRESENTS EXHIBITIONS OF CONTEMPORARY ART AND REGIONAL HISTORY. IN 2024, THE MUSEUM WELCOMED MORE THAN 14,598 VISITORS. ITS EXTENSIVE COLLECTION OF HISTORICAL OBJECTS AND ARTWORK, WITH A PRIMARY FOCUS ON NORTHERN CALIFORNIA, PROVIDED THE FOUNDATION FOR EIGHT IN-PERSON EXHIBITIONS PRESENTED THROUGHOUT THE YEAR.
    Expenses $553,091 · revenue $32,851
  • THROUGH OUR ART4KIDS GRANTS PROGRAM, 2,075 STUDENTS AND CHAPERONES PARTICIPATED IN FREE SCHOOL TOURS WITH BUS REIMBURSEMENT. IN ADDITION, APPROXIMATELY 2,195 STUDENTS AND CHAPERONES RECEIVED DISCOUNTED TOUR ADMISSIONS.
    Expenses $163,531 · revenue $5,036
  • THE MUSEUM OF SONOMA COUNTY MAINTAINS A COLLECTION OF OVER 18,000 FINE ART AND HISTORICAL OBJECTS DOCUMENTING THE ARTISTIC AND CULTURAL HISTORY OF CALIFORNIA'S NORTH COAST. THE COLLECTION IS ACTIVELY MANAGED AS A PUBLIC RESOURCE THROUGH PROFESSIONAL PRESERVATION AND CONSERVATION PRACTICES THAT SAFEGUARD ARTWORKS AND ARTIFACTS WHEN NOT ON DISPLAY. THE MUSEUM ALSO PROVIDES RESTORATION AND CARE FOR OBJECTS IN THE COLLECTION TO ENSURE THEIR CONTINUED AVAILABILITY FOR FUTURE EXHIBITIONS, RESEARCH, AND EDUCATIONAL PROGRAMS. MAJOR FEATURES INCLUDE WORKS BY CHRISTO AND JEANNE-CLAUDE, 19TH CENTURY CALIFORNIA LANDSCAPE PAINTINGS, AND OTHER SIGNIFICANT ARTISTIC AND HISTORICAL MATERIALS THAT SUPPORT THE MUSEUM'S MISSION OF PRESERVING AND INTERPRETING REGIONAL HISTORY AND CULTURE.
    Expenses $119,833

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, 2026Check at the IRS
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
94-2506626
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
1978
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$7,653,273
Income (IRS master file)
$1,878,060

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$1,329,801$1,497,328$8,237,812IRS
990-TDecember 2024–––IRS
990December 2023$1,627,226$1,319,013$8,507,071XML
990-TDecember 2023–––IRS
990December 2022$1,204,897$1,443,373$7,216,282IRS
990-TDecember 2022–––IRS
990December 2021–––IRS
990-TDecember 2021–––IRS
990December 2020–––IRS
990-TDecember 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 94-2506626).

Questions about MUSEUM OF SONOMA COUNTY

What is the EIN of MUSEUM OF SONOMA COUNTY?
The employer identification number (EIN) of MUSEUM OF SONOMA COUNTY is 94-2506626.
Is MUSEUM OF SONOMA COUNTY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1978.
Are donations to MUSEUM OF SONOMA COUNTY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does MUSEUM OF SONOMA COUNTY 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 MUSEUM OF SONOMA COUNTY 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 MUSEUM OF SONOMA COUNTY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of MUSEUM OF SONOMA COUNTY?
The 990 for the year ended December 31, 2024 names KAREN WISE.
Who are the officers and directors of MUSEUM OF SONOMA COUNTY?
The 990 for the year ended December 31, 2024 lists 17 people; 1 received compensation from the organization, the highest $113,256 (JEFF NATHANSON, EXECUTIVE DIRECTOR END 6/24).
How much revenue does MUSEUM OF SONOMA COUNTY have?
On its 990 for the year ended December 31, 2024 it reported revenue of $1,329,801, expenses of $1,497,328 and total assets of $8,237,812 at year end.

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