Nonprofit · EIN 94-2578193
NORTHERN MARIPOSA COUNTY HISTORY CENTER
Tax-exempt · COULTERVILLE, CA 95311
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $230,232 | $68,914 | $161,318 | $786,943 | $1,535 | $785,408 |
| December 31, 2024 | 990 | $75,850 | $65,771 | $10,079 | $625,202 | $1,112 | $624,090 |
| December 31, 2023 | 990 | $53,071 | $46,961 | $6,110 | $614,239 | $227 | $614,012 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $178,111
- of which government grants
- $155,300
- Membership dues
- $935
- Program service revenue
- $0
- Investment income
- $32,699
- Net income from fundraising events
- $12,631
- Net income from sales of inventory
- $6,791
- Other revenue
- $19,422
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Other salaries and wages
- $13,224
- Salaries, compensation and benefits (total)
- $14,703
- Professional fundraising fees
- $0
- Accounting fees
- $564
- Depreciation
- $9,536
- Program services (functional)
- $68,914
Balance sheet and other
- Total assets, start of year
- $625,202
- Total assets, end of year
- $786,943
- Total liabilities, end of year
- $1,535
- Net assets, end of year
- $785,408
- Land, buildings and equipment
- $56,837
- Net assets without donor restrictions
- $412,408
- Net assets with donor restrictions
- $373,000
- Gross receipts
- $519,596
- Employees
- 0
- Year formed
- 1978
- 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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| LYNN BRESHEARS | President Trustee or director, Officer | 5 | $0 |
| DAWN HUSTON | Director Trustee or director | 5 | $0 |
| ERICA WOLFSEN | Vice President Trustee or director, Officer | 5 | $0 |
| JO MOTTOA-OWEN | Director Trustee or director | 5 | $0 |
| HAYLEE AYERS | Director Trustee or director | 0 | $0 |
| DYANNE LOYOLA | Treasurer Officer | 5 | $0 |
990 for the year ended December 31, 2024: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLOW POLSON | President Trustee or director, Officer | 5 | $0 |
| LYNN BRESHEARS | Vice President Trustee or director, Officer | 5 | $0 |
| ANDREW HOTY | Secretary Trustee or director, Officer | 5 | $0 |
| DAWN HUSTON | Director Trustee or director | 5 | $0 |
| ERICA WOLFSEN | Director Trustee or director | 5 | $0 |
| JO MOTTOA-OWEN | Director Trustee or director | 5 | $0 |
| HAYLEE AYERS | Director Trustee or director | 0 | $0 |
| AMBER ALLEN | Director Trustee or director | 0 | $0 |
| ERICA WOLFSEN | Director Trustee or director | 0 | $0 |
| JO MOTTA-OWEN | Director Trustee or director | 0 | $0 |
| LONNY BALTZ | Director Trustee or director | 0 | $0 |
| DYANNE LOYOLA | Treasurer Officer | 5 | $0 |
990 for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLOW POLSON | President Trustee or director, Officer | 5 | $0 |
| LYNN BRESHEARS | Vice President Trustee or director, Officer | 5 | $0 |
| ANDREW HOYT | Secretary Trustee or director, Officer | 5 | $0 |
| DAWN HUSTON | Director Trustee or director | 5 | $0 |
| ERICA WOLFSEN | Director Trustee or director | 5 | $0 |
| JO MOTTA-OWEN | Director Trustee or director | 5 | $0 |
| DYANNE LOYOLA | Treasurer Officer | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 10301 STATE HIGHWAY 49, COULTERVILLE, CA 95311-9758
- Mailing address (990-N for 2017)
- 10301 HWY 49, COULTERVILLE CA 95311
- Principal officer (990 for 2025)
- DYANNE LOYOLA, 10301 HWY 49, COULTERVILLE, CA 95311
- Principal officer (990-N for 2017)
- MaryAnn Huff, 10301 Hwy 49, Coulterville CA 95311
- Signed the 990
- DYANNE LOYOLA, Treasurer
- Phone
- (209) 768-0443
- Return prepared by
- WM J KOENIG INC
California records
California keeps its own records of charities and corporations. Search them by EIN 94-2578193 or by the name NORTHERN MARIPOSA COUNTY HISTORY CENTER.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
PROVIDES AND OPERATES A LOCAL HISTORY MUSEUM.
Program accomplishments
- OWNERSHIP AND OPERATION OF A HISTORY MUSEUM IN COULTERVILLE, CALIFORNIA. PUBLISHES A QUARTERLY NEWSLETTER. DOCENT ACTIVITIES. APPROXIMATELY 5,000 VISITORS ANNUALLY.Expenses $68,914 · grants $155,300
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 94-2578193
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1979
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A540)
- Assets (IRS master file)
- $786,943
- Income (IRS master file)
- $519,596
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $230,232 | $68,914 | $786,943 | XML |
| 990 | December 2024 | $75,850 | $65,771 | $625,202 | XML |
| 990 | December 2023 | $53,071 | $46,961 | $614,239 | XML |
| 990 | December 2022 | $39,775 | $55,782 | $559,047 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990-N for 2017 Officer: MaryAnn Huff | December 31, 2017 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990 | December 2017 | – | – | – | 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 94-2578193).
Questions about NORTHERN MARIPOSA COUNTY HISTORY CENTER
- What is the EIN of NORTHERN MARIPOSA COUNTY HISTORY CENTER?
- The employer identification number (EIN) of NORTHERN MARIPOSA COUNTY HISTORY CENTER is 94-2578193.
- Is NORTHERN MARIPOSA COUNTY HISTORY CENTER tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1979.
- Are donations to NORTHERN MARIPOSA COUNTY HISTORY CENTER tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does NORTHERN MARIPOSA COUNTY HISTORY CENTER 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 NORTHERN MARIPOSA COUNTY HISTORY CENTER 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 NORTHERN MARIPOSA COUNTY HISTORY CENTER 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 NORTHERN MARIPOSA COUNTY HISTORY CENTER?
- The 990 for the year ended December 31, 2025 names DYANNE LOYOLA.
- Who are the officers and directors of NORTHERN MARIPOSA COUNTY HISTORY CENTER?
- The 990 for the year ended December 31, 2025 lists 6 people; 0 received compensation from the organization.
- How much revenue does NORTHERN MARIPOSA COUNTY HISTORY CENTER have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $230,232, expenses of $68,914 and total assets of $786,943 at year end.
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All nonprofits in COULTERVILLE · California · Arts, culture and humanities