Nonprofit · EIN 27-1493661
MARE ISLAND HERITAGE TRUST
Tax-exempt · VALLEJO, CA 94590
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $8,050 | $17,754 | -$9,704 | $2,079 | $0 | $2,079 |
| December 31, 2024 | 990-EZ | $7,094 | $13,182 | -$6,088 | $11,783 | $0 | $11,783 |
| December 31, 2023 | 990-EZ | $34,574 | $33,552 | $1,022 | $17,871 | $0 | $17,871 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $1,154
- Program service revenue
- $6,896
- Investment income
- $0
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $1,400
- Professional fees and payments to contractors
- $538
- Printing, publications and postage
- $257
- Other expenses
- $15,559
- Program services (functional)
- $13,119
Balance sheet and other
- Total assets, start of year
- $11,783
- Total assets, end of year
- $2,079
- Total liabilities, end of year
- $0
- Net assets, end of year
- $2,079
- Cash, savings and investments
- $2,079
- Gross receipts
- $8,050
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-EZ for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MYRNA HAYES | PRESIDENT | 40 | $0 |
| BRIAN COLLETT | TREASURER | 1 | $0 |
| KATHY SKRIPEK | SECRETARY | 1 | $0 |
990-EZ for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MYRNA HAYES | PRESIDENT | 20 | $0 |
| BRIAN COLLETT | TREASURER | 1 | $0 |
| KATHY SKRIPEK | SECRETARY | 1 | $0 |
990-EZ for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MYRNA HAYES | PRESIDENT | 20 | $0 |
| BRIAN COLLETT | TREASURER | 1 | $0 |
| KATHY SKRIPEK | SECRETARY | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 816 BRANCIFORTE ST, VALLEJO, CA 94590-5017
- In care of
- % MYRNA HAYES
- Mailing address (990-N for 2015)
- 816 Branciforte Street, Vallejo CA 94590
- Principal officer (990-N for 2015)
- Myrna Hayes, 816 Branciforte Street, Vallejo CA 94590
- Signed the 990-EZ
- Myrna Hayes, President
- Phone
- (707) 656-7852
- Website
- www.mareislandpreserve.org
California records
California keeps its own records of charities and corporations. Search them by EIN 27-1493661 or by the name MARE ISLAND HERITAGE TRUST.
- 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
TO MAINTAIN AND PROMOTE OPEN SPACE, NATURE AND WILDLIFE EDUCATION, AND THE HISTORICAL AND NATURAL RESOURCES OF MARE ISLAND AND THE SURROUNDING BAY AREA COMMUNITIES, AND TO ADVOCATE FOR WILD LANDS PROTECTION AND PUBLIC ACCESS TO OPEN SPACE.
Program accomplishments
- NATURE EDUCATION, EVENTS, AND TOURS. FACILITATED NATURE EDUCATION THROUGH MARE ISLAND WILDLIFE AND NATURE CHARTER TOURS AND COMMUNITY NATURE EVENTS INCLUDING THE ANNUAL MARE FARE FESTIVAL AND SAN FRANCISCO BAY FLYWAY FESTIVAL.Expenses $6,378
- OPEN SPACE MANAGEMENT. THROUGH A CORPORATE SERVICE CONTRACT WE MAINTAIN THE TRAILS VEGETATION AND DAILY PUBLIC ACCESS TO SAN PABLO TRAIL ON MARE ISLAND.Expenses $6,741 · grants $6,896
What it must file and when
IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. 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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 27-1493661
- 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
- 2010
- Accounting year ends
- December
- Files
- Form 990-N (e-Postcard)
- Category (NTEE)
- Arts, culture and humanities (A80)
- Assets (IRS master file)
- $2,079
- Income (IRS master file)
- $8,050
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $8,050 | $17,754 | $2,079 | IRS |
| 990-EZ | December 2024 | $7,094 | $13,182 | $11,783 | IRS |
| 990-EZ | December 2023 | $34,574 | $33,552 | $17,871 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-EZ | December 2018 | – | – | – | IRS |
| 990-EZ | December 2017 | – | – | – | IRS |
| 990-EZ | December 2016 | – | – | – | IRS |
| 990-N for 2015 Officer: Myrna Hayes | December 31, 2015 | ≤ $50,000 receipts | – | – | e-Postcard |
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 27-1493661).
Questions about MARE ISLAND HERITAGE TRUST
- What is the EIN of MARE ISLAND HERITAGE TRUST?
- The employer identification number (EIN) of MARE ISLAND HERITAGE TRUST is 27-1493661.
- Is MARE ISLAND HERITAGE TRUST tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2010.
- Are donations to MARE ISLAND HERITAGE TRUST tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MARE ISLAND HERITAGE TRUST file?
- Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
- When is the next return of MARE ISLAND HERITAGE TRUST 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 MARE ISLAND HERITAGE TRUST last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who is the principal officer of MARE ISLAND HERITAGE TRUST?
- The 990-N for 2015 names Myrna Hayes.
- Who are the officers and directors of MARE ISLAND HERITAGE TRUST?
- The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does MARE ISLAND HERITAGE TRUST have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $8,050, expenses of $17,754 and total assets of $2,079 at year end.
Other nonprofits in VALLEJO
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- CASTRO ORGAN DEVOTEES ASSOCIATION EIN 46-1296958 · last filed 990 for 2025
- MARE ISLAND HISTORIC PARK FOUNDATIO N EIN 68-0352022 · last filed 990-EZ for 2025
- VALLEJO CHORAL SOCIETY EIN 80-0098806 · last filed 990-EZ for 2025
- WINSLOW HOUSE PROJECT EIN 33-4801672 · last filed 990-EZ for 2025
- LEGACIES OF THE PACIFIC EIN 83-3809361 · last filed 990-EZ for 2025
- VIRGIE GILES FOUNDATION EIN 90-1029249 · last filed 990-EZ for 2024
- CREATIVE ARTS COLLECTIVE EIN 47-4569198 · last filed 990-N for 2025
All nonprofits in VALLEJO · California · Arts, culture and humanities