Liabilities / Assets
60th percentile
Tied with the lowest-debt nonprofits in its peer group.
Mare Island Heritage Trust
EIN 27-1493661 • 501(c)3 • Vallejo, CA
Profile
To 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.
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
0.00x
Liabilities / Revenue
62nd percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
10th percentile
Higher net margin than 10% of similar nonprofits.
Top Officer Pay
81st percentile
Higher top officer pay than 81% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
25th percentile
Faster asset growth than 25% of similar nonprofits.
Revenue Growth
10th percentile
Faster revenue growth than 10% of similar nonprofits.
Balance Sheet
Assets
Down$11,783
Down $6,088 (-34%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Down$11,783
Down $6,088 (-34%) from 2023
Revenue
Down$7,094
Down $27,480 (-79%) from 2023
Expenses
Down$13,182
Down $20,370 (-61%) from 2023
Net Income
Down-$6,088
Down $7,110 (-696%) from 2023
Trend Graphs
Filings
Most recent year
2024 • Form 990EZDetailed filing. Detailed filing data is available for this year.
- Assets
- $11,783
- Liabilities
- $0
- Net assets
- $11,783
- Revenue
- $7,094
- Expenses
- $13,182
- Net income
- -$6,088
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jan 1, 2024 to Dec 31, 2024
- Signed
- May 15, 2025
- Return Version
- 2024v5.0
- Gross Receipts
- $7,094
Mission and Program Overview
Mission
To protect, preserve, restore, and manage the mare island preserve as a protected nature preserve and facilitate its use for public recreation. To promote open space, nature and wildlife education and the historical and natural resources of mare island.
To 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 Services
| Description | Grants | Expenses |
|---|---|---|
| OPEN SPACE MANAGEMENT. THROUGH A CORPORATE SERVICE CONTRACT WE MAINTAIN THE TRAILS VEGETATION AND DAILY PUBLIC ACCESS TO SAN PABLO TRAIL ON MARE ISLAND. | $5,000 | $5,756 |
| 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. | $1,653 | $2,587 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| MYRNA HAYES | President | PT | $0 | - | - |
| BRIAN COLLETT | Treasurer | - | $0 | - | - |
| KATHY SKRIPEK | Secretary | - | $0 | - | - |
Filing and Contact Details
Filer
- Filer Name
- Mare Island Heritage Trust
- EIN
- 27-1493661
- Phone
- 7076567852
- Address
- 816 BRANCIFORTE STREET, VALLEJO, CA 94590
Signing Officer
- Name
- Myrna Hayes
- Title
- President
- Phone
- 7072499633
- Signed
- 2025-05-15
Supplemental Narrative
Additional Explanations
Form 990-EZ, Part I, Line 16
“Description;Amount^OFFICE EXPENSES;2555|PROGRAMS FUEL FOR VEHICLES MOWERS;546|PROGRAMS EQUIP MAINTENANCE REPAIRS;30|PROGRAMS REGISTRATIONS FIRE PERMITS;25|PROGRAMS LIABILITY INSURANCE;3137|PROGRAMS WASTE AND PORTABLE SANITATION;2018|PROGRAM MATERIALS AND SUPPLIES;1498|PROGRAM FOOD AND BEV;90|PROGRAM TEMP EVENT STAFF;1000|ADMIN TRAVEL EXPENSES;500^Total;11399^”
Raw XML Appendix189 raw XML fields
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
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| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 363 |
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| IRS990EZ/TanningServicesProvidedInd | 0 | 0 |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Description;Amount^OFFICE EXPENSES;2555|PROGRAMS FUEL FOR VEHICLES MOWERS;546|PROGRAMS EQUIP MAINTENANCE REPAIRS;30|PROGRAMS REGISTRATIONS FIRE PERMITS;25|PROGRAMS LIABILITY INSURANCE;3137|PROGRAMS WASTE AND PORTABLE SANITATION;2018|PROGRAM MATERIALS AND SUPPLIES;1498|PROGRAM FOOD AND BEV;90|PROGRAM TEMP EVENT STAFF;1000|ADMIN TRAVEL EXPENSES;500^Total;11399^ |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990-EZ, Part I, Line 16 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Myrna Hayes |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | President |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 7072499633 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-05-15 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | MARE ISLAND HERITAGE TRUST |
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| ReturnHeader/Filer/EIN | 0 | 271493661 |
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| ReturnHeader/ReturnTs | 0 | 2025-05-15T16:12:24-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
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| ReturnHeader/TaxYr | 0 | 2024 |
Document Assets
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