California · Nonprofit
MARINARTSORG
MARINARTSORG (California) receives grants from 3 organizations whose IRS filings report $32,500 to it, the largest being LEONARD & BERYL BUCK FOUNDATION ($30,000). 1 of them have funded it in more than one year.
- Revenue FY2025
- $422k
- Funders on record
- 3
- Grants received
- $33k
- Net assets
- $36k
What Marinartsorg does
Mission
Marinarts.org is a 501(c)(3) nonprofit organization dedicated to advocating for all the arts in marin county. We provide an online calendar and searchable directories as resources to help facilitate participation, broaden audiences, and increase attendance within the arts community.
As stated on its FY2025 Form 990.
Program
We provide an online arts portal and calendar (at marinarts.org), offering free event listings, a powerful network of directories, and advertising and sponsorship opportunities for artists, arts organizations and businesses.
$439,744 spent$39,976 earned by the program100% of program spending
The program described on its FY2024 Form 990. Program spending in total: $439,744.
The organization over time
Each line starts at 100 in 2018, so what you read is the shape rather than the size: 150 means half as much again as 2018, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2023 to 2024, from $15k to $85k (+482%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2025 34%. Grants only. Government contracts and fees sit inside program revenue.
91% of MARINARTSORG’s revenue is contributions — more donation-reliant than the typical peer (64% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 5 of the last 8 reported years ran a deficit.
reserve
Who funds it, year by year
2018 → 2020: the base held at 1 funder, grant income fell $15k → $3k.
1 of 3 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 0% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of MARINARTSORG’s funders (the co-funder graph). Top 2 of 3 funders by total. Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
MARINARTSORG leans on a few funders — its largest provides 92% of grant income and the top three 100%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
92% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund MARINARTSORG.
Largest funder’s share by year: 2018 100% · 2019 100% · 2020 100% — broadly stable.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
MARINARTSORG draws 100% of its grant income from funders outside California, across 2 states in all.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
MARINARTSORG has grown faster than three-quarters of the 11,634 arts & culture nonprofits its size.
this organization peer median middle 50% of peers· 11,634 arts & culture nonprofits $100k–$1M, FY2025
Organizations like MARINARTSORG
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In California
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
100% of spending goes to programs.
Governance
Public support
100%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for MARINARTSORG: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds MARINARTSORG?
- MARINARTSORG (California) receives grants from 3 organizations whose IRS filings report $32,500 to it, the largest being LEONARD & BERYL BUCK FOUNDATION ($30,000). 1 of them have funded it in more than one year.
- How many funders does MARINARTSORG have?
- IRS filings report 3 organizations giving $32,500 in grants to MARINARTSORG, 1 of which have funded it in more than one year.
- Who is the largest funder of MARINARTSORG?
- LEONARD & BERYL BUCK FOUNDATION is the largest funder on record, with $30,000 in grants. The full list of funders is on this page.
- How can an organization like MARINARTSORG find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in California. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Marinartsorg →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2018–2025), and the filings of 3 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing