California · Nonprofit
ASSISTANCE LEAGUE OF SAN MATEO COUNTY
ASSISTANCE LEAGUE OF SAN MATEO COUNTY (California) receives grants from 7 organizations whose IRS filings report $108,408 to it, the largest being MYRTLE L ATKINSON FOUNDATION ($40,000). 5 of them have funded it in more than one year.
- Revenue FY2025
- $287k
- Funders on record
- 7
- Grants received
- $108k
- Net assets
- $710k
What Assistance League of San Mateo County does
Mission
Charity in community. Assistance to those in need. Service support to children and adults.
As stated on its FY2025 Form 990.
Programs
The operation school bell provides new school clothing to disadvantage children in grades k-7 in san mateo-foster city, burlingame, redwood city, east palo alto, ravenswood, belmont, san bruno, and millbrae.
$95,905 spentof which $78,707 as grants57% of program spendingCommunity outreach program services provide canned foods, clothing, and supplies for homeless families, women, and children in need. This program also offers scholarships to local college students.this program also provides survivors of sexual assault clothing and hygiene kits. Also included are baskets for adopted babies and homeless support.
$71,502 spentof which $71,502 as grants43% of program spending
The 2 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $167,407.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 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 2024 to 2025, from $665k to $718k (+8%).
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.
107% of ASSISTANCE LEAGUE OF SAN MATEO COUNTY’s revenue is contributions — more reliant on donations than three-quarters of its peers (91% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 1 of the last 9 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Who funds it, year by year
2017 → 2023: the base broadened from 1 funder to 4 funders, grant income rose $5k → $11k.
2 of 7 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 29% 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 ASSISTANCE LEAGUE OF SAN MATEO COUNTY’s funders (the co-funder graph). Top 6 of 7 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
ASSISTANCE LEAGUE OF SAN MATEO COUNTY leans on a few funders — its largest provides 37% of grant income and the top three 83%; half comes from just 2 funders.
the vertical line marks half of all grant income — 2 funders to its left
47% 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 ASSISTANCE LEAGUE OF SAN MATEO COUNTY.
Largest funder’s share by year: 2017 100% · 2018 45% · 2019 77% · 2020 77% · 2021 81% · 2022 36% · 2023 46% — diversifying over time.
“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
100% of ASSISTANCE LEAGUE OF SAN MATEO COUNTY's grant income comes from California funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $31k arriving through sponsors registered in 2 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. 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
ASSISTANCE LEAGUE OF SAN MATEO COUNTY holds deeper cash reserves than three-quarters of the 13,062 human services nonprofits its size.
this organization peer median middle 50% of peers· 13,062 human services nonprofits $100k–$1M, FY2025
Organizations like ASSISTANCE LEAGUE OF SAN MATEO COUNTY
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
71% of spending goes to programs.
Governance
Public support
98%
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 ASSISTANCE LEAGUE OF SAN MATEO COUNTY: 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 ASSISTANCE LEAGUE OF SAN MATEO COUNTY?
- ASSISTANCE LEAGUE OF SAN MATEO COUNTY (California) receives grants from 7 organizations whose IRS filings report $108,408 to it, the largest being MYRTLE L ATKINSON FOUNDATION ($40,000). 5 of them have funded it in more than one year.
- How many funders does ASSISTANCE LEAGUE OF SAN MATEO COUNTY have?
- IRS filings report 7 organizations giving $108,408 in grants to ASSISTANCE LEAGUE OF SAN MATEO COUNTY, 5 of which have funded it in more than one year.
- Who is the largest funder of ASSISTANCE LEAGUE OF SAN MATEO COUNTY?
- MYRTLE L ATKINSON FOUNDATION is the largest funder on record, with $40,000 in grants. The full list of funders is on this page.
- How can an organization like ASSISTANCE LEAGUE OF SAN MATEO COUNTY 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.
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 7 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