funder-graph › Recipients
Who funds First Base Foundation
EIN 37-1499235 · Mill Valley, CA · NTEE N63
First Base Foundation of Mill Valley, CA (EIN 37-1499235) was named as a grant recipient by 6 funders in 20 grants paid totaling $121,547 in tax years 2018–2025, as reported on the funders' Forms 990-PF and 990 Schedule I. Each edge was resolved to this EIN at the match tier shown. Dataset version 2026.09.0, built 2026-09-03.
Grants received
$121,547
20 grants paid
Funders
6
distinct grantmakers
Tax years
2018–2025
as reported by funders
Funders
| Funder | State | Match | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| Schwab Charitable Fund 31-1640316 | CA | A | 4 | $42,500 | 2025 |
| Flora L Thornton Foundation 95-3855595 | CA | B | 5 | $34,000 | 2024 |
| Olympic Club Foundation 94-3160462 | CA | A | 3 | $31,000 | 2024 |
| Marin Community Foundation 94-3007979 | CA | A | 1 | $10,000 | 2021 |
| Amica Companies Foundation 05-0493445 | RI | B | 4 | $3,965 | 2024 |
| Amazonsmile Foundation 46-2626883 | WA | B | 3 | $82 | 2023 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Grants
The 20 most recent grants naming this organization.
| Tax year | Funder | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|---|
| 2025 | Donor Advised Charitable Giving Inc | First Base Foundation Mill Valley, CA | A | $11,000 | paid | HUMAN SERVICES | 202611199349300601 |
| 2024 | Donor Advised Charitable Giving Inc | First Base Foundation Mill Valley, CA | A | $10,500 | paid | HUMAN SERVICES | 202541069349300729 |
| 2024 | Olympic Club Foundation | First Base Foundation Mill Valley, CA | A | $10,000 | paid | GENERAL OPERATION SUPPORT | 202513079349302451 |
| 2024 | Flora L Thornton Foundation | First Base Foundation Mill Valley, CA | B | $5,000 | paid | GENERAL SUPPORT | 202512379349100426 |
| 2024 | Amica Companies Foundation | First Base Foundation Mill Valley, CA | B | $1,340 | paid | GENERAL PURPOSE | 202513149349102831 |
| 2023 | Schwab Charitable Fund | First Base Foundation Mill Valley, CA | A | $10,500 | paid | HUMAN SERVICES | 202411039349301716 |
| 2023 | Flora L Thornton Foundation | First Base Foundation Mill Valley, CA | B | $10,000 | paid | GENERAL SUPPORT | 202412639349100401 |
| 2023 | Amica Companies Foundation | First Base Foundation Mill Valley, CA | B | $875 | paid | GENERAL PURPOSE | 202443199349102974 |
| 2023 | Amazonsmile Foundation | First Base Foundation Mill Valley, CA | B | $23 | paid | GENERAL SUPPORT | 202540919349100629 |
| 2022 | Olympic Club Foundation | First Base Foundation Mill Valley, CA | A | $15,000 | paid | GENERAL OPERATING SUPPORT | 202303189349317850 |
| 2022 | Schwab Charitable Fund | First Base Foundation Mill Valley, CA | A | $10,500 | paid | HUMAN SERVICES | 202330939349300403 |
| 2022 | Flora L Thornton Foundation | First Base Foundation Mill Valley, CA | B | $10,000 | paid | GENERAL SUPPORT | 202322619349100302 |
| 2022 | Amica Companies Foundation | First Base Foundation Mill Valley, CA | B | $875 | paid | GENERAL PURPOSE | 202343199349108344 |
| 2022 | Amazonsmile Foundation | First Base Foundation Mill Valley, CA | B | $25 | paid | GENERAL SUPPORT | 202313119349100141 |
| 2021 | Marin Community Foundation | The First Base Foundation Inc Mill Valley, CA | A | $10,000 | paid | BASEBALL PROGRAM SUPPORT | 202231339349302818 |
| 2021 | Flora L Thornton Foundation | First Base Foundation Mill Valley, CA | B | $4,000 | paid | GENERAL SUPPORT | 202222709349100507 |
| 2020 | Olympic Club Foundation | First Base Foundation Mill Valley, CA | A | $6,000 | paid | GENERAL OPERATING SUPPORT | 202123199349325522 |
| 2020 | Amica Companies Foundation | First Base Foundation Mill Valley, CA | B | $875 | paid | GENERAL PURPOSE | 202103199349106350 |
| 2020 | Amazonsmile Foundation | First Base Foundation Mill Valley, CA | B | $34 | paid | GENERAL SUPPORT | 202113199349100901 |
| 2018 | Flora L Thornton Foundation | First Base Foundation Mill Valley, CA | B | $5,000 | paid | GENERAL SUPPORT | 201912819349101111 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are inferred and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF and Form 990 Schedule I e-file XML filed by the funders shown; this organization's identity from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The rows as Parquet: manifest.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.