Grants paid by G W Williams Foundation
EIN 94-6095718 · San Mateo, CA · Form 990-PF, Part XV
G W Williams Foundation of San Mateo, CA (EIN 94-6095718) reported 77 grants paid totaling $222,845 to 18 recipients in tax years 2018–2025, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$222,845
77 grants
Recipients
18
distinct organizations
Tax years
2018–2025
8 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 9 | $21,345 | — |
| 2019 | 9 | $29,500 | — |
| 2020 | 10 | $24,000 | — |
| 2021 | 9 | $23,000 | — |
| 2022 | 9 | $23,000 | — |
| 2023 | 9 | $23,000 | — |
| 2024 | 10 | $28,000 | — |
| 2025 | 12 | $51,000 | — |
Top recipients
The 18 recipients receiving the most from G W Williams Foundation, by grants paid, out of 18 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| San Mateo County Historical Assoc 23-7186194 | C | Redwood City, CA | 8 | $69,345 | 2025 |
| Mills Peninsula Hospital Foundation 23-7288765 | C | Burlingame, CA | 8 | $40,000 | 2025 |
| Coastside Land Trust 94-3290067 | B | Half Moon Bay, CA | 8 | $37,500 | 2025 |
| Mission Hospice & Home Care 94-2567162 | B | San Mateo, CA | 8 | $28,000 | 2025 |
| Burlingame Rotary Service Fund | U | Burlingame, CA | 8 | $8,000 | 2025 |
| The Leukemia & Lymphoma Society | U | San Francisco, CA | 8 | $8,000 | 2025 |
| Jobtrain 94-1712371 | B | Menlo Park, CA | 8 | $7,000 | 2025 |
| Volunteer Florida Foundation Inc 01-0973168 | C | Tallahassee, FL | 1 | $5,000 | 2024 |
| Science From Scientists 20-0792574 | C | Bedford, MA | 4 | $4,000 | 2022 |
| The Tunnel to Towers Foundation | U | Danbury, CT | 4 | $4,000 | 2025 |
| Wounded Warrior Project | U | San Diego, CA | 3 | $3,000 | 2020 |
| Science for Scientists | U | Bedford, MA | 3 | $3,000 | 2025 |
| The Tunnel to Towers Foundation | U | Staten Island, NY | 1 | $1,000 | 2021 |
| Tenngreen Land Conservancy 62-1557574 | B | Nashville, TN | 1 | $1,000 | 2025 |
| Community Gatepath | U | Redwood City, CA | 1 | $1,000 | 2018 |
| University of Washington Conservati | U | Eatonville, WA | 1 | $1,000 | 2025 |
| Saved in America | U | Valley Center, CA | 1 | $1,000 | 2020 |
| Second Harvest Food Bank of Central 59-2142315 | C | Orlando, FL | 1 | $1,000 | 2025 |
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.
Every grant
All 77 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | San Mateo County Historical Assoc Redwood City, CA | C | $30,000 | paid | EDUCATION | 202641339349101724 |
| 2025 | Coastside Land Trust Half Moon Bay, CA | B | $5,000 | paid | ENVIRONMENT | 202641339349101724 |
| 2025 | Mills Peninsula Foundation Burlingame, CA | D | $5,000 | paid | MEDICAL SUPPORT | 202641339349101724 |
| 2025 | Mission Hospice & Home Care San Mateo, CA | B | $3,000 | paid | HUMAN SERVICES | 202641339349101724 |
| 2025 | University of Washington Conservati Eatonville, WA | U | $1,000 | paid | WILDLIFE RESEARCH | 202641339349101724 |
| 2025 | Tenngreen Land Conservancy Nashville, TN | B | $1,000 | paid | LAND CONSERVATION | 202641339349101724 |
| 2025 | Tunnel to Towers Foundation Danbury, CT | U | $1,000 | paid | COMMUNITY SUPPORT | 202641339349101724 |
| 2025 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATION | 202641339349101724 |
| 2025 | Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL RESEARCH | 202641339349101724 |
| 2025 | Science for Scientists Bedford, MA | U | $1,000 | paid | CHILDREN & YOUTH | 202641339349101724 |
| 2025 | Jobtrain Menlo Park, CA | B | $1,000 | paid | EDUCATION | 202641339349101724 |
| 2025 | Second Harvest Food Bank of Central Orlando, FL | C | $1,000 | paid | HUNGER RELIEF | 202641339349101724 |
| 2024 | Volunteer Florida Foundation Inc Tallahassee, FL | C | $5,000 | paid | HUMAN SERVICES | 202510799349101736 |
| 2024 | San Mateo County Historical Assoc Redwood City, CA | C | $5,000 | paid | EDUCATION | 202510799349101736 |
| 2024 | Coastside Land Trust Half Moon Bay, CA | B | $5,000 | paid | ENVIRONMENT | 202510799349101736 |
| 2024 | Mills Peninsula Foundation Burlingame, CA | D | $5,000 | paid | MEDICAL SUPPORT | 202510799349101736 |
| 2024 | Mission Hospice & Home Care San Mateo, CA | B | $3,000 | paid | HUMAN SERVICES | 202510799349101736 |
| 2024 | Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL RESEARCH | 202510799349101736 |
| 2024 | Science for Scientists Bedford, MA | U | $1,000 | paid | CHILDREN & YOUTH | 202510799349101736 |
| 2024 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATION | 202510799349101736 |
| 2024 | Jobtrain Menlo Park, CA | B | $1,000 | paid | EDUCATION | 202510799349101736 |
| 2024 | Tunnel to Towers Foundation Danbury, CT | U | $1,000 | paid | COMMUNITY SUPPORT | 202510799349101736 |
| 2023 | San Mateo County Historical Assoc Redwood City, CA | C | $5,000 | paid | EDUCATION | 202400819349100330 |
| 2023 | Coastside Land Trust Half Moon Bay, CA | B | $5,000 | paid | ENVIRONMENT | 202400819349100330 |
| 2023 | Mills Peninsula Foundation Burlingame, CA | D | $5,000 | paid | MEDICAL SUPPORT | 202400819349100330 |
| 2023 | Mission Hospice & Home Care San Mateo, CA | B | $3,000 | paid | HUMAN SERVICES | 202400819349100330 |
| 2023 | Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL RESEARCH | 202400819349100330 |
| 2023 | Jobtrain Menlo Park, CA | B | $1,000 | paid | EDUCATION | 202400819349100330 |
| 2023 | Tunnel to Towers Foundation Danbury, CT | U | $1,000 | paid | COMMUNITY SUPPORT | 202400819349100330 |
| 2023 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATION | 202400819349100330 |
| 2023 | Science for Scientists Bedford, MA | U | $1,000 | paid | CHILDREN & YOUTH | 202400819349100330 |
| 2022 | Mills Peninsula Hospital Foundation Burlingame, CA | C | $5,000 | paid | MEDICAL SUPPORT | 202301049349100235 |
| 2022 | San Mateo County Historical Assoc Redwood City, CA | C | $5,000 | paid | HISTORICAL EDUCATION | 202301049349100235 |
| 2022 | Coastside Land Trust Half Moon Bay, CA | B | $5,000 | paid | LAND PRESERVATION | 202301049349100235 |
| 2022 | Mission Hospice & Home Care San Mateo, CA | B | $3,000 | paid | HOME CARE | 202301049349100235 |
| 2022 | The Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL RESEARCH | 202301049349100235 |
| 2022 | Science From Scientists Bedford, MA | C | $1,000 | paid | COMMUNITY SUPPORT | 202301049349100235 |
| 2022 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATIONAL PURPOSE | 202301049349100235 |
| 2022 | Jobtrain Menlo Park, CA | B | $1,000 | paid | JOB TRAINING | 202301049349100235 |
| 2022 | The Tunnel to Towers Foundation Danbury, CT | U | $1,000 | paid | COMMUNITY SUPPORT | 202301049349100235 |
| 2021 | Mills Peninsula Hospital Foundation Burlingame, CA | C | $5,000 | paid | MEDICAL IMPROVEMENT | 202240669349101659 |
| 2021 | San Mateo County Historical Assoc Redwood City, CA | C | $5,000 | paid | HISTORICAL EDUCATION | 202240669349101659 |
| 2021 | Coastside Land Trust Half Moon Bay, CA | B | $5,000 | paid | LAND PREVERSATION | 202240669349101659 |
| 2021 | Mission Hospice & Home Care San Mateo, CA | B | $3,000 | paid | HOME CARE | 202240669349101659 |
| 2021 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATIONAL PURPOSE | 202240669349101659 |
| 2021 | Jobtrain Menlo Park, CA | B | $1,000 | paid | JOB TRAINING | 202240669349101659 |
| 2021 | The Tunnel to Towers Foundation Staten Island, NY | U | $1,000 | paid | COMMUNITY SUPPORT | 202240669349101659 |
| 2021 | Science From Scientists Bedford, MA | C | $1,000 | paid | COMMUNITY SUPPORT | 202240669349101659 |
| 2021 | The Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL IMPROVEMENT | 202240669349101659 |
| 2020 | San Mateo County Historical Assoc Redwood City, CA | C | $5,000 | paid | HISTORICAL EDUCATION | 202110339349100216 |
| 2020 | Coastside Land Trust Half Moon Bay, CA | B | $5,000 | paid | LAND PREVERSATION | 202110339349100216 |
| 2020 | Mills Peninsula Hospital Foundation Burlingame, CA | C | $5,000 | paid | MEDICAL IMPROVEMENT | 202110339349100216 |
| 2020 | Mission Hospice & Home Care San Mateo, CA | B | $3,000 | paid | HOME CARE | 202110339349100216 |
| 2020 | The Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL IMPROVEMENT | 202110339349100216 |
| 2020 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATIONAL PURPOSE | 202110339349100216 |
| 2020 | Science From Scientists Bedford, MA | C | $1,000 | paid | COMMUNITY SUPPORT | 202110339349100216 |
| 2020 | Jobtrain Menlo Park, CA | B | $1,000 | paid | JOB TRAINING | 202110339349100216 |
| 2020 | Saved in America Valley Center, CA | U | $1,000 | paid | HUMAN TRAFFICKING | 202110339349100216 |
| 2020 | Wounded Warrior Project San Diego, CA | U | $1,000 | paid | MEDICAL IMPROVEMENT | 202110339349100216 |
| 2019 | San Mateo County Historical Asso Redwood City, CA | C | $10,000 | paid | HISTORICAL EDUCATION | 202020669349101267 |
| 2019 | Coastside Land Trust Half Moon Bay, CA | B | $5,000 | paid | LAND PREVERSATION | 202020669349101267 |
| 2019 | Mission Hospice & Home Care San Mateo, CA | B | $5,000 | paid | HOME CARE | 202020669349101267 |
| 2019 | Mills Peninsula Hospital Foundation Burlingame, CA | C | $5,000 | paid | MEDICAL IMPROVEMENT | 202020669349101267 |
| 2019 | Wounded Warrior Project San Diego, CA | U | $1,000 | paid | MEDICAL IMPROVEMENT | 202020669349101267 |
| 2019 | The Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL IMPROVEMENT | 202020669349101267 |
| 2019 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATIONAL PURPOSE | 202020669349101267 |
| 2019 | Science From Scientists Bedford, MA | C | $1,000 | paid | COMMUNITY SUPPORT | 202020669349101267 |
| 2019 | Jobtrain Menlo Park, CA | B | $500 | paid | JOB TRAINING | 202020669349101267 |
| 2018 | Mission Hospice & Home Care San Mateo, CA | B | $5,000 | paid | HOME CARE | 201910579349100111 |
| 2018 | Mills Peninsula Hospital Foundation Burlingame, CA | C | $5,000 | paid | MEDICAL IMPROVEMENT | 201910579349100111 |
| 2018 | San Mateo County Historical Asso Redwood City, CA | C | $4,345 | paid | HISTORICAL EDUCATION | 201910579349100111 |
| 2018 | Coastside Land Trust Half Moon Bay, CA | B | $2,500 | paid | LAND PREVERSATION | 201910579349100111 |
| 2018 | Community Gatepath Redwood City, CA | U | $1,000 | paid | COMMUNITY SUPPORT | 201910579349100111 |
| 2018 | Burlingame Rotary Service Fund Burlingame, CA | U | $1,000 | paid | EDUCATIONAL PURPOSE | 201910579349100111 |
| 2018 | Wounded Warrior Project San Diego, CA | U | $1,000 | paid | MEDICAL IMPROVEMENT | 201910579349100111 |
| 2018 | The Leukemia & Lymphoma Society San Francisco, CA | U | $1,000 | paid | MEDICAL IMPROVEMENT | 201910579349100111 |
| 2018 | Jobtrain Menlo Park, CA | B | $500 | paid | JOB TRAINING | 201910579349100111 |
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 the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990PF | 2025 | 2025-11-30 | not stated | 2024v5.0 | 202641339349101724 |
| 990PF | 2024 | 2024-11-30 | not stated | 2023v6.0 | 202510799349101736 |
| 990PF | 2023 | 2023-11-30 | not stated | 2022v5.0 | 202400819349100330 |
| 990PF | 2022 | 2022-11-30 | not stated | 2021v4.0 | 202301049349100235 |
| 990PF | 2021 | 2021-11-30 | not stated | 2020v4.0 | 202240669349101659 |
| 990PF | 2020 | 2020-11-30 | not stated | 2019v5.0 | 202110339349100216 |
| 990PF | 2019 | 2019-11-30 | not stated | 2018v3.2 | 202020669349101267 |
| 990PF | 2018 | 2018-11-30 | not stated | 2017v2.3 | 201910579349100111 |
Derived from IRS Form 990-PF e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/946095718.json.
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.