Funding search · EIN 203874924 · Hillsborough, CA
The Michael and Sally Mayer
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 46
- grants reported
- $232,403
- total given
- 2022–2024
- filing years
- $2,216
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
Full IRS filings ↗How this is builtReport an error
Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- San Mateo Pal3 grants · $43,000
- Nami2 grants · $27,735
- Service League Hope House2 grants · $19,709
- Archbishop Riordan High School3 grants · $16,300
- San Mateo Service League Hope House1 grant · $15,000
- Family Connections2 grants · $15,000
- First Presbyterian Church of Burlingame2 grants · $13,825
- Jazz at the Ballroom1 grant · $10,000
- Cal Club House1 grant · $10,000
- Amor1 grant · $10,000
Giving over time
Grant history
All 46 reported grants, largest first.
- $21,550
San Mateo Pal · San Mateo, CA · 2023
General operating expenses
- $20,235
Nami · San Jose, CA · 2022
General operating expenses
- $16,778
Service League Hope House · Redwood City, CA · 2023
General operating expenses
- $15,000
San Mateo Service League Hope House · Redwood City, CA · 2024
General operating expenses
- $12,500
First Presbyterian Church of Burlingame · Burlingame, CA · 2022
General operating expenses
- $11,650
San Mateo Pal · San Mateo, CA · 2022
General operating expenses
- $10,800
Archbishop Riordan High School · San Francisco, CA · 2022
General operating expenses
- $10,000
Amor · San Diego, CA · 2022
General operating expenses
- $10,000
Cal Club House · San Carlos, CA · 2022
General operating expenses
- $10,000
Jazz at the Ballroom · Burlingame, CA · 2022
General operating expenses
- $9,800
San Mateo Pal · San Mateo, CA · 2024
General operating expenses
- $7,500
Family Connections · Menlo Park, CA · 2024
General operating expenses
- $7,500
Nami · San Jose, CA · 2024
General operating expenses
- $7,500
Family Connections · Menlo Park, CA · 2022
General operating expenses
- $6,000
Heart for Humanity · Novato, CA · 2024
General operating expenses
- $6,000
Ll Foundation · Sherman Oaks Ca, CA · 2023
General operating expenses
- $5,110
Rose City Park School · Portland, OR · 2023
General operating expenses
- $5,000
Fund for Portland Public Schools · Portland, OR · 2024
General operating expenses
- $5,000
Lymelight · Burlingame, CA · 2024
General operating expenses
- $5,000
Serra Hs · San Mateo, CA · 2024
General operating expenses
- $5,000
Uc San Diego · La Jolla, CA · 2024
General operating expenses
- $4,500
Archbishop Riordan High School · San Francisco, CA · 2024
General operating expenses
- $2,931
Service League Hope House · Redwood City, CA · 2022
General operating expenses
- $1,500
Lymelight · Burlingame, CA · 2022
General operating expenses
- $1,405
Solmateo San Mateo · Burlingame, CA · 2023
General operating expenses
- $1,325
First Presbyterian Church of Burlingame · Burlingame, CA · 2024
General operating expenses
- $1,200
The Urban Paw · San Francisco, CA · 2023
General operating expenses
- $1,146
San Mateo Fellowship · San Mateo, CA · 2023
General operating expenses
- $1,000
Bok Ranch · Woodside, CA · 2024
General operating expenses
- $1,000
Archbishop Riordan High School · San Francisco, CA · 2023
General operating expenses
- $1,000
Bok Ranch · Woodside, CA · 2023
General operating expenses
- $1,000
Caritas Creek · Occidental, CA · 2023
General operating expenses
- $1,000
Cora · San Mateo, CA · 2022
General operating expenses
- $1,000
Filoli · Woodside, CA · 2022
General operating expenses
- $1,000
Pets in Need · Redwood City, CA · 2022
General operating expenses
- $795
New Life Community Church · Burlingame, CA · 2022
General operating expenses
- $500
Hip Housing · Redwood City, CA · 2023
General operating expenses
- $500
Sing for America · San Francisco, CA · 2023
General operating expenses
- $500
Mills-Peninsula Hospital · Burlingame, CA · 2022
General operating expenses
- $336
Consumer Reports · Yonkers, NY · 2022
General operating expenses
- $299
Fine Arts Museum of Sf · San Francisco, CA · 2022
General operating expenses
- $234
Filoli · Woodside, CA · 2023
General operating expenses
- $143
Alcoholics Anonymous · San Mateo, CA · 2022
General operating expenses
- $85
San Mateo Fellowship · San Mateo, NY · 2024
General operating expenses
- $56
San Mateo Fellowship · San Mateo, CA · 2022
General operating expenses
- $25
Bay Area Ballers Youth Foundation · Redwood City, CA · 2022
General operating expenses
Who else funds this kind of work
Same state
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
- UCLA Foundation276 grants · $1.75B
Similar purposes
- Jack Joseph & Morton Mandel Foundation1,009 grants · $317.9M
- The Anne and Henry Zarrow Foundation2,074 grants · $138.1M
- Great Jobs Kc204 grants · $116.1M
Similar grant size
- Enterprise Holdings Foundation30,880 grants · $360.4M
- State Employees Credit Union Foundation7,131 grants · $63.0M
- Publix Super Markets Charities6,333 grants · $108.7M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

