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FundersCA

Grants paid by The Michael and Sally Mayer Family Foundation

EIN 20-3874924 · Hillsborough, CA · Form 990-PF, Part XV · NTEE T20

The Michael and Sally Mayer Family Foundation of Hillsborough, CA (EIN 20-3874924) reported 85 grants paid totaling $461,951 to 47 recipients in tax years 2020–2024, on Form 990-PF, Part XV. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.

Grants paid

$461,951

85 grants

Recipients

47

distinct organizations

Tax years

2020–2024

5 filings in the corpus

By tax year

Grants by tax year, as the same figures
Tax yearGrants paidAmount paidApproved for future
202019$113,998
202120$115,550
202220$102,270
202313$57,423
202413$72,710

Top recipients

The 47 recipients receiving the most from The Michael and Sally Mayer Family Foundation, by grants paid, out of 47 distinct recipients.

Recipients ranked by total grants paid
RecipientMatchLocationGrantsTotal paidLatest year
Archbishop Riordan High SchoolUSan Francisco, CA5$91,6502024
Nami 46-1028709DSan Jose, CA3$57,7352024
San Mateo PalUSan Mateo, CA5$47,0002024
Family Connections 94-3213689DMenlo Park, CA4$38,5002024
Service League Hope HouseURedwood City, CA4$37,4372023
Cal Club HouseUSan Carlos, CA3$26,5832022
First Presbyterian Church of Burlingame 94-1207714BBurlingame, CA4$21,3972024
Amor 99-2478420CSan Diego, CA3$15,2002022
San Mateo Service League Hope HouseURedwood City, CA1$15,0002024
Las LomitasUMenlo Park, CA2$12,0002021
Jazz at the Ballroom 81-5132247BBurlingame, CA1$10,0002022
Lymelight 61-1645660DBurlingame, CA4$9,5002024
San Mateo County Parks 94-1638934CRedwood City, CA1$8,5002021
CoraUSan Mateo, CA3$8,0002022
Ll FoundationUSherman Oaks Ca, CA1$6,0002023
Heart for Humanity 99-3195908CNovato, CA1$6,0002024
Rose City Park School 85-2413611DPortland, OR1$5,1102023
Central OfficeUCampbell, CA2$5,0402021
Serra HsUSan Mateo, CA1$5,0002024
Sojourn ProjectUMillbrae, CA1$5,0002021
Uc San DiegoULa Jolla, CA1$5,0002024
Fund for Portland Public SchoolsUPortland, OR1$5,0002024
Food RunnersUSan Francisco, CA1$2,5002020
FiloliUWoodside, CA3$2,3342023
Bok RanchUWoodside, CA2$2,0002024
New Life Community ChurchUBurlingame, CA3$1,6952022
Solmateo San MateoUBurlingame, CA1$1,4052023
San Mateo Fellowship 94-1599460DSan Mateo, CA2$1,2022023
The Urban PawUSan Francisco, CA1$1,2002023
Pets in Need 94-6139667BRedwood City, CA1$1,0002022
Pomeroy CenterUSan Francisco, CA1$1,0002020
Caritas Creek 51-0181415BOccidental, CA1$1,0002023
Peninsula Open Space Trust 94-2392007BPalo Alto, CA1$1,0002021
Consumer Reports 13-1776434BYonkers, NY3$8162022
Peninsula Humane SociteyUBurlingame, CA1$5002021
Hip HousingURedwood City, CA1$5002023
Hillsdale CollegeUHillsdale, MI1$5002020
Sing for America 45-3148868CSan Francisco, CA1$5002023
Mills-Peninsula Hospital 23-7288765DBurlingame, CA1$5002022
Girls Best Friend RescueUEl Sobrtante, CA1$5002020
Fine Arts Museum of Sf 94-6096509CSan Francisco, CA1$2992022
Hiller Aviation Museum 94-3226411DSan Carlos, CA1$2752021
Sand Hill School 95-2462254DPalo Alto, CA1$2002020
Alcoholics Anonymous 30-1467976CSan Mateo, CA1$1432022
Vannoy Parent Club 94-3104988BCastro Valley, CA1$1202021
San Mateo FellowshipUSan Mateo, NY1$852024
Bay Area Ballers Youth Foundation 30-0515764BRedwood City, CA1$252022

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 85 grant rows this organization reported, most recent first.

Grants reported by The Michael and Sally Mayer Family Foundation
Tax yearRecipientMatchAmountTypePurposeSource filing
2024San Mateo Service League Hope House Redwood City, CAU$15,000paidGENERAL OPERATING EXPENSES202501339349103110
2024San Mateo Pal San Mateo, CAU$9,800paidGENERAL OPERATING EXPENSES202501339349103110
2024Family Connections Menlo Park, CAD$7,500paidGENERAL OPERATING EXPENSES202501339349103110
2024Nami San Jose, CAD$7,500paidGENERAL OPERATING EXPENSES202501339349103110
2024Heart for Humanity Novato, CAC$6,000paidGENERAL OPERATING EXPENSES202501339349103110
2024Fund for Portland Public Schools Portland, ORU$5,000paidGENERAL OPERATING EXPENSES202501339349103110
2024Uc San Diego La Jolla, CAU$5,000paidGENERAL OPERATING EXPENSES202501339349103110
2024Serra Hs San Mateo, CAU$5,000paidGENERAL OPERATING EXPENSES202501339349103110
2024Lymelight Burlingame, CAD$5,000paidGENERAL OPERATING EXPENSES202501339349103110
2024Archbishop Riordan High School San Francisco, CAU$4,500paidGENERAL OPERATING EXPENSES202501339349103110
2024First Presbyterian Church of Burlingame Burlingame, CAB$1,325paidGENERAL OPERATING EXPENSES202501339349103110
2024Bok Ranch Woodside, CAU$1,000paidGENERAL OPERATING EXPENSES202501339349103110
2024San Mateo Fellowship San Mateo, NYU$85paidGENERAL OPERATING EXPENSES202501339349103110
2023San Mateo Pal San Mateo, CAU$21,550paidGENERAL OPERATING EXPENSES202442289349100804
2023Service League Hope House Redwood City, CAU$16,778paidGENERAL OPERATING EXPENSES202442289349100804
2023Ll Foundation Sherman Oaks Ca, CAU$6,000paidGENERAL OPERATING EXPENSES202442289349100804
2023Rose City Park School Portland, ORD$5,110paidGENERAL OPERATING EXPENSES202442289349100804
2023Solmateo San Mateo Burlingame, CAU$1,405paidGENERAL OPERATING EXPENSES202442289349100804
2023The Urban Paw San Francisco, CAU$1,200paidGENERAL OPERATING EXPENSES202442289349100804
2023San Mateo Fellowship San Mateo, CAD$1,146paidGENERAL OPERATING EXPENSES202442289349100804
2023Bok Ranch Woodside, CAU$1,000paidGENERAL OPERATING EXPENSES202442289349100804
2023Archbishop Riordan High School San Francisco, CAU$1,000paidGENERAL OPERATING EXPENSES202442289349100804
2023Caritas Creek Occidental, CAB$1,000paidGENERAL OPERATING EXPENSES202442289349100804
2023Sing for America San Francisco, CAC$500paidGENERAL OPERATING EXPENSES202442289349100804
2023Hip Housing Redwood City, CAU$500paidGENERAL OPERATING EXPENSES202442289349100804
2023Filoli Woodside, CAU$234paidGENERAL OPERATING EXPENSES202442289349100804
2022Nami San Jose, CAD$20,235paidGENERAL OPERATING EXPENSES202321869349100727
2022First Presbyterian Church of Burlingame Burlingame, CAB$12,500paidGENERAL OPERATING EXPENSES202321869349100727
2022San Mateo Pal San Mateo, CAU$11,650paidGENERAL OPERATING EXPENSES202321869349100727
2022Archbishop Riordan High School San Francisco, CAU$10,800paidGENERAL OPERATING EXPENSES202321869349100727
2022Cal Club House San Carlos, CAU$10,000paidGENERAL OPERATING EXPENSES202321869349100727
2022Jazz at the Ballroom Burlingame, CAB$10,000paidGENERAL OPERATING EXPENSES202321869349100727
2022Amor San Diego, CAC$10,000paidGENERAL OPERATING EXPENSES202321869349100727
2022Family Connections Menlo Park, CAD$7,500paidGENERAL OPERATING EXPENSES202321869349100727
2022Service League Hope House Redwood City, CAU$2,931paidGENERAL OPERATING EXPENSES202321869349100727
2022Lymelight Burlingame, CAD$1,500paidGENERAL OPERATING EXPENSES202321869349100727
2022Pets in Need Redwood City, CAB$1,000paidGENERAL OPERATING EXPENSES202321869349100727
2022Filoli Woodside, CAU$1,000paidGENERAL OPERATING EXPENSES202321869349100727
2022Cora San Mateo, CAU$1,000paidGENERAL OPERATING EXPENSES202321869349100727
2022New Life Community Church Burlingame, CAU$795paidGENERAL OPERATING EXPENSES202321869349100727
2022Mills-Peninsula Hospital Burlingame, CAD$500paidGENERAL OPERATING EXPENSES202321869349100727
2022Consumer Reports Yonkers, NYB$336paidGENERAL OPERATING EXPENSES202321869349100727
2022Fine Arts Museum of Sf San Francisco, CAC$299paidGENERAL OPERATING EXPENSES202321869349100727
2022Alcoholics Anonymous San Mateo, CAC$143paidGENERAL OPERATING EXPENSES202321869349100727
2022San Mateo Fellowship San Mateo, CAD$56paidGENERAL OPERATING EXPENSES202321869349100727
2022Bay Area Ballers Youth Foundation Redwood City, CAB$25paidGENERAL OPERATING EXPENSES202321869349100727
2021Archbishop Riordan High School San Francisco, CAU$47,850paidGENERAL OPERATING EXPENSES202201329349103115
2021Nami San Jose, CAD$30,000paidGENERAL OPERATING EXPENSES202201329349103115
2021San Mateo County Parks Redwood City, CAC$8,500paidGENERAL OPERATING EXPENSES202201329349103115
2021Sojourn Project Millbrae, CAU$5,000paidGENERAL OPERATING EXPENSES202201329349103115
2021Cora San Mateo, CAU$5,000paidGENERAL OPERATING EXPENSES202201329349103115
2021Family Connections Menlo Park, CAD$5,000paidGENERAL OPERATING EXPENSES202201329349103115
2021Las Lomitas Menlo Park, CAU$4,000paidGENERAL OPERATING EXPENSES202201329349103115
2021Service League Hope House Redwood City, CAU$2,728paidGENERAL OPERATING EXPENSES202201329349103115
2021First Presbyterian Church of Burlingame Burlingame, CAB$1,500paidGENERAL OPERATING EXPENSES202201329349103115
2021Lymelight Burlingame, CAD$1,500paidGENERAL OPERATING EXPENSES202201329349103115
2021Peninsula Open Space Trust Palo Alto, CAB$1,000paidGENERAL OPERATING EXPENSES202201329349103115
2021San Mateo Pal San Mateo, CAU$1,000paidGENERAL OPERATING EXPENSES202201329349103115
2021New Life Community Church Burlingame, CAU$675paidGENERAL OPERATING EXPENSES202201329349103115
2021Peninsula Humane Socitey Burlingame, CAU$500paidGENERAL OPERATING EXPENSES202201329349103115
2021Cal Club House San Carlos, CAU$382paidGENERAL OPERATING EXPENSES202201329349103115
2021Consumer Reports Yonkers, NYB$280paidGENERAL OPERATING EXPENSES202201329349103115
2021Hiller Aviation Museum San Carlos, CAD$275paidGENERAL OPERATING EXPENSES202201329349103115
2021Amor San Diego, CAC$200paidGENERAL OPERATING EXPENSES202201329349103115
2021Vannoy Parent Club Castro Valley, CAB$120paidGENERAL OPERATING EXPENSES202201329349103115
2021Central Office Campbell, CAU$40paidGENERAL OPERATING EXPENSES202201329349103115
2020Archbishop Riordan High School San Francisco, CAU$27,500paidGENERAL OPERATING EXPENSES202113579349100416
2020Family Connections Menlo Park, CAD$18,500paidGENERAL OPERATING EXPENSES202113579349100416
2020Cal Club House San Carlos, CAU$16,201paidGENERAL OPERATING EXPENSES202113579349100416
2020Service League Hope House Redwood City, CAU$15,000paidGENERAL OPERATING EXPENSES202113579349100416
2020Las Lomitas Menlo Park, CAU$8,000paidGENERAL OPERATING EXPENSES202113579349100416
2020First Presbyterian Church of Burlingame Burlingame, CAB$6,072paidGENERAL OPERATING EXPENSES202113579349100416
2020Amor San Diego, CAC$5,000paidGENERAL OPERATING EXPENSES202113579349100416
2020Central Office Campbell, CAU$5,000paidGENERAL OPERATING EXPENSES202113579349100416
2020San Mateo Pal San Mateo, CAU$3,000paidGENERAL OPERATING EXPENSES202113579349100416
2020Food Runners San Francisco, CAU$2,500paidGENERAL OPERATING EXPENSES202113579349100416
2020Cora San Mateo, CAU$2,000paidGENERAL OPERATING EXPENSES202113579349100416
2020Lymelight Burlingame, CAD$1,500paidGENERAL OPERATING EXPENSES202113579349100416
2020Filoli Woodside, CAU$1,100paidGENERAL OPERATING EXPENSES202113579349100416
2020Pomeroy Center San Francisco, CAU$1,000paidGENERAL OPERATING EXPENSES202113579349100416
2020Hillsdale College Hillsdale, MIU$500paidGENERAL OPERATING EXPENSES202113579349100416
2020Girls Best Friend Rescue El Sobrtante, CAU$500paidGENERAL OPERATING EXPENSES202113579349100416
2020New Life Community Church Burlingame, CAU$225paidGENERAL OPERATING EXPENSES202113579349100416
2020Consumer Reports Yonkers, NYB$200paidGENERAL OPERATING EXPENSES202113579349100416
2020Sand Hill School Palo Alto, CAD$200paidGENERAL OPERATING EXPENSES202113579349100416

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.

Returns this page is derived from
FormTax yearPeriod endFiledSchemaIRS OBJECT_ID
990PF20242024-12-31not stated2024v5.1202501339349103110
990PF20232023-12-31not stated2023v5.1202442289349100804
990PF20222022-12-31not stated2022v5.0202321869349100727
990PF20212021-12-31not stated2021v4.2202201329349103115
990PF20202020-12-31not stated2020v4.1202113579349100416

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/203874924.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.