Private foundation · EIN 46-4170531 · Rllng Hls Est, California · Education

Mas Family Charitable Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2025 Form 990-PF: 72 grants paid, $100K total, median $700. 28% of grants stayed in California.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2025
72
$100K
Median grant
$700
Stays in CA
28%
of grants
Deadline
—
Assets
$1.6M

Grants paid in 2025

Top 60 of 72 grants by amount · from Form 990-PF Part XV

RecipientPurposeAmount
The Pongo FundPortland, ORPet food bank$12K
Alzheimer's AssociationLos Angeles, CAScientific study$10K
Mds FoundationYardville, NJMedical research$10K
Cashs Crew IncLeoma, TNAnimal care$8,000
Dovelweis Emergency Animal Hospital IncPortland, ORAnimal care$8,000
Northwest Animal CompanionsPortland, ORAnimal care$8,000
Macular Degeneration ResearchClarksburg, MDScientific$5,000
Alsast Jude Children's Research HospitalMemphis, TNChildren and families$4,000
Animals' AngelsWestminster, MDAnimal cruelty prevention$1,000
St Augustine Wild ReserveSt Augustine, FLAnimal rescue$1,000
Aylas AcresSt Augustine, FLNo-kill animal resuce$900
ASPCALos Angeles, CAPrevention of cruelty to animals$800
Save-A-Pet IncGrayslake, ILAnimal cruelty prevention$800
Animal EqualityLos Angeles, CAAnimal cruelty prevention$700
Best Friends Animal SocietyMission Hills, CAAnimal cruelty prevention$700
Compassion Without BordersSanta Rosa, CAAnimal cruelty prevention$700
Defenders of Animal Rights IncPhoenix, MDAnimal cruelty prevention$700
Defenders of WildlifeWashington, DCNative animal and plant protection$700
Farm SanctuaryActon, CAAnimal cruelty prevention$700
Feeding Pets of HomelessCarson City, NVAnimal welfare$700
Front Range Equine RescuePuebelo, CAHorse rescue$700
Gentle Giants Draft HorseMount Airy, MDHorse rescue$700
Greyt Expectations Greyhound RescueLusby, MDGreyhound rescue$700
Guardians of RescueHauppauge, NYAnimal cruelty prevention$700
Humane Farming AssociationSan Rafael, CAFarm animal care$700
Humane Society InternationalWashington, DCAnimal cruelty prevention$700
Humane Society of the USWashington, DCAnimal cruelty prevention$700
IfawWashington, DCAnimal conservation$700
Internaltional Animal RescueShrewsbury, MAAnimal rescue$700
Jacksonville Humane SocietyJacksonville, FLPrevention of cruelty to animals$700
Jane GoodallWashington, DCAnimal cruelty prevention$700
Keepers of the Wild Nature ParkValentine, AZAnimal cruelty prevention$700
Lange FoundationCanyon Country, CAAnimal rescue$700
Last Chance for AnimalsLos Angeles, CAAnimal cruelty prevention$700
Lions Tigers and BearsAlpine, CAAnimal sanctuary$700
Little Shelter Animal RescueHuntington, NYAnimal cruelty prevention$700
Mara Elephant ProjectCarmel, INAnimal rescue$700
Network for AnimalsBarnstable, MAAnimal cruelty prevention$700
North Shore Animal LeaguePort Washington, NYAnimal cruelty prevention$700
PetaLos Angeles, CAAnimal cruelty prevention$700
Physicians Committee for Responsible MedicineWashington, DCMedical treatments$700
Red RoverSacramento, CAAnimal cruelty prevention$700
Rise for AnimalsBoston, MAEnd animal experimentation$700
Safe Pet RescueSt Augustine, FLAnimal rescue$700
The Elephant SanctuaryHohenwald, TNProvide a safe haven for elephants$700
Turtle Island CorpAtlanta, GASave the turtles$700
Whitney Labs Sea TurtlesSt Augustine, FLSea turtle science$700
World Animal ProtectionNew York, NYAnimal cruelty prevention$700
Animal Legal DefenseCotati, CAAnimal cruelty prevention$600
Castleton Ranch Horse RescueValley Center, CAHorse rescue$600
Chimp Haven IncKeithville, LAAnimal cruelty prevention$600
Wags & Wiskers Pet Rescue IncSt Augustine, FLAnimal care$600
White Wolf SanctuaryTidewater, ORWolf sanctuary$600
African Wild LifeWashington, DCSustainable wildlife development$500
HoundhavenMinneola, FLCanine medical rescue$500
Red BullSanta Monica, CAScientific advancements$500
The Catty ShackJacksonville, FLWildlife sanctuary$500
The Nature ConservancyArlington, VAAnimal cruelty prevention$500
World Wildlife FundWashington, DCAnimal cruelty prevention$500
Another Chance RanchNeosho, WIAnimal care

By state: Oregon 6 · California 20 · Tennessee 3 · New Jersey 1 · Maryland 5 · Florida 8

About this foundation

Mas Family Charitable Foundation is a private grantmaking foundation in Rllng Hls Est, California, tax-exempt since 2014. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Mas Family Charitable Foundation accept grant applications?

No. On its 2025 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Mas Family Charitable Foundation give each year?

In tax year 2025 it paid $100K across 72 grants, a median of $700.

Where does Mas Family Charitable Foundation give?

Oregon (6 grants), California (20 grants), Tennessee (3 grants) and elsewhere, per its latest filing.

More foundations near Rllng Hls Est that accept applications

All in California
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Tf Educational Foundationsince 2006 Rllng Hls Est, CA $3.6M12 grants · 2024 $13KPreselected only $15M
Kwoh & Pong Foundationsince 2000 Rllng Hls Est, CA $335K6 grants · 2024 $37KPreselected only $8.0M
Reed L Harmon & Nan H Harman Foundationsince 1988 Rllng Hls Est, CA $176K32 grants · 2024 $5,000Preselected only $4.5M
Viento Dios Family Foundationsince 2007 Rllng Hls Est, CA $130K23 grants · 2024 $1,350Preselected only $1.9M
William & Flora Hewlett Foundationsince 1968 Menlo Park, CA $625M2,001 grants · 2024 $150KYes $13B
Sergey Brin Family Foundationsince 2015 San Francisco, CA $699M170 grants · 2024 $1.0MPreselected only $4.1B
Gordon E and Betty I Moore Foundationsince 2001 Palo Alto, CA $403M920 grants · 2024 $200KPreselected only $8.8B
David and Lucile Packard Foundationsince 1964 Los Altos, CA $350M1,029 grants · 2024 $150KYes $8.3B
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