Mas Family Charitable Foundation
Invitation OnlyRolling Hills Estates, California · EIN 46-4170531 · Private foundation
Grants paid (2025)$100K
Organizations funded59
Typical grant$700
Total assets$2.6M
Half of its grants to organizations were between $700 and $700.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
72% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| The Pongo Fund | Portland, OR | Pet food bank | $12,000 |
| Alzheimer's Association | Los Angeles, CA | Scientific study | $10,000 |
| Mds Foundation | Yardville, NJ | Medical research | $10,000 |
| Cashs Crew Inc | Leoma, TN | Animal care | $8,000 |
| Dovelweis Emergency Animal Hospital Inc | Portland, OR | Animal care | $8,000 |
| Northwest Animal Companions | Portland, OR | Animal care | $8,000 |
| Macular Degeneration Research | Clarksburg, MD | Scientific | $5,000 |
| Alsast Jude Children's Research Hospital | Memphis, TN | Children and families | $4,000 |
| Animals' Angels | Westminster, MD | Animal cruelty prevention | $1,000 |
| St Augustine Wild Reserve | St Augustine, FL | Animal rescue | $1,000 |
| Aylas Acres | St Augustine, FL | No-Kill animal resuce | $900 |
| Aspca | Los Angeles, CA | Prevention of cruelty to animals | $800 |
| Save-A-Pet Inc | Grayslake, IL | Animal cruelty prevention | $800 |
| Animal Equality | Los Angeles, CA | Animal cruelty prevention | $700 |
| Best Friends Animal Society | Mission Hills, CA | Animal cruelty prevention | $700 |
| Compassion Without Borders | Santa Rosa, CA | Animal cruelty prevention | $700 |
| Defenders of Animal Rights Inc | Phoenix, MD | Animal cruelty prevention | $700 |
| Defenders of Wildlife | Washington DC, DC | Native animal and plant protection | $700 |
| Farm Sanctuary | Acton, CA | Animal cruelty prevention | $700 |
| Feeding Pets of Homeless | Carson City, NV | Animal welfare | $700 |
| Front Range Equine Rescue | Puebelo, CA | Horse rescue | $700 |
| Gentle Giants Draft Horse | Mount Airy, MD | Horse rescue | $700 |
| Greyt Expectations Greyhound Rescue | Lusby, MD | Greyhound rescue | $700 |
| Guardians of Rescue | Hauppauge, NY | Animal cruelty prevention | $700 |
| Humane Farming Association | San Rafael, CA | Farm animal care | $700 |
| Humane Society International | Washington, DC | Animal cruelty prevention | $700 |
| Humane Society of the US | Washington, DC | Animal cruelty prevention | $700 |
| Ifaw | Washington, DC | Animal conservation | $700 |
| Internaltional Animal Rescue | Shrewsbury, MA | Animal rescue | $700 |
| Jacksonville Humane Society | Jacksonville, FL | Prevention of cruelty to animals | $700 |
| Jane Goodall | Washington, DC | Animal cruelty prevention | $700 |
| Keepers of the Wild Nature Park | Valentine, AZ | Animal cruelty prevention | $700 |
| Lange Foundation | Canyon Country, CA | Animal rescue | $700 |
| Last Chance for Animals | Los Angeles, CA | Animal cruelty prevention | $700 |
| Lions Tigers and Bears | Alpine, CA | Animal sanctuary | $700 |
| Little Shelter Animal Rescue | Huntington, NY | Animal cruelty prevention | $700 |
| Mara Elephant Project | Carmel, IN | Animal rescue | $700 |
| Network for Animals | Barnstable, MA | Animal cruelty prevention | $700 |
| North Shore Animal League | Port Washington, NY | Animal cruelty prevention | $700 |
| Peta | Los Angeles, CA | Animal cruelty prevention | $700 |
| Physicians Committee for Responsible Medicine | Washington, DC | Medical treatments | $700 |
| Red Rover | Sacramento, CA | Animal cruelty prevention | $700 |
| Rise for Animals | Boston, MA | End animal experimentation | $700 |
| Safe Pet Rescue | St Augustine, FL | Animal rescue | $700 |
| The Elephant Sanctuary | Hohenwald, TN | Provide a safe haven for elephants | $700 |
| Turtle Island Corp | Atlanta, GA | Save the turtles | $700 |
| Whitney Labs Sea Turtles | St Augustine, FL | Sea turtle science | $700 |
| World Animal Protection | New York, NY | Animal cruelty prevention | $700 |
| Animal Legal Defense | Cotati, CA | Animal cruelty prevention | $600 |
| Castleton Ranch Horse Rescue | Valley Center, CA | Horse rescue | $600 |
| Chimp Haven Inc | Keithville, LA | Animal cruelty prevention | $600 |
| Wags & Wiskers Pet Rescue Inc | St Augustine, FL | Animal care | $600 |
| White Wolf Sanctuary | Tidewater, OR | Wolf sanctuary | $600 |
| African Wild Life | Washington DC, DC | Sustainable wildlife development | $500 |
| Houndhaven | Minneola, FL | Canine medical rescue | $500 |
| Red Bull | Santa Monica, CA | Scientific advancements | $500 |
| The Catty Shack | Jacksonville, FL | Wildlife sanctuary | $500 |
| The Nature Conservancy | Arlington, VA | Animal cruelty prevention | $500 |
| World Wildlife Fund | Washington, DC | Animal cruelty prevention | $500 |
| Another Chance Ranch | Neosho, WI | Animal care | $0 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $100,000 | 72 |
| 2024 | $69,500 | 56 |
| 2023 | $110,000 | 42 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 27, 2026 - IRS e-file batch, object ID 202602399349100315
- IRS Tax Exempt Organization Search for EIN 46-4170531
- Profile updated Nov 4, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.