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California · NTEE D

Animal-Related Nonprofits in California

Givalgo Discover indexes 50 active animal-related nonprofits headquartered in California. The list below is sorted by reported revenue on the most recent Form 990 indexed for each organisation.

Top 50 by reported revenue

From the most recent Form 990 indexed for each organisation. Click an org for full diligence detail.

#OrganisationRevenue
1SAN DIEGO ZOO WILDLIFE ALLIANCE
EIN 95-1648219
$437.6M
2MONTEREY BAY AQUARIUM FOUNDATION
EIN 94-2487469
$208.1M
3SAN DIEGO HUMANE SOCIETY AND S P C A
EIN 95-1661688
$72.9M
4AQUARIUM OF THE PACIFIC
EIN 33-0532354
$59.3M
5SAN FRANCISCO SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS
EIN 94-0836580
$58.3M
6WILDLIFE CONSERVATION NETWORK INC
EIN 30-0108469
$56.7M
7POINT REYES BIRD OBSERVATORY
EIN 94-1594250
$31.7M
8CONSERVATION SOCIETY OF CALIFORNIA
EIN 94-1687847
$31.5M
9PENINSULA HUMANE SOCIETY & SPCA
EIN 94-1243665
$29.9M
10FRESNOS CHAFFEE ZOO CORPORATION
EIN 42-1661145
$29.6M
11SAN FRANCISCO ZOOLOGICAL SOCIETY
EIN 94-1429538
$25.5M
12HELEN WOODWARD ANIMAL CENTER
EIN 23-7228287
$24.0M
13MERCY FOR ANIMALS
EIN 54-2076145
$23.3M
14MARINE MAMMAL CENTER
EIN 51-0144434
$22.9M
15GREATER LOS ANGELES ZOO ASSOCIATION
EIN 95-2369545
$22.9M
16CALIFORNIA TROUT
EIN 23-7097680
$22.9M
17SANTA BARBARA ZOOLOGICAL FOUNDATION
EIN 95-2268554
$21.8M
18HUMANE SOCIETY SILICON VALLEY
EIN 94-1196215
$20.9M
19THE DAVID SHELDRICK WILDLIFE TRUST USA INC
EIN 30-0224549
$18.8M
20ANIMAL LEGAL DEFENSE FUND
EIN 94-2681680
$18.0M
21PASADENA HUMANE SOCIETY
EIN 95-1643344
$15.8M
22SACRAMENTO SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS
EIN 94-1312343
$15.4M
23FOSTER FRIENDS RESCUE
EIN 85-3080361
$14.7M
24INTER-AMERICAN TROPICAL TUNA COMMISSION
EIN 95-1657183
$14.3M
25MARIN HUMANE SOCIETY
EIN 94-1156562
$14.0M
26NATIONAL MARINE MAMMAL FOUNDATION INC
EIN 26-1501109
$13.9M
27LOS ANGELES S P C A
EIN 95-1738153
$13.4M
28JOYBOUND PEOPLE AND PETS FKA TONY LARUSSAS ANIMAL RESCUE FOUNDATION
EIN 68-0240341
$13.4M
29SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS OF MONTEREY CTY
EIN 94-1167409
$12.9M
30HUMANE SOCIETY OF POMONA VALLEY INC
EIN 95-1660842
$12.7M
31EAST BAY SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS
EIN 94-1322202
$12.5M
32SACRAMENTO ZOOLOGICAL SOCIETY
EIN 94-2861667
$12.4M
33COMMUNITY ANIMAL MEDICINE PROJECT
EIN 20-8542566
$11.5M
34ANIMAL SAMARITANS
EIN 95-3171867
$11.4M
35CALIFORNIA DEER ASSOCIATION
EIN 93-1220467
$11.3M
36MUTTVILLE
EIN 26-0416747
$10.8M
37HUMANE AMERICA ANIMAL FOUNDATION
EIN 95-4761276
$10.2M
38PERFORMING ANIMAL WELFARE SOCIETY
EIN 94-3005157
$9.7M
39REVIVE & RESTORE
EIN 81-4576399
$9.4M
40PRESTONS PLANET FOUNDATION INC
EIN 86-2647588
$9.2M
41PLACER COUNTY SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS
EIN 94-2607682
$8.9M
42WILDAID INC
EIN 20-3644441
$8.5M
43SANTA BARBARA HUMANE SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMA
EIN 95-1643377
$8.5M
44RANCHO COASTAL HUMANE SOCIETY
EIN 95-2151583
$8.4M
45FRIENDS OF THE PALM SPRINGS ANIMAL SHELTER
EIN 33-0731853
$7.9M
46ANIMAL CHARITY EVALUATORS
EIN 36-4684978
$7.8M
47BUBYE VALLEY CONSERVATION RESEARCH
EIN 47-2943606
$7.3M
48DEDICATION AND EVERLASTING LOVE TO ANIMALS
EIN 95-3759277
$7.0M
49HOPE FOR PAWS
EIN 26-2869386
$6.6M
50WAGS AND WALKS
EIN 45-3749303
$6.6M

Frequently asked questions about animal-related nonprofits in California

Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.

How many animal-related nonprofits operate in California?
Every IRS-registered animal-related nonprofit in California appears in the Givalgo Discover index. The top 50 by reported revenue are listed on this page; the full set is searchable on discover.givalgo.ai.
What's the largest animal-related nonprofit in California?
The single largest animal-related nonprofit in California by reported total revenue is shown at the top of the list on this page, sourced from each organisation's most recent IRS Form 990 filing.
How do I vet a animal-related nonprofit in California before donating?
Use Givalgo Discover's free profile for the organisation: it cross-references the IRS Auto-Revocation List, IRS Publication 78, and the IRS Business Master File, and exposes the latest Form 990 financials and governance signals on a single page.
Are donations to California animal-related nonprofits tax-deductible?
Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed animal-related nonprofit in California are tax-deductible at the federal level; California state tax treatment may differ.
Where do animal-related nonprofits in California file their Form 990?
All US tax-exempt organisations file Form 990 with the IRS at the federal level — there is no state-specific filing for the federal exemption itself. California state charity registration is a separate state-level requirement.