Please Note, this list is not a complete one. If you know of any schools that are missing, or have any website addresses that I have missed, please let me know so that I can update the list. Thank you.
California
Northbay Judo Club
Santa Rosa, CA 95403
(707) 575-5979
San-Shi Judo Dojo
Oceanside, CA 92056
(760) 724-9732
Orange County Karate-Do Dojo
Costa Mesa, CA 92626
(714) 549-1029
Montebello Budokai
La Mirada, CA 90638
(310) 947-4391
Cunningham’s Judo Club
Hercules, CA 94547
(510) 799-4171
Napa Judo Club
Napa, CA 94558
(707) 255-1057
Pine Mountain Maite-Maite
Sherman Oaks, CA 91423
(213) 462-2301
San Diego Dojo
San Diego, CA 92114
(619) 264-0318
Poway Kenpo Karate
Poway, CA 92064
(858) 486-1003
Gemini Judo Club
Anaheim, CA 92807
(714) 476-3764
San Gabriel Dojo
Manhattan Beach, CA 90266
(310) 545-8449
Zentai Judo/Jujitsu
Santa Clara, CA 95054
(408) 988-1670
Tinaza Judo Club
1692 Sycamore Drive
Simi Valley, CA 93065
(818) 269-2107
Twin Cities Martial Arts Academy
Yuba City, CA 95993
(916) 749-0339
Takai Sabaku
Edwards, CA 93523
(619) 769-4127
Sonoma County Judo
Santa Rosa, CA 95403
(707) 326-0766
Venice Judo Club
12448 Braddock
Culver City, CA 90232
(310) 391-5764
Combined Martial Science Judo
Chino, CA 91710
(909) 948-8993
Guerreros Judo Club
Industry, CA 91744
(626) 961-6000
Santa Cruz Brazilian Jujitsu
Santa Cruz, CA 95062
(831) 476-7650
Santa Rosa Junior College
Santa Rosa, CA 95407
(707) 942-1308
Unidos Judo Clubs
Murrieta, CA 92563
(858) 496-2400
North Orange County Budokai
Yorba Linda, CA 92886
(714) 693-9032
Goshin Budokan USA Shubukan Dojo
Moreno Valley, CA 92557
(702) 558-7171
Sunnyvale Judo Club
Sunnyvale, CA 94087
(408) 733-7452
Sanchinkan
Fair Oaks, CA 95628
(916) 961-6466
Stallion Springs P.A.L. Judo Club
Tehachapi, CA 93561
(661) 824-7059
High Desert Judo Pal
22390 Eyota Rd
Apple Valley, CA 85306
(760) 240-7094
Island Judo Club
Alameda, CA 94501
(510) 523-8949
Jujitsu-Do Martial Art Center
Citrus Heights, CA 95610
(916) 652-3261
Bushido Kai
Tracy, CA 95376
(510) 490-4311
Temecula Valley Judo
41658 Ivy St
Murrieta, CA 92562
(949) 322-8557
Calistoga Judo Club
5380 St. Helena Rd
Santa Rosa, CA 95404
(707) 942-1308
Goltz Judo Club
1700 Danbury Rd
Upland, CA 91784
(909) 390-5490
Discover Judo
7611 Hellman Ave
Rancho Cucamonga, CA 91730
(909) 702-2221
Self Defense Institute
San Leandro, CA 94579
(415) 813-2793
Seika Ryu Judo
Santa Rosa, CA 95403
(707) 523-3200
Mountain Judo
Frazier Park, CA 93225
(661) 392-7598
One on One Judo Club
11011 Mann Road
Wilton, CA 95693
(916) 687-6460
Massaro Dojo
Quartz Hill, CA 93536
(805) 943-1312
Tinguinha Brazilian JiuJitsu
Anaheim, CA 92801
(714) 491-6679
Kino Judo Dojo
San Ysidro, CA 92173
(619) 428-0921
Harris Martial Arts
Oakland, CA 94611
(510) 601-0241
Oakdale MMA Academy
Modesto, CA 95355
(209) 577-2671
The World Class Training Center
Northridge, CA 91324
(818) 772-0351
Deleon Judo Club
Sebastopol, CA 94931
(707) 795-5167
Cahill’s Judo Club
San Bruno, CA 94066
(650) 737-9218
Cal State LA
Monterey Park, CA 91754
(213) 977-1769
La Costa Judo
Carlsbad, CA 92009
(760) 944-8268
Tsu-Lin Wu Shu Academy
San Leandro, CA 94577
(510) 614-1837
Santa Clarita Valley Judo Club
Santa Clarita, CA 91390
(661) 263-8781
Seaside Goshin Jitsu
Salinas, CA 93906
(831) 443-5547
Harte Jujitsu Dojo
Santa Clarita, CA 91350
(818) 364-6019
Team Sacramento School
Sacramento, CA 95831
(916) 433-5528
Antelope Valley Judo Club
202 Ponderosa St
Lancaster, CA 93534
(661) 723-9533
Kokusai Budokan
Poway, CA 92064
(858) 735-7785
Industry Sheriff’s Judo Club
Monterey Park, CA 91754
(213) 977-1769
Chow-Hoon Dojo
Salinas, CA 93906
(408) 449-0664
Colhour’s Judo Club
Ione, CA 95640
(209) 763-5699
Twin Cities Judo Club
Marysville, CA 95901
(530) 742-7977
Hayastan Judo Club
North Hollywood, CA 91601
(818) 509-9756
Dynamo Sports Club
241 Moreno Dr
Beverly Hills, CA 90212
(310) 552-0095
Eureka Judo and Jujitsu Kodokan
Eureka, CA 95501
(707) 443-7232
American Moo-Do Kwan
7821 Walker St
La Palma, CA 90623
(714) 690-3350
US Coast Guard Judo Rock
599 Tomales Rd
Petaluma, CA 94952
(707) 765-7112
Boeing Satellite Judo Club
950 N Sepulveda Building S30
El Segundo, CA 90245
(714) 779-5056
Judo America San Diego
9825 Carroll Centre Rd
San Diego, CA 92126
(858) 578-7748
Chester Martial Arts School
219 Chester Airport Rd
Chester, CA 96020
(530) 259-3821
Merced MMA
2170 Yosemite Pkwy
Merced, CA 95340
(209) 596-5577
Hong Kong Judo kan USA/Japan Mar Arts Center
10585 Slater Ave, Suite 1A
Fountain Valley, CA 92708
(714) 963-5866
Team Katame
Hesperia, CA 92345
(760) 946-5165
Coastal Judo Club
San Luis Obispo, CA 93442
(895) 440-6354
San Bernardino Judo Club
Calimesa, CA 92320
(909) 885-5971
Solano College Judo Club
4000 Suisun Valley Rd
Fairfield, CA 94534
(707) 422-3567
Encino Judo Club
Oxnard, CA 93030
(805) 259-6699
Bell Canyon Judo Club
Canoga Park, CA 91307
(818) 885-9839
Pi Do Kai
Los Angeles, CA 90045
(310) 641-2251
Sonora MMA
1265 Mono Way
Sonora, CA 95370
(209) 847-3667
Jundokai Judo and Jujitsu Club
Whittier, CA 90604
(562) 941-1306
Salesian Judo Club
El Cerrito, CA 94530
(510) 233-9310
U C Berkeley Judo Club
Richmond, CA 94803
(510) 642-7100
Santa Monica Judo and JuJitsu Kai
Los Angeles, CA 90034
(310) 451-9906
Orestimba Judo Club
Salinas, CA 93901
(209) 862-1205
Shinbukan
Campbell, CA 95008
(408) 377-1787
At Large Judo Club
822 6th St
Norco, CA 92860
(951) 776-1917
Taihei Yukikan Dojo
Carmichael, CA 95608
(916) 633-2943