| DISTRICT_NUMBER | UNIT_NUMBER | CNAME | CADDR1 | CADDR2 | CCITY | CST | CZIP | CCNTRY |
| 21 | 497 | El Cerrito Bridge Club | 7007 Moeser Lane | El Cerrito | CA | 94530 | US | |
| 21 | 497 | Live Oak Bridge Club | Arlington Clubhouse | 1120 Arlington Ave | El Cerrito | CA | 945302500 | US |
| 21 | 497 | Unit 497 Berkley - El Cerrito | El Cerrito Community Center | 7007 Moeser Lane | El Cerrito | CA | 94530 | US |
| 21 | 498 | Bayshore Bridge Club | Suite 168 | 1300 Bayshore | Burlingame | CA | 94010 | US |
| 21 | 498 | Peninsula Bridge Club | Suite 168 | 1300 Bayshore | Burlingame | CA | 94010 | US |
| 21 | 499 | Blackhawk CC Duplicate | 599 Blackhawk Club Drive | Danville | CA | 94506 | US | |
| 21 | 499 | Brentwood Bridge Club | 400 Central Park Pl | Brentwood | CA | 94513 | US | |
| 21 | 499 | Rossmoor D B C | 1001 Golden Rain Road | Walnut Creek | CA | 94595 | US | |
| 21 | 499 | The Bridge Center | Hillcrest Center | 2219 Morello Avenue | Pleasant Hill | CA | 94523 | US |
| 21 | 499 | Travelers Bridge Club | Diablo Country Club | 711 Silver Lake Drive | Danville | CA | 94526 | US |
| 21 | 499 | Danville Duplicate Bridge | Veterans Hall | 400 Hartz Ave | Danville | CA | 94526 | US |
| 21 | 499 | Discovery Bay Bridge Club | 1900 Willow Lake Road | Discovery Bay | CA | 94514 | US | |
| 21 | 500 | Marina Bridge Club | Marina Community Center | 15301 Wicks Blvd | San Leandro | CA | 94579 | US |
| 21 | 500 | Ashland Bridge Club | 1530 167th Avenue | San Leandro | CA | 94578 | US | |
| 21 | 500 | Fremont Bridge Center | 3375 Country Drive | Fremont | CA | 94538 | US | |
| 21 | 500 | Lakeside Bridge Club | 1970 Via Buena Vista | San Lorenzo | CA | 94580 | US | |
| 21 | 500 | Redwood Bridge Center | Aitken Sr & Comm Center | 17800 Redwood Rd | Castro Valley | CA | 94546 | US |
| 21 | 501 | Livermore Bridge Club | Oddfellows Bldg 2nd Floor | 2160 First St | Livermore | CA | 94550 | US |
| 21 | 501 | Pleasanton Bridge Club | Vineyard & Regalia Street | % Pleasanton Wms Club | Pleasanton | CA | 94566 | US |
| 21 | 502 | Dimond Non-Life Masters | Library | 3565 Fruitvale | Oakland | CA | 94602 | US |
| 21 | 502 | East Bay Unit 502 | Mosswood Park | 3612 Webster St. | Oakland | CA | 94556 | US |
| 21 | 502 | Mosswood Bridge Club | 3612 Webster | Oakland | CA | 94556 | US | |
| 21 | 502 | New Piedmont Bridge Ctr | Piedmont | 401 Highland Avenue | Oakland | CA | 94611 | US |
| 21 | 502 | Redwood Hgts Bridge Club | Redwood Heights Rec Ctr | Redwood Road & Alviso | Oakland | CA | 94619 | US |
| 21 | 502 | The Bellevue Club | 525 Bellevue Ave | Oakland | CA | 946105096 | US | |
| 21 | 502 | Highland Bridge Club EB | 711 Highland Ave | Piedmont | CA | 94611 | US | |
| 21 | 503 | Under 200 Club Tues. AFT | Palo Alto Unity Church | 3391 Middlefield Rd. | Mountain View | CA | 94306 | US |
| 21 | 503 | Alpine DBC | 2639A Terminal Blvd | Mountain View | CA | 94043 | US | |
| 21 | 503 | Bridge-N-Brunch BC | 2639 A Terminal Blvd | Mountain View | CA | 94043 | US | |
| 21 | 503 | Friday Morning Bridge Clb | 2639 A Terminal Blvd | Mountain View | CA | 94043 | US | |
| 21 | 503 | Monday's Bridge Mix | 2639A Terminal Blvd | Mountain View | CA | 94043 | US | |
| 21 | 503 | One Club | 2639A Terminal Blvd | Mountain View | CA | 94043 | US | |
| 21 | 503 | Palo Alto Club | 2639 Terminal Blvd | Mountain View | CA | 94043 | US | |
| 21 | 503 | Sherie's Club | Cubberley Community Center | Middlefield & Charleston St | Mountain View | CA | 94043 | US |
| 21 | 503 | Tuesday Noon BC | Palo Alto Unity Church | 3391 Middlefield Rd. | Mountain View | CA | 94306 | US |
| 21 | 503 | Wed Aft 49ers | Palo Alto Unity Church | 3391 Middlefield Rd. | Mountain View | CA | 94306 | US |
| 21 | 505 | Ann's Fun Bridge Club | 2330 Fair Oaks Blvd | Sacramento | CA | 95825 | US | |
| 21 | 505 | Arden Manor Bridge Club | Hurley and San Ysidro | Sacramento | CA | 95825 | US | |
| 21 | 505 | Auburn Noontime DBC | 457 #07 Grass Valley Hwy | Auburn | CA | 95603 | US | |
| 21 | 505 | ABC | 7534 D Auburn Blvd | Citrus Heights | CA | 95610 | US | |
| 21 | 505 | Bridge Its | 7635 Auburn Boulevard | Citrus Heights | CA | 95610 | US | |
| 21 | 505 | BJ's Club | 7635 - C Auburn Boulevard | Citrus Heights | CA | 95621 | US | |
| 21 | 505 | Citrus Heights BC | 7635-D Auburn Boulevard | Citrus Heights | CA | 95610 | US | |
| 21 | 505 | Foothill Dup Bridge Club | Suite 8 | 4050 Durock Road Box 10 | Shingle Springs | CA | 95682 | US |
| 21 | 505 | Hangtown DBC | 937 Spring Street | Placerville | CA | 95667 | US | |
| 21 | 505 | Jan's BC | Sacramento Bridge Center | 2330 Fair Oaks Blvd | Sacramento | CA | 95825 | US |
| 21 | 505 | Lees Bridge Club | 2330 Fair Oaks Boulevard | Sacramento | CA | 95825 | US | |
| 21 | 505 | McMurdies' BC | 2330 Fair Oaks Boulevard | Sacramento | CA | 95825 | US | |
| 21 | 505 | Double A Club | Sacramento Bridge Center | 2330 Fair Oaks Blv. | Sacramento | CA | 95825 | US |
| 21 | 505 | Lincoln Hills Dup BC | 1904 Farmgate Lane | Lincoln | CA | 95648 | US | |
| 21 | 505 | Sun City Roseville BC | 7050 Del Webb Blvd. | Roseville | CA | 95747 | US | |
| 21 | 506 | Chinese American BC | 1250 Quintara Street | San Francisco | CA | 94116 | US | |
| 21 | 506 | Metropolitan Bridge Club | 855 Brotherhood Way | San Francisco | CA | 94132 | US | |
| 21 | 506 | Quicktricks Bridge Club | 2nd floor | 150 Eureka Street | San Francisco | CA | 94114 | US |
| 21 | 506 | Sunset Bridge Club | 855 Brotherhood Way | San Francisco | CA | 94132 | US | |
| 21 | 506 | The Bridge Center of S.F. | St Mary's Cathedral Office Bld | 1111 Gough St | San Francisco | CA | 94109 | US |
| 21 | 507 | Oakwood Club | 700 Saratoga Ave | San Jose | CA | 95129 | US | |
| 21 | 507 | San Jose Bridge Center | One West Campbell Avenue | Building J Room 68 | San Jose | CA | 95008 | US |
| 21 | 507 | Belmont Bridge Club | c/o Belmont Vlg of Sunnyvale | 1039 E El Camino Real | Sunnyvale | CA | 94087 | US |
| 21 | 507 | San Jose Bridge Club | One Campbell Avenue | Building J Room 68 | San Jose | CA | 95008 | US |
| 21 | 508 | Belvedere Bridge Club | (Bel Comm Ctr) | 450 San Rafael Ave | Belvedere | CA | 94920 | US |
| 21 | 508 | Hoppe Bridge Club | Unity Center | 600 Palm Drivet | Navato | CA | 94949 | US |
| 21 | 508 | Terra Linda Duplicate BC | 670 Del Ganado Road | San Rafael | CA | 94903 | US | |
| 21 | 508 | Crossley Bridge Club | 18 Greenbrae Boardwalk | Greenbrae | CA | 94904 | US | |
| 21 | 508 | Fuldek DBC | 64 San Pedro | San Rafael | CA | 94903 | US | |
| 21 | 508 | Rolling Hills Bridge Club | 350 San Andreas Drive | Novato | CA | 94945 | US | |
| 21 | 509 | Bridge Gallery | 3401 Cleveland Avenue | Santa Rosa | CA | 95403 | US | |
| 21 | 509 | Oakmont Residents DBC | 6637 Oakmont Drive | Santa Rosa | CA | 95405 | US | |
| 21 | 510 | Mother Lode DBC | Union Congregrational Church | 1141 S Main St | Angels Camp | CA | 95222 | US |
| 21 | 510 | Bridge Center | 6235 Harrisburg Place | Stockton | CA | 95207 | US | |
| 21 | 510 | San Andreas Whist Club | 956 Mountain Ranch Rd. | San Andreas | CA | 95249 | US | |
| 21 | 512 | Wine Country Bridge Club | Napa Senior Center | 1500 Jefferson St. | Napa | CA | 94559 | US |
| 21 | 512 | Fairfield Duplicate Club | 1200 Civic Center Drive | Fairfield | CA | 94533 | US | |
| 21 | 512 | Napa Valley Bridge Club | Napa Senior Center | 1500 Jefferson St.et | Napa | CA | 94559 | US |
| 21 | 512 | Vintage Dup Bridge Club | 264 First Street East | Sonoma | CA | 95476 | US | |
| 21 | 524 | Monday Night Bridge Club | 841 Monticelli Dr | Gilroy | CA | 95020 | US | |
| 21 | 524 | Thursday Bridge Club | 841 Monticelli Dr | Gilroy | CA | 95020 | US | |
| 21 | 524 | Wednesday DBC | Dunne Park Clubhouse | Sixth & West Streets | Hollister | CA | 95023 | US |
| 21 | 524 | Jeanne's Bridge Club | Dunn Park Clubhouse | Corner of 6th and West | Hollister | CA | 95023 | US |
| 21 | 529 | Sonora Bridge Club | Sonora Senior Center | 540 Greenley Road | Sonora | CA | 95370 | US |
| 21 | 529 | Bridge Center of Modesto | 3507 Tully Rd Suite 5 | Modesto | CA | 95356 | US | |
| 21 | 529 | Sonora Duplicate Bridge | Sonora Hills Club House | 19601 Greenley Road | Sonora | CA | 95222 | US |
| 21 | 530 | Carmel Community Bridge | Carmel Womens Club | 9th & San Carlos | Carmel | CA | 93921 | US |
| 21 | 530 | County Public Bridge Club | Oldemeyer Center | 986 Hilby Avenue | Seaside | CA | 93955 | US |
| 21 | 530 | Cypress Bridge Club | 13th St. (Fort Ord) | Monterey | CA | 93933 | US | |
| 21 | 530 | Fair Play DBC | 201 13th St | Monterey | CA | 93933 | US | |
| 21 | 530 | George's | Lutheran Hall | Salinas | CA | 93901 | US | |
| 21 | 530 | George's Bridge Club | St Paul's Episcopal Chrch | 1214 Pasatiempo | Salinas | CA | 93901 | US |
| 21 | 530 | L O L's Bridge Club | 13th St. (Ft.Ord) | Monterey | CA | 93933 | US | |
| 21 | 530 | Monterey Bridge Club | 13th St. (Ft.ORD) | Monterey | CA | 93933 | US | |
| 21 | 530 | Ord Bridge Club | 201 13th St | Monterey | CA | 93933 | US | |
| 21 | 530 | St Pauls Bridge Club | St Pauls Episcopal Church | 1071 Pajaro Street | Salinas | CA | 93901 | US |
| 21 | 530 | Steinbeck Country BC | 100 Harvest Street | Salinas | CA | 93901 | US | |
| 21 | 530 | The Oaks Bridge Club | 13th St (Ft. Ord) | Monterey | CA | 93933 | US | |
| 21 | 530 | Bay View | 201 13th Street | Monterey | CA | 93933 | US | |
| 21 | 530 | CV Manor Bridge Club | 8545 Carmel Valley Road | Carmel | CA | 93923 | US | |
| 21 | 530 | Oaks Bridge Club EB | 201 13th St | Monterey | CA | 93933 | US | |
| 21 | 530 | The Pines Bridge Club | Carmel Womens Club | PO Box 2674 | Carmel | CA | 93921 | US |
| 21 | 545 | Castle Bridge Club | 851 West 23rd Street | Merced | CA | 95340 | US | |
| 21 | 545 | Merced Bridge | Senior Citizens Center | 541 E 23rd St | Merced | CA | 95348 | US |
| 21 | 545 | Turlock Bridge Club | 201 W Glenwood Ave | Turlock | CA | 95350 | US | |
| 21 | 545 | Yosemite Bridge Club | Merced Women's Club House | 707 W 22nd Street | Merced | CA | 95340 | US |
| 21 | 550 | Bernie's Bridge Club | 720 C Capitola Ave #C | Capitola | CA | 95010 | US | |
| 21 | 550 | Eureka Bridge Club | 720 E Capitola Ave | Capitola | CA | 95012 | US | |
| 21 | 550 | Monarch Bridge Club | 720 C Capitola Ave | Capitola | CA | 95010 | US | |
| 21 | 550 | Santa Cruz Bridge Club | 720 E Capitola Ave | Capitola | CA | 95010 | US | |
| 21 | 550 | The Bid 'Em up Bridge Club | 720 E Capitola Avenue | Capitola | CA | 95010 | US |