| Cerulean Construction INC | Michael Charles Hoffman | — | (510) 697 3218 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Cesar Lara Roofing INC | Lara Cesar Hernandez | — | (510) 294 9534 | Other roofers | San Lorenzo · Alameda County | — | — |
| Cgt Electric LLC | Cesar Augusto Gonzalez Tapia | cgtelectric@gmail.com | (510) 584 6452 | Electricians | Oakland · Alameda County | — | — |
| Ch Construction Services INC | Jose Maria Anguiano Soto | — | (510) 256 6087 | GC, remodel, ADU | Dublin · Alameda County | — | — |
| Chain Link Fence & Supply INC | Kenneth Ronald Stanley | — | (925) 606 8167 | Other | Livermore · Alameda County | — | — |
| Chaix Company | Denis Craig Chaix | — | (510) 261 7300 | Other | Oakland · Alameda County | — | — |
| Challenge Rooter | Calmo Perez Eucebio | challengerooter@gmail.com | (510) 877 2050 | Other | Oakland · Alameda County | — | — |
| Chambers General Construction INC | Shelvery Lee Chambers | — | (510) 569 3081 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Champion Contractors | Contractors INC Silverado | — | (510) 658 9960 | GC, remodel, ADU | Emeryville · Alameda County | — | — |
| Champion Demolition INC | Jose Antonio Anaya Mondragon | — | (510) 478 4884 | Other | Hayward · Alameda County | — | — |
| Champion Electric | Kevin James Kuester | interested@domainmarket.com | (510) 894 0205 | Electricians | Fremont · Alameda County | — | — |
| Champion Scaffold Services INC | Arthur Joseph Cruz | — | (510) 788 4731 | Other | Berkeley · Alameda County | — | — |
| Champions Commercial Refrigeration | Champions Commercial Refrigeration | — | (510) 962 2781 | HVAC | Hayward · Alameda County | — | — |
| Chana Construction INC | Devinder Singh Chana | dschana@chanaconstruction.com | (510) 487 3254 | GC, remodel, ADU | Union City · Alameda County | — | — |
| Chand Grewal | Chand Grewal | — | (920) 327 9324 | Electricians | Union City · Alameda County | — | — |
| Chanderh INC DBA Max Construction | Mohinder Singh Chanderh | — | (510) 415 4580 | Electricians | Dublin · Alameda County | — | — |
| Chandler Building | Chandler Building | — | (510) 252 1956 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Channel Systems INC | Lauren Vicki Bockmiller | support@deltronix.com | (510) 568 7170 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Chaparral Controls | Chaparral Controls | — | (510) 220 2370 | Electricians | Pleasanton · Alameda County | — | — |
| Chappie's Building Construction INC | Michael Oneil Lewis | — | (510) 366 0426 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Chargelab Charging Station | Chargelab Charging Station | — | (800) 636-0986 | EV chargers | Carlsbad · Alameda County | — | — |
| Charles Campbell | Charles Campbell | — | (510) 558 0752 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Charles Edward Steidtmann Iii | Charles Edward Steidtmann Iii | — | (510) 332 8442 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Charles Edwin Roberts | Charles Edwin Roberts | — | (510) 325 1886 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Charles H Pierson Construction | Charles Herman Pierson | — | (510) 427 4337 | GC, remodel, ADU | San Lorenzo · Alameda County | — | — |
| Charles In Charge | Charles In Charge | — | (951) 543 7202 | Electricians | Oakland · Alameda County | — | — |
| Charles J Suhay | Charles J Suhay | — | (925) 931 1937 | Other | Livermore · Alameda County | — | — |
| Charles Leonard Decorative Finishes Painting | Charles Leonard Decorative Finishes Painting | — | (510) 541 1616 | Windows, patio, painters | Emeryville · Alameda County | — | — |
| Charlie Dunn & Sons INC | Charles William Ii Dunn | — | (925) 443 2471 | Other | Livermore · Alameda County | — | — |
| Charlie's Schnelle Construction | Charles John Matur | — | (510) 453 4207 | GC, remodel, ADU | Union City · Alameda County | — | — |
| Charmed Painting | Charmed Painting | — | (510) 502 3073 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Chase Coil Protection | Edgar Joseph Chase | — | (510) 228 1100 | HVAC | San Leandro · Alameda County | — | — |
| Chase Contracting INC DBA Quality Air Services | Edgar Joseph Chase | — | (510) 728 7700 | HVAC | San Leandro · Alameda County | — | — |
| Chase Electric | Khaled Ghazal | info@chaseelectric.com | (510) 390 1162 | Electricians | Pleasanton · Alameda County | — | — |
| Chateau Electric INC | George Austin Jr Morris | — | (925) 292 4179 | Electricians | Livermore · Alameda County | — | — |
| Chatfield Plumbing | Chatfield Plumbing | — | (415) 235 8438 | Other | Oakland · Alameda County | — | — |
| Chau's Landscaping | Chau's Landscaping | — | (510) 828 9027 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Chavarria's Electric INC | Luis Manuel Chavarria Rodriguez | — | (510) 257 1267 | Electricians | Oakland · Alameda County | — | — |
| Chavez Construction & Landscaping | Rodolfo Aguirre Chavez | — | (650) 704 5930 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Chavo Painting | Chavo Painting | chavopainting@gmail.com | (510) 825 9436 | Windows, patio, painters | Hayward · Alameda County | — | — |