| Coronel Construction INC | Jesus Carrillo Quiroz | — | (408) 355 3487 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Coronel Landscaping INC | Coronel David Perez | — | (650) 771 5183 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Corporate Electric INC | Randy Joseph Nicolosi | — | (408) 723 8100 | Electricians | San Jose · Santa Clara County | — | — |
| Corporate Furniture Solutions | Steven Glen Jarka | — | (408) 627 4111 | Other | San Jose · Santa Clara County | — | — |
| Corporate Sign Systems INC | Danny John Moran | — | (408) 292 1600 | Other | Santa Clara · Santa Clara County | — | — |
| Cortes Builder INC | Hector Hernan Cortes Uribe | — | (408) 592 7218 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cortes Concrete Services INC | Maldonado David Cortes | — | (669) 239 5135 | Other | Gilroy · Santa Clara County | — | — |
| Cortes Electric | Cortes Eduardo | — | (408) 649 9003 | Electricians | San Jose · Santa Clara County | — | — |
| Cortez Builders INC | Emanuel Cortez | — | (408) 666 1495 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cortez Tile | Cortez Tile | — | (408) 627 9725 | Other | San Jose · Santa Clara County | — | — |
| Cosmo Construction INC | Thang Duc Vu | — | (408) 595 9036 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Cosmos Roofing INC | Oceguera Alejandro | info@cosmosroofing.com | (650) 969 7663 | Other roofers | Mountain View · Santa Clara County | — | — |
| Coss Construction Co | Coss Adan | — | (408) 905 6441 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cost Less Heating And Cooling INC | Jessica Roseanna Martinez | — | (408) 823 7221 | HVAC | Milpitas · Santa Clara County | — | — |
| Costless Drain & Plumbing | Costless Drain & Plumbing | — | (408) 663 0139 | Other | San Jose · Santa Clara County | — | — |
| Cotfort Residential Remodeling INC | Madina Rasullu | — | (650) 770 3263 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cottage Floors INC | Mota Noe Baez | — | (408) 842 0215 | Other | Gilroy · Santa Clara County | — | — |
| Cottas Builders INC | Gerold Lee Claiborne | — | (408) 422 0093 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Cougar Construction | Joseph Escatel | — | (408) 655 4062 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Coulter Construction INC | Laurie Patrice Coulter | — | (650) 964 8229 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| County Construction INC | Audel Balladares | — | (650) 463 6367 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Courtesy Electric | Mike Jose Valenzuela | — | (408) 509 1017 | Electricians | Sunnyvale · Santa Clara County | — | — |
| Courtois Construction | Scott Charles Courtois | — | (408) 499 7955 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Courtteck Resurfacing | Courtteck Resurfacing | — | (408) 823 1804 | Other | San Jose · Santa Clara County | — | — |
| Cox Bros Construction INC | William Clifford Cox | coxbr123@gmail.com | (650) 328 6404 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Coyote Construction INC | Jiayu Lin | — | (408) 816 8233 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Coyote Valley Air | Coyote Valley Air | — | (408) 476 1880 | HVAC | San Jose · Santa Clara County | — | — |
| Cozy House Forever Corporation | Ivan Ivanov | — | (408) 888 4959 | HVAC | San Jose · Santa Clara County | — | — |
| Cpe Construction | Hesiquio Pachuca Fernando | — | (415) 982 9175 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |
| Cpi Service | Alex Robert Hamilton | service@cpiservice.com | (408) 978 3093 | HVAC | San Jose · Santa Clara County | — | — |
| Cps Construction LLC | David Thomas Jones | — | (408) 607 8857 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Cr Marble & Granite INC | Juan Cienega | — | (408) 977 0757 | Other | Santa Clara · Santa Clara County | — | — |
| Craft Builders Construction | Christopher William Beck | — | (888) 497 6999 | Other roofers | Morgan Hill · Santa Clara County | — | — |
| Craft Remodeling INC | Shimon Sioma Gluzman | — | (650) 605 5992 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Craft Tile | Brandon Scott Davis | — | (408) 630 9212 | Other | San Jose · Santa Clara County | — | — |
| Craftsman Painting INC | Jesus Apolinar Guevara Contreras | interested@domainmarket.com | (408) 832 3775 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Craftsman Tile Techs INC | Javier Levic Montero Zacarias | — | (669) 255 6722 | Other | San Jose · Santa Clara County | — | — |
| Craftsmen Home Improvements Contractors INC | Stephan Joseph Tanczos | — | (408) 472 8703 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Craftsmen's Guild INC | Rad Matt Amini | koosha@cg.email | (408) 366 1000 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Craig A Rogers | Craig A Rogers | — | (408) 978 5484 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |