| Communication Network Resource INC | Cosio Richard | — | (408) 417 7094 | Other | Milpitas · Santa Clara County | — | — |
| Compass Construction INC | Bih-jiun Lin Chin | — | (408) 313 3146 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Compass Development And Construction INC | William Aviles | — | (408) 674 5647 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Compass Home Inspections L.l.c. | Compass Home Inspections L.l.c. | — | (408) 980-7177 | Inspectors | San Jose · Santa Clara County | — | — |
| Compassx Builders | Peng Du | — | (510) 415 5834 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Competitive Construction INC | Steven Travis Olivares | — | (408) 718 4440 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Complete Construction Roofing & Solar | Complete Construction Roofing & Solar | — | (408) 472-6972 | Other roofers | Santa Clara · Santa Clara County | — | — |
| Complete Professional Restoration | Complete Professional Restoration | — | (408) 262 2700 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Completed Concepts | Completed Concepts | — | (408) 655 3881 | Electricians | San Jose · Santa Clara County | — | — |
| Completion Of Vision INC | Yaniv Shmelzer | — | (408) 650 2794 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Compliments Cabinetry INC | Delgado Javier Tovar | — | (408) 561 1075 | Other | Gilroy · Santa Clara County | — | — |
| Comstock's Of California INC | Ronald Wayne Comstock | — | (408) 286 5585 | Other | San Jose · Santa Clara County | — | — |
| Concept Materials INC | Gennadiy L Spektor | — | (415) 713 7407 | Other | San Jose · Santa Clara County | — | — |
| Concore Development Group INC | Eslami Aliasghar | — | (925) 435 5877 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Concrete Logix LLC | Ashley Ky Roth | ashley@concretelogix.com | (408) 476 0078 | Other | San Jose · Santa Clara County | — | — |
| Concrete Services | Fred Paul Jr Batrez | — | (408) 840 1933 | Other | Gilroy · Santa Clara County | — | — |
| Concrete Shells | Donald Leonard Sollars | — | (408) 416 1153 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Concrete Solutions | Concrete Solutions | — | (408) 836 2413 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Condo Vista Landscape | Condo Vista Landscape | — | (408) 398 7215 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Coney Construction | Eric Burke Coney | — | (530) 520 1915 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Confidence Landscaping INC | Jeffrey William Sheehan | — | (408) 559 1800 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| Cong Ly Hoang | Cong Ly Hoang | — | (408) 859 5501 | Electricians | San Jose · Santa Clara County | — | — |
| Conklin Bros Of San Jose INC | Rick Oderio | — | (408) 266 2250 | Other | San Jose · Santa Clara County | — | — |
| Conklin Const | Conklin Const | — | (408) 761 4263 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Conrad Electrical INC | William Conrad Smallwood | — | (831) 265 1178 | Electricians | Morgan Hill · Santa Clara County | — | — |
| Consigliare Construction INC | Timothy John Pasquinelli | — | (408) 260 1520 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Console Home Improvements INC | Kostiantyn Shyfruk | — | (650) 789 4872 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Consolidated Electrical Construction INC | Riad Basim Dudum | — | (415) 566 4927 | Electricians | Moffett Field · Santa Clara County | — | — |
| Constantin Construction | Lapustea Constantin | — | (408) 888 6793 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Consteknik Builders | Consteknik Builders | — | (408) 561 6965 | Electricians | San Jose · Santa Clara County | — | — |
| Construct One Construction INC | Brian Lee Mc Clure | — | (408) 439 9548 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Construction By Meyer | Raymond Paul Iii Meyer | sales@constructionbymeyer.com | (650) 968 7866 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Construction Cms | Christopher Mario Scola | info@constructioncms.com | (408) 314 0683 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Construction Dynamics | Brian Edward Rooney | — | (408) 209 1391 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Construction Management And Development | Terry Carl Riecken | — | (408) 286 0410 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Construction Management Group International | Steven Lindsay Smith | — | (408) 417 1887 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Construction On Time INC | Luckiewicz Peter | info@constructionontime.com | (408) 209 1799 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Construction Pros Ml | Espino Martin Lemuz | prosmlconstruction@hotmail.com | (408) 920 7718 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Construction With Style INC | Basel Ahmad Marie | ben@constructionwithstyle.com | (669) 799 6020 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Constructive Construction Company INC | Ray Salmasi | — | (408) 736 9696 | Other | Sunnyvale · Santa Clara County | — | — |