| Caracoustics | Caracoustics | — | (408) 866-1250 | Alarm and generators | Santa Clara · Santa Clara County | — | — |
| Carbella's Painting INC | Juan Carlos Barragan Alvarado | — | (669) 224 5787 | Windows, patio, painters | Los Gatos · Santa Clara County | — | — |
| Cardenas Custom Homes INC | Carlos Noel Cardenas Chavez | — | (408) 841 6235 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cardinal Custom Construction INC | David Seth Madwed | gocardinalconstruction@gmail.com | (651) 714 5103 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Cardinal Plumbing Solution | Cardinal Plumbing Solution | — | (408) 646 4211 | Other | San Jose · Santa Clara County | — | — |
| Cardoza Construction Company | Cardoza Humberto | — | (650) 964 7272 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Caringello Electric INC | Florence May Caringello | — | (408) 243 0916 | Electricians | San Jose · Santa Clara County | — | — |
| Carl Gullett Asphalt Improvement | Carl Gullett Asphalt Improvement | — | (408) 807 0654 | Other | San Jose · Santa Clara County | — | — |
| Carl Wilson | Carl Wilson | — | (408) 821 7873 | Other | San Jose · Santa Clara County | — | — |
| Carlos Garage Door Services | Omer Malka | — | (408) 638 1441 | Other | San Jose · Santa Clara County | — | — |
| Carlson Management And Construction INC | Samuel Ernest Carlson | — | (925) 766 1460 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Caro Custom Construction | Rigoberto Iii Caro | — | (408) 762 8187 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Carpenter Construction | Donald Duane Carpenter | — | (408) 687 7679 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Carpenter Son | Carpenter Son | — | (650) 427 9898 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Carpet Avenue & Floors | Carpet Avenue & Floors | — | (408) 839 3207 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Carpetworks INC | Christopher Nicholas Berg | — | (650) 424 9040 | Other | Palo Alto · Santa Clara County | — | — |
| Carrillo Framing Corp | Jose De Jesus Carrillo Villegas | — | (650) 447 6879 | Other | Mountain View · Santa Clara County | — | — |
| Carus Group America INC | Daniel Yunlong Sun | — | (415) 606 7738 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Carusa Construction Company | Martin Michael Carusa | — | (510) 676 4959 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Cas Electric | Curtis Alan Swartz | — | (408) 252 9509 | Electricians | Saratoga · Santa Clara County | — | — |
| Casa Bella Construction | Dieguez Alfonso | — | (408) 515 8907 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Casa Bonita Construction | Orlando Misael Hernandez Vasquez | — | (650) 465 0567 | GC, remodel, ADU | E Palo Alto · Santa Clara County | — | — |
| Casa Lyon Remodeling INC | Alfonso Cuesta | — | (954) 290 3464 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Casa Nueva Renovation INC | Jesus Juan Diego Solis Aguayo | solisgc1988@gmail.com | (408) 807 6026 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Casa Utopia Builders INC | Kristian Mark Hartman | — | (408) 457 8484 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Casaccia Construction LLC | Steven Roy Casaccia | — | (408) 828 8961 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Cascade Refrigeration Service & Repair LLC | Perry Franklin Kent | — | (408) 887 3058 | HVAC | San Jose · Santa Clara County | — | — |
| Casillas Painting | Casillas Painting | casillas.hugo@yahoo.com | (408) 307 9345 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| Casillas Painting Co | Jose Angel Casillas Lopez | casillas.hugo@yahoo.com | (408) 889 3856 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Casita Development Company INC | Peter Barrett Baltay | — | (650) 600 9050 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Caspian Plus | Caspian Plus | — | (408) 709 6580 | Electricians | San Jose · Santa Clara County | — | — |
| Castillo Carpentry | Castillo Carpentry | — | (650) 679 2307 | Other | East Palo Alto · Santa Clara County | — | — |
| Castillo Construction | Fabian Juan Castillo Figueroa | wweeiihhuuaanngg@gmail.com | (650) 630 6043 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| Castillo Construction | Jesse Michael Castillo | wweeiihhuuaanngg@gmail.com | (408) 406 3696 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| Castillo Construction & Remodeling Company | Jose Silverio Castillo | — | (408) 655 3289 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Castillo Flooring Pro | Castillo Flooring Pro | — | (831) 313 6333 | Other | Gilroy · Santa Clara County | — | — |
| Castillo Mgt Slab And Tile | Castillo Mgt Slab And Tile | — | (408) 506 5722 | Other | San Jose · Santa Clara County | — | — |
| Castillos Contracting Corp | Castillo Rodriguez Juan Carlos | — | (408) 390 9438 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Castle Plumbing | Castle Plumbing | — | (408) 528 1331 | Other | San Jose · Santa Clara County | — | — |
| Castle Pumping & Plumbing Services | Francisco Javier Castillo-becerril | — | (408) 417 3091 | Other | San Jose · Santa Clara County | — | — |