| Cn Electric Power INC | Christopher Hung Nguyen | — | (408) 912 6305 | HVAC | San Jose · Santa Clara County | — | — |
| Cnc Stoneworks INC DBA Cnc Countertops | Peter Brandon Jones | — | (650) 451 5251 | Other | San Jose · Santa Clara County | — | — |
| Cne Construction Incorporation | Can Fa Chen | — | (408) 726 2956 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cnetcom INC | Nha Vu Nguyen | — | (408) 409 6740 | Other | San Jose · Santa Clara County | — | — |
| Cnk Construction INC | Suck Yong Kang | — | (408) 857 7374 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Coast Painting | Coast Painting | coastpainting@gmail.com | (408) 219 7044 | Windows, patio, painters | Los Gatos · Santa Clara County | — | — |
| Coastal Creations Construction And Developing | Thomas Michael Davis | — | (408) 314 3548 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Coastal Electric INC | David Joseph Sharkey | — | (251) 432-0644 | Electricians | San Jose · Santa Clara County | — | — |
| Coastal Lumber | James Lawrence Zubillaga | residentialsales@coastal-lumber.com | (408) 995 0791 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Coastline Cabinets | Coastline Cabinets | hello@coastlinecabinets.com | (408) 371 7748 | Other | Campbell · Santa Clara County | — | — |
| Cobalt Construction Company | Rodney Clark Bliss | — | (408) 272 8080 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cobe Construction INC | Benjamin Richard Olson | — | (408) 371 3400 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Cocos Landscaping | Cocos Landscaping | — | (650) 333 4169 | Windows, patio, painters | San Martin · Santa Clara County | — | — |
| Colby Cox Construction | Colby David Cox | — | (805) 835 5293 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Cold Craft INC | Daryl John Demanawa | — | (408) 374 7292 | HVAC | Los Gatos · Santa Clara County | — | — |
| Colebank Construction | Quinter George Bigelow | — | (408) 640 4482 | Other | Gilroy · Santa Clara County | — | — |
| Coleman Construction Management | Troy Eugene Coleman | — | (408) 608 4927 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Coleman Painting | Coleman Painting | — | (408) 608 7206 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Colibri Construction & Design | Pezzia Renzo | — | (408) 390 7897 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Colony Landscape & Maintenance INC | Edward Leo Ott | — | (408) 941 1090 | Windows, patio, painters | Alviso · Santa Clara County | — | — |
| Color Pros INC | Ramon Jr Coria | — | (408) 464 7665 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| Color View Painting INC | Farias Lara Rigoberto | — | (650) 219 3542 | Windows, patio, painters | Mountain View · Santa Clara County | — | — |
| Color Wheel Painting INC | Thanh Truong Lam | — | (408) 203 3176 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Colorfusion Painting | Colorfusion Painting | — | (669) 264 3044 | Windows, patio, painters | Sunnyvale · Santa Clara County | — | — |
| Colorscape Landscape Services INC | Anselmo| Renter Ia Anselmo Ruelas Ruelas Renteria | — | (408) 904 8085 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Comada Paving Company | Alfred Steve Trejo Salguera | — | (888) 273 0077 | Other | Santa Clara · Santa Clara County | — | — |
| Comeau Construction | Paul Henry Comeau | randy@comeauconstruction.com | (408) 710 3941 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Comet Plumbing And Sewer Company | Andrew Peter Rhodes | — | (408) 502 0932 | Other | Sunnyvale · Santa Clara County | — | — |
| Comfort Air HVAC INC | Junior Omar Melgar Melgar | — | (408) 661 4539 | HVAC | San Jose · Santa Clara County | — | — |
| Comfort Eco A/c INC | Ding Jingqiang | — | (408) 766 8899 | HVAC | San Jose · Santa Clara County | — | — |
| Comfort Energy INC | Harold Blaine Abbott | — | (408) 263 3100 | HVAC | Milpitas · Santa Clara County | — | — |
| Comfort Heating And Cooling INC | Alberto Antonio Duran | — | (408) 722 5821 | HVAC | Morgan Hill · Santa Clara County | — | — |
| Comfort International INC | Pong Alan | interested@domainmarket.com | (888) 518 1118 | HVAC | San Jose · Santa Clara County | — | — |
| Commercial Air Services INC | Jorge Luis Gutierrez | — | (866) 723 4948 | HVAC | Gilroy · Santa Clara County | — | — |
| Commercial Floor Surfaces INC | Juan Carlos Tamayo | — | (408) 512 9961 | Other | San Jose · Santa Clara County | — | — |
| Commercial Painting INC | Luis Alonso Ponce Bustillos | — | (408) 210 6065 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Commercial Pool & Spa Service | Monroe John | — | (408) 206 6032 | Pool | San Jose · Santa Clara County | — | — |
| Commercial Seating Specialists INC | James Edward Day | — | (408) 453 8983 | Other | Santa Clara · Santa Clara County | — | — |
| Commercial Tree Care | Commercial Tree Care | — | (408) 985-8733 | Tree | San Jose · Santa Clara County | — | — |
| Common Ground Landscape Management INC | William Edmund Jauch | — | (408) 278 9807 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |