| Covenant Constructors | Covenant Constructors | — | (760) 594 2616 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Cover All Painting Services | Luis Alberto Martinez | — | (760) 580 4181 | Windows, patio, painters | Escondido · San Diego County | — | — |
| Cover Lux Glass | Victor Manuel Limon | — | (619) 275 7853 | Windows, patio, painters | Chula Vista · San Diego County | — | — |
| Coverall Garage Doors INC | Adam Joseph Booton | — | (760) 402-3606 | Other | Vista · San Diego County | — | — |
| Coverall Plumbing | Coverall Plumbing | — | (619) 240 6934 | Other | Chula Vista · San Diego County | — | — |
| Coveted Construction & Consulting | Spencer Harold James Willhoit | buildzoomsupport@blockrenovation.com | (858) 381 7200 | GC, remodel, ADU | Bonsall · San Diego County | — | — |
| Cowan Hardwood Flooring | Cowan Hardwood Flooring | — | (760) 533 7768 | Other | San Marcos · San Diego County | — | — |
| Cowboy Concrete | Cowboy Concrete | interested@domainmarket.com | (951) 265 3087 | Other | Valley Center · San Diego County | — | — |
| Cowboys Construction | David De Los Santo Flores | — | (760) 747 6890 | Other roofers | San Marcos · San Diego County | — | — |
| Cox Construction Co | Mark William Weiand | — | (760) 727 9020 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Cox Painting | Cox Painting | — | (619) 246 4330 | Windows, patio, painters | Lakeside · San Diego County | — | — |
| Cox Property Inspection Services INC DBA Elevated Construction | Joe David Iii Cox | — | (619) 504 8031 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cox Rooter & Fast Fix Plumbing | Cox Venantius | — | (619) 440 4424 | Other | San Diego · San Diego County | — | — |
| Coyote Drain Services & Plumbing | Luis Enrique Ortega | — | (760) 234 4803 | Other | Escondido · San Diego County | — | — |
| Cp Manufacturing LLC | Michael Timothy Whitney | — | (619) 477 3175 | Other | San Diego · San Diego County | — | — |
| Cpc Pools INC DBA Cpc Pool Service | Sandra Leigh Chrisman | — | (619) 347 8533 | Pool | San Diego · San Diego County | — | — |
| Cpm Project Management LLC | Christopher Jan Miechowski | guy@infinitydesignbuild.com | (760) 420 2768 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Cpr Water Damage Remediation | Carlos Omar Paredes Gutierrez | — | (619) 757 5633 | Restoration | San Diego · San Diego County | — | — |
| Cps Painting Services INC | Isaac Aguinaga | — | (858) 354 3054 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Cq Signs | Cq Signs | — | (619) 518 4877 | Other | San Diego · San Diego County | — | — |
| Cr Insulation INC | Jesus Rodrigo Corona | — | (760) 213 7497 | Other | San Marcos · San Diego County | — | — |
| Cr Plumbing | Cr Plumbing | — | (766) 630 9368 | Other | Vista · San Diego County | — | — |
| Cr Plumbing & Drains | Carlos Rivera | — | (619) 806 6438 | Other | San Diego · San Diego County | — | — |
| Cr Specialty Insulation INC | Jesus Rodrigo Corona | — | (760) 213 7497 | Other | San Diego · San Diego County | — | — |
| Cr9 Waterproofing & Paint INC | Cresencio Ramos | — | (619) 851 6173 | Windows, patio, painters | Spring Valley · San Diego County | — | — |
| Craft Home Remodeling | Joey Joseph Dahan | buildzoomsupport@blockrenovation.com | (858) 888 9139 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Craft Homes | Craft Homes | — | (760) 622 5961 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Craftech INC | Tanner Burke Connely | aqremodeling2@gmail.com | (619) 302 2676 | GC, remodel, ADU | Spring Valley · San Diego County | — | — |
| Crafted Building Solutions | Crafted Building Solutions | davidanthonylessard@gmail.com | (760) 277 0242 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Crafted Comfort Construction INC | Roman Fishchuk | — | (773) 469 6546 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Crafters Fence INC | Jarrett Lynn Young | — | (619) 561 0226 | Other | Lakeside · San Diego County | — | — |
| Craftsman Electric LLC | Joseph Patrick Sauriol | craftsmanelect@gmail.com | (858) 210 5032 | Electricians | Poway · San Diego County | — | — |
| Craftsman Foundation Repair | Lawrence Stevens Teves | — | (619) 295 1230 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Craftsman Group INC | Pesach Simcha Woonteiler | — | (619) 569 9799 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Craftsman Home Builders LLC | Paul Anthony Trimble | jtrimble@craftsmanhb.com | (619) 873 8024 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Craftsman Pacific Construction | Clinton Hoke Onorato | — | (619) 758 5432 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Craftsman Painting | Craftsman Painting | interested@domainmarket.com | (760) 758 5929 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| Craftsman Painting | Craftsman Painting | interested@domainmarket.com | (619) 992 7786 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Craftsman Stone And Tile | Craftsman Stone And Tile | — | (858) 354 3417 | Other | Encinitas · San Diego County | — | — |
| Craftsmen Construction | Daniel Sheridan Iii Hayes | — | (858) 505 8855 | GC, remodel, ADU | San Diego · San Diego County | — | — |