| Cavassa Homes LLC | Mark Anthony Cavassa | cavassahomes@gmail.com | (760) 715 5121 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Caves Countertops | Caves Countertops | — | (760) 828 1749 | Other | Oceanside · San Diego County | — | — |
| Cavicke Chris Ptg INC | Christopher Craig Cavicke | — | (858) 583 2508 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Cawkwell Construction INC | Noah James Cawkwell | — | (760) 453 4685 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Caxcan Concrete | Caxcan Concrete | — | (760) 807 3445 | Other | Escondido · San Diego County | — | — |
| Cb Custom Contruction INC | Christian Lee Bartle | guy@infinitydesignbuild.com | (619) 541 5496 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cb Custom Pools | Cb Custom Pools | chris@cbcustompools.com | (714) 612 8785 | Pool | Oceanside · San Diego County | — | — |
| Cb Electric | Robert Paul Carty | — | (619) 804 6855 | Electricians | Santee · San Diego County | — | — |
| Cb Metalworks | Cb Metalworks | — | (619) 403 1419 | Other | Lakeside · San Diego County | — | — |
| Cb Power INC | Chris | contact@claycoelectric.org | (619) 788 3027 | Electricians | Jamul · San Diego County | — | — |
| Cbass Electric | Henriquez Teran Sebastian | cbasselectric@gmail.com | (619) 763 5578 | Electricians | Spring Valley · San Diego County | — | — |
| Cbg Remodeling INC | Jorge Alberto Jr Quezada | — | (619) 891 0356 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Cbh Construction | Carolyn Anne Biggs-Harris | — | (619) 337 8033 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cbh Construction INC | Codis Boyd Iii Harvey | aqremodeling2@gmail.com | (619) 994 7955 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cbr Industries LLC | Ryan Edward Clark | ryan@cbrindustries.com | (760) 638 6125 | Pool | Escondido · San Diego County | — | — |
| Cbre Scientific Solutions,llc | William Andrew Barry | — | (619) 562 8852 | HVAC | El Cajon · San Diego County | — | — |
| Cbs Construction | Michael Eric Scolman | — | (858) 775 7753 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Cbs Window And Door INC | Thomas Jarvis Young | — | (760) 727 8222 | Windows, patio, painters | Vista · San Diego County | — | — |
| Cc General Contractor INC | Christian Aramis Juarez | guy@infinitydesignbuild.com | (619) 395 4807 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Cc Painting | Cc Painting | — | (619) 779 5315 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Cc Turf & Hardscape LLC | Xavier Catalan | — | (760) 512 5612 | Windows, patio, painters | Escondido · San Diego County | — | — |
| Ccc Pool Services INC | Terri Elizabeth Hooper | — | (760) 736 7665 | Pool | San Marcos · San Diego County | — | — |
| Ccd Group Electric | Richard Bradley Mason | eddie.haro@electricare.com | (800) 485 4027 | Electricians | Oceanside · San Diego County | — | — |
| Ccw INC | Gilberto Jr Diaz | — | (760) 809 7646 | Pool | Bonsall · San Diego County | — | — |
| Cd Pro Plumbing Solutions | Cd Pro Plumbing Solutions | — | (760) 697 2050 | Other | Valley Center · San Diego County | — | — |
| Cdc Cole Davis Construction | Cole Matthew Davis | — | (858) 756 6797 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| Cdm - Filanc Jv | Filanc | — | (303) 383 2454 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| Cdm Construction | Chad David Moody | — | (619) 504 6870 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Cec Electric INC | Brittany Anne Giacalone | — | (619) 701 0700 | Electricians | San Diego · San Diego County | — | — |
| Cecilia's Safety Service INC | Cecilia Kathleen Ostlund | — | (858) 793 4465 | Other | Vista · San Diego County | — | — |
| Ced Glenn Mechanical LLC | Cedrick Lashun Glenn | cedrick@cedglennmechanical.com | (619) 322 7193 | HVAC | El Cajon · San Diego County | — | — |
| Cedano's Painting | Roberto O Cedano Tapia | — | (619) 882 5643 | Windows, patio, painters | Chula Vista · San Diego County | — | — |
| Cedillo's Construction INC DBA Cedillo's Framing | Cedillo Martinez Cesar | — | (760) 755 3511 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Cedora Flooring INC | Luis Enrique Jr Celaya | — | (619) 695 9876 | Other | San Diego · San Diego County | — | — |
| Cedrus Custom Design LLC | Chase Andrew Ryan | — | (760) 213 4397 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Ceiling City INC | Navid Poorshahrezaei | — | (760) 294 0907 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Ceilings Pacific | Ceilings Pacific | — | (619) 384 9808 | Other | San Diego · San Diego County | — | — |
| Ceja Builders INC | Edgar Adrian Ceja-Padilla | guy@infinitydesignbuild.com | (619) 382 9146 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Celedon Builders INC | Christopher David Celedon | chris@celedonbuilders.org | (619) 494 7363 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Celes Painting | Celes Painting | — | (619) 366 6650 | Windows, patio, painters | San Diego · San Diego County | — | — |