| Certified Concrete INC | Garett Wayne Hostetler | tom@atomicpx.com | (760) 745 7337 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Certified Construction Services INC | David Jerzy Brzeszcz | interested@domainmarket.com | (760) 224 9463 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Certified Electric Incorporated | Morris Michael Weisblatt | — | (858) 486 1295 | Electricians | Poway · San Diego County | — | — |
| Certified Flooring Company | Colby Thomas Nation | — | (619) 508 0285 | Other | El Cajon · San Diego County | — | — |
| Certified Group Contracting INC | Herrera Charbel Reyes | — | (775) 760 9575 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Certified Restoration | Fahouris Michael | service@certifiedrestorationinc.com | (619) 234 2500 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cerulli Constuction | Charles Samuel Iii Cerulli | — | (760) 468 1161 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Cerutti Construction | Anthony Dominic Cerutti | — | (619) 916 7925 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Cervantes Custom Tile | Cervantes Custom Tile | — | (760) 745 1792 | Other | Escondido · San Diego County | — | — |
| Cervantes Enterprises Group INC | Israel Luis Armando Cervantes | — | (619) 341 9319 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cervantes General Builders INC | Karely Consuelo Cervantes | — | (760) 805 6677 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Cervantes Masonry Corp | Resendiz Francisco Cervantes | — | (760) 755 8283 | Other | San Marcos · San Diego County | — | — |
| Cesar Alvarado-macias | Cesar Alvarado-macias | — | (760) 330 7561 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Cesar Arenas | Cesar Arenas | info@christianroofing.com | (619) 674 5543 | Other roofers | Vista · San Diego County | — | — |
| Cesar Armenta Construction | Armenta Cesar | — | (619) 952 3573 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Cesar Construction | Julio Cesar Romero | — | (619) 316 5484 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cesar Custom Painting | Cesar Custom Painting | — | (619) 600 6959 | Windows, patio, painters | La Mesa · San Diego County | — | — |
| Cesar Escalante | Cesar Escalante | — | (619) 719 3608 | Windows, patio, painters | Chula Vista · San Diego County | — | — |
| Cesar F Nillaga | Cesar F Nillaga | contact@claycoelectric.org | (619) 320 9143 | Electricians | Alpine · San Diego County | — | — |
| Cesar Huerta | Cesar Huerta | — | (760) 525 3969 | Windows, patio, painters | Carlsbad · San Diego County | — | — |
| Cesar Rodriguez | Cesar Rodriguez | — | (760) 415 9731 | Other | Vista · San Diego County | — | — |
| Cesar's Tree Service INC | Zuniga Edwin Manjarrez | — | (760) 803 4126 | Tree | Escondido · San Diego County | — | — |
| Cescolini Electrical | David Brian Cescolini | — | (619) 253 5810 | Electricians | San Diego · San Diego County | — | — |
| Cesena Hardwood | Cesena Hardwood | — | (619) 517 0593 | Other | San Diego · San Diego County | — | — |
| Cet Electric | Cesar Augusto Uribe | — | (619) 934 8626 | Electricians | San Diego · San Diego County | — | — |
| Ceus Roofing & Painting INC | Emmanuel Uziel Sanchez-Cortes | — | (619) 379 5191 | Other roofers | Spring Valley · San Diego County | — | — |
| Cfi Contracting | Nathaniel William Mallory | — | (619) 821 0491 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Cfm Systems INC DBA Chill Factor Mechanical | Martinez David | — | (619) 455 0701 | HVAC | San Diego · San Diego County | — | — |
| Cg Pro Painting | Cg Pro Painting | info@cgpropaintingsd.com | (619) 386 0694 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Cge Builds INC | Christopher Lee Elders | info@cgebuilds.com | (619) 886 5072 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cgm Construction INC | Marquez Christopher Marquez | — | (619) 274 6187 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Cgo Construction | Sheri Lynn Ortiz | willy@cgo-construction.com | (619) 921-9362 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Cgp Maintenance & Construction Services INC | Loren James Robinson | — | (858) 454 7326 | GC, remodel, ADU | Santee · San Diego County | — | — |
| Cgs Renovations | James Alexander Snyder | — | (619) 813 9219 | GC, remodel, ADU | National City · San Diego County | — | — |
| Ch Court Tech INC | James Corey| Hardick Corey James Hardick | office@chcourttech.com | (858) 564 9551 | Other | San Diego · San Diego County | — | — |
| Chaco Locksmith Services | Francisco Thomas Chaco | — | (619) 241 5277 | Other | Bonita · San Diego County | — | — |
| Chad Gilbert | Chad Gilbert | gilbertconstruction@cox.net | (619) 561 0875 | GC, remodel, ADU | Alpine · San Diego County | — | — |
| Chad Grimm Construction INC | Chad Phillip Grimm | c.grimm@yahoo.com | (760) 274 4226 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| Chad M Hoh | Chad M Hoh | — | (619) 571 4399 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Chad Schwersensky Plumbing | Chad Schwersensky Plumbing | — | (619) 520 4396 | Other | Fallbrook · San Diego County | — | — |