| Chase Building Corp | Shazly Tawfik Abdalla | — | (949) 919 4442 | GC, remodel, ADU | Irvine · Orange County | — | — |
| Chase Jeffrey Laakso | Chase Jeffrey Laakso | — | (949) 632 5938 | GC, remodel, ADU | Yorba Linda · Orange County | — | — |
| Chateau Interiors - California | James Parsons Jr Warmington | — | (949) 679 3100 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Chau Vu Electric | Bui Vu Ngoc Chau | — | (714) 425 4726 | Electricians | Westminster · Orange County | — | — |
| Chau's Construction INC | Hoang Khanh Chau | — | (714) 261 1984 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Chavez Construction | Chavez Alfonso | — | (949) 939 2325 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Chavez Custom Carpentry | Chavez Custom Carpentry | — | (949) 813 1771 | Other | Lake Forest · Orange County | — | — |
| Chavez Flooring Corp | Macias Roberto Chavez | — | (714) 401 1675 | Other | Santa Ana · Orange County | — | — |
| Chavez Painting | Antonio Sanchez-Chavez | — | (657) 556 6913 | Windows, patio, painters | Stanton · Orange County | — | — |
| Chavez Plastering Services | Chavez-perea Saul | — | (714) 397 5843 | Other | Garden Grove · Orange County | — | — |
| Chay Sok Taing | Chay Sok Taing | — | (714) 931 3299 | GC, remodel, ADU | Westminster · Orange County | — | — |
| Chb Electric | Hugo Ernesto Lepe | chrisbrewer@chbelectric.com | (657) 363 8120 | Electricians | Yorba Linda · Orange County | — | — |
| Chd Design Groups INC | Cheng Hsun Lin | — | (949) 243 0982 | GC, remodel, ADU | Irvine · Orange County | — | — |
| Check Your Shorts Electric Heating And Air LLC | Aguirre Alexander | — | (949) 338 9180 | HVAC | San Juan Capistrano · Orange County | — | — |
| Checkerprop Builders LLC | Temir Ismail Sacuy | — | (714) 878 3062 | GC, remodel, ADU | Laguna Beach · Orange County | — | — |
| Checkpoint Communications INC | Raecene Michelle Shoaff | interested@domainmarket.com | (714) 892 5050 | Electricians | Newport Beach · Orange County | — | — |
| Chefs Toys LLC | Christian Omar De La Cruz | — | (714) 665 2433 | Other | Fountain Valley · Orange County | — | — |
| Cheloletty Engineering INC | Ramiro Andy Acevedo | — | (714) 248 1285 | Other | Villa Park · Orange County | — | — |
| Chemotti's Construction | Richard Bernard Jr Chemotti | — | (818) 599 8098 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Cherie Ciotti-roco | Cherie Ciotti-roco | — | (714) 679 2002 | Windows, patio, painters | Corona Del Mar · Orange County | — | — |
| Cheryl L Alexander | Cheryl L Alexander | — | (714) 270 3312 | GC, remodel, ADU | Newport Beach · Orange County | — | — |
| Chesnut Construction INC | Dean Charles Chesnut | — | (949) 422 6952 | Other | Foothill Ranch · Orange County | — | — |
| Chewning Industries | James Michael Chewning | — | (714) 928 5910 | GC, remodel, ADU | Lake Forest · Orange County | — | — |
| Chi Construction | Mitch Darwish | — | (714) 758 1767 | Electricians | Fullerton · Orange County | — | — |
| Chi Trong Dao | Chi Trong Dao | — | (310) 422 4274 | GC, remodel, ADU | Westminster · Orange County | — | — |
| Chi Young Choi | Chi Young Choi | — | (909) 762 4885 | GC, remodel, ADU | La Habra · Orange County | — | — |
| Chiapuzio Electric | James Allen Chiapuzio | — | (714) 306 1505 | Electricians | Orange · Orange County | — | — |
| Chiaravalloti Construction INC | John Stephen Chiaravalloti | — | (714) 403 4108 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Chiarini Marble & Stone | Richard Philip Chiarini | — | (714) 547 5466 | Other | Santa Ana · Orange County | — | — |
| Chiarle Construction | Peter Nathaniel Chiarle | — | (714) 349 8635 | GC, remodel, ADU | Villa Park · Orange County | — | — |
| Chiarle Construction INC | Peter Nathaniel Chiarle | — | (714) 349 8635 | GC, remodel, ADU | Villa Park · Orange County | — | — |
| Chicas Construction | Julio Antonio Chicas | — | (562) 455 8582 | GC, remodel, ADU | La Palma · Orange County | — | — |
| Chico's Roofing | Marco Antonio Munoz Nieto | — | (323) 984 1873 | Other roofers | La Habra · Orange County | — | — |
| Chief Construction Services INC | Brian Alec Pambogo | — | (310) 990 1563 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Childs Play | Christopher Paul| Childs Chris Childs | paul@childs-play.com | (714) 603 7024 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Chill Out Air Conditioning | Chill Out Air Conditioning | support@webador.com | (714) 225 5969 | HVAC | Santa Ana · Orange County | — | — |
| Chiller Service Company | Robert Thomas Sheedy | info@chillerservice.com | (626) 961 9076 | HVAC | Orange · Orange County | — | — |
| Chilltech Solutions LLC | John Charles Fitzmaurice | — | (714) 331 1987 | HVAC | Orange · Orange County | — | — |
| Chinh Manh Pham | Chinh Manh Pham | — | (714) 598 6034 | GC, remodel, ADU | Garden Grove · Orange County | — | — |
| Chip Sparks | Chip Sparks | — | (949) 212 7538 | GC, remodel, ADU | San Clemente · Orange County | — | — |