| Century Construction | Jack Dean Jr Linder | — | (909) 260 2894 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Century Construction Company | Jones Benjamin | — | (209) 363 4454 | Electricians | Murrieta · Riverside County | — | — |
| Century West Concrete INC | Victor Campos Diaz | — | (951) 324 5224 | Other | Riverside · Riverside County | — | — |
| Ceramic Tile Works & Designs INC | Eldon Wayne Moon | — | (951) 340 9260 | Other | Corona · Riverside County | — | — |
| Cerdas Pool Construction | Juan Carlos Cerda | — | (760) 250 6249 | Pool | Coachella · Riverside County | — | — |
| Cerezo INC | Miguel Torres | — | (760) 610 3508 | Windows, patio, painters | Indio · Riverside County | — | — |
| Cerratto Construction | David Iii Cerratto | — | (951) 368 7642 | GC, remodel, ADU | Hemet · Riverside County | — | — |
| Certapro Painters Of Riverside | Certapro Painters Of Riverside | — | (800) 689-7271 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Certified 1 Roofing | Larry James Marks | — | (562) 228 5106 | Other roofers | Corona · Riverside County | — | — |
| Certified Air Services INC | Daniel Wayne Lewis | support@certifiedairservices.com | (951) 681 7921 | HVAC | Jurupa Valley · Riverside County | — | — |
| Certified Landscape Services | Daniel Vasquez Ruiz | — | (760) 568 5960 | Windows, patio, painters | Palm Desert · Riverside County | — | — |
| Certified Mechanical Systems INC | Robert Glen Campbell | — | (866) 683 4922 | HVAC | Temecula · Riverside County | — | — |
| Certified Septic Service | Jesus Edwardo Alanis | — | (909) 628 8685 | Other | Riverside · Riverside County | — | — |
| Certified Sign INC | Joe Rosa | — | (951) 928 2484 | Other | Sun City · Riverside County | — | — |
| Certified Woodwork Services INC | Juan Carlos Cardenas | — | (714) 980 0936 | Other | Corona · Riverside County | — | — |
| Certifiedseptic.com INC | Michael Hamilton Camp | — | (951) 757 9199 | Other | Murrieta · Riverside County | — | — |
| Cervantes & Sons Construction | Samuel Rudy Cervantes | — | (951) 285 6387 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Cervantes Development INC | Larry Arthur Cervantes | — | (951) 712 4806 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Cervantes Glass Tile | Juan Gabriel Cervantes Leyva | — | (951) 451 0330 | Other | Perris · Riverside County | — | — |
| Cesar Acosta Granados | Cesar Acosta Granados | — | (760) 399 2678 | GC, remodel, ADU | Thousand Palms · Riverside County | — | — |
| Cesar Alvarado | Cesar Alvarado | — | (951) 378 6602 | Other | Perris · Riverside County | — | — |
| Cesar Carrillo Construction Services | Carrillo Cesar | — | (951) 205 6463 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Cesar E Tapia DBA Coachella Valley Landcare | Coachella Valley Landcare | — | (760) 682 5928 | Windows, patio, painters | Indio · Riverside County | — | — |
| Cesar Escobar | Cesar Escobar | — | (760) 904 8014 | GC, remodel, ADU | Desert Hot Springs · Riverside County | — | — |
| Cesar Perez | Cesar Perez | photo@cesarperez.com | (909) 644 7880 | GC, remodel, ADU | Norco · Riverside County | — | — |
| Cesar Ramirez | Cesar Ramirez | — | (951) 436 6808 | Other | Temecula · Riverside County | — | — |
| Ceymex Landscape Construction | Jayathilake Bandara | — | (626) 626 1749 | Windows, patio, painters | Norco · Riverside County | — | — |
| Ceymex Landscape INC | Bandara Jayathilake | — | (626) 626 1749 | Windows, patio, painters | Norco · Riverside County | — | — |
| Cf Warren Flooring | Cf Warren Flooring | — | (949) 466 9236 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Cfo Pool & Electrical Contractor | Carlos Ferenck Ochoa | — | (909) 553 5524 | Electricians | Perris · Riverside County | — | — |
| Cg Construction | Gonzalez Carlos | — | (951) 223 1147 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Cg Garden Design | Charllote Capayan Gray | — | (858) 449 5646 | Windows, patio, painters | Murrieta · Riverside County | — | — |
| Cg Gardening And Lawn Service INC | Marin Gerardo Gutierrez | — | (442) 241 7852 | Windows, patio, painters | Coachella · Riverside County | — | — |
| Cg Lath And Plaster INC | Carlos Alberto Gomez | — | (866) 829 4658 | Other | Jurupa Valley · Riverside County | — | — |
| Cg Millworks | Cg Millworks | — | (714) 362 6611 | Other | Corona · Riverside County | — | — |
| Cgar | Cain Silverio Garcia | — | (714) 420 6670 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Cgs Construction | Cesar Gabriel Sandoval De La Torre | administrator@cgs-construction.com | (909) 637 6815 | GC, remodel, ADU | San Jacinto · Riverside County | — | — |
| Ch Building Services INC | Herbert Wei Tse Hwang | chbuildmaintenance@gmail.com | (626) 602 7768 | GC, remodel, ADU | Eastvale · Riverside County | — | — |
| Ch Pools INC | Anda Padilla Onofre De | — | (760) 272 5879 | Pool | Cathedral City · Riverside County | — | — |
| Chaca General Contractors INC | Antonio Chaidez | chacageneral@outlook.com | (951) 830 5596 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |