| Coy N Elvis | Coy N Elvis | — | (209) 939 1828 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Cozart Brothers INC | Steven Daniel Cozart | stevecozart@cozartbrothers.com | (925) 449 0212 | Other | Stockton · San Joaquin County | — | — |
| Cr Legacy Concrete | Cristiam Edgardo Ramirez Navarro | — | (209) 346 2367 | Other | Manteca · San Joaquin County | — | — |
| Cra Construction | Rosales Alviter Cesar | — | (209) 896 7541 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Craig Holtberg Construction | Holtberg Craig Construciton | — | (209) 601 1885 | GC, remodel, ADU | Linden · San Joaquin County | — | — |
| Crane & Hoist Services Ltd | Ingrid Margareta Gregerson | — | (209) 466 4355 | Other | Stockton · San Joaquin County | — | — |
| Creative Additions INC | Eric Richard Johnson | — | (209) 623 5189 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Creative Outdoor Environment INC | Hanna Seus | — | (209) 234 2383 | Windows, patio, painters | Lathrop · San Joaquin County | — | — |
| Creative Property Renewal INC | Michael David Cicileo | — | (209) 645 0077 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Crg | Leonard Glenn Hazen | — | (209) 836 4100 | GC, remodel, ADU | Tracy · San Joaquin County | — | — |
| Cronk Construction Company | Nathan Reed Cronk | — | (209) 992 9721 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Crosstown Electrical Services | Carlos Ray Pimentel | — | (209) 603 1981 | Electricians | Stockton · San Joaquin County | — | — |
| Crown Restoration | Crown Restoration | — | (408) 712 9071 | GC, remodel, ADU | Tracy · San Joaquin County | — | — |
| Crusader Tile | Crusader Tile | crusadertileandstone@gmail.com | (209) 324 7519 | Other | Escalon · San Joaquin County | — | — |
| Cruz & Co Landscape INC | Alfonso Cruzvelez | — | (209) 993 3060 | Windows, patio, painters | Stockton · San Joaquin County | — | — |
| Cruz Concrete Construction INC | Jesus Fernando Cruz | — | (209) 430 0864 | Other | Stockton · San Joaquin County | — | — |
| Cruz Painting Services INC | Lizette Cruz | — | (510) 372 3330 | Windows, patio, painters | Stockton · San Joaquin County | — | — |
| Crystal Custom Painting | Crystal Custom Painting | — | (209) 986 7527 | Windows, patio, painters | Escalon · San Joaquin County | — | — |
| Crystal Plumbing | Crystal Plumbing | — | (209) 371 9365 | Other | Lodi · San Joaquin County | — | — |
| Cs Electric Co | Mendoza Garcia Carlos | — | (209) 337 5359 | Electricians | Stockton · San Joaquin County | — | — |
| Cs Fire Protection INC | Matthew Gregory Garza | — | (925) 766 4615 | Other | Tracy · San Joaquin County | — | — |
| Cs Landscaping A Partnership | Cesar Villegas Sandoval | — | (209) 482 1991 | Windows, patio, painters | Lathrop · San Joaquin County | — | — |
| Ctr Concrete Contractor INC | Steve Douglas Robbins | — | (209) 823 8631 | Other | Manteca · San Joaquin County | — | — |
| Cubias Tile | Cubias Tile | — | (650) 784 3079 | Other | Stockton · San Joaquin County | — | — |
| Culbertson Construction | Steven Spencer Culbertson | — | (209) 712 0858 | GC, remodel, ADU | Lodi · San Joaquin County | — | — |
| Cultured Marble Palace | Gilibaldo Rangel | — | (209) 462 1700 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Cupertino Construction | Mohammad Bagher Sami | — | (408) 313 7601 | GC, remodel, ADU | French Camp · San Joaquin County | — | — |
| Curb-a-lawn | John Clifford Towner | — | (209) 495 8035 | Windows, patio, painters | Escalon · San Joaquin County | — | — |
| Curtis Nation Air Conditioning & Heating | Christopher Edward Curtis | — | (209) 609 4822 | HVAC | Stockton · San Joaquin County | — | — |
| Custom Concepts Construction | Douglas Robert Von Arx | — | (714) 457 2837 | GC, remodel, ADU | Stockton · San Joaquin County | — | — |
| Custom Concrete Systems | Custom Concrete Systems | customconcretesystems@yahoo.com | (209) 472 7600 | Other | Stockton · San Joaquin County | — | — |
| Custom Design Drywall INC | Andrew Anthony Blanco | — | (209) 550 1828 | Other | Stockton · San Joaquin County | — | — |
| Custom Design Floor Coverings | Custom Design Floor Coverings | — | (408) 410 6693 | Other | Lathrop · San Joaquin County | — | — |
| Custom Interiors | Custom Interiors | — | (510) 773 6732 | GC, remodel, ADU | Ripon · San Joaquin County | — | — |
| Custom Iron Works | Custom Iron Works | — | (209) 365 0334 | Other | Woodbridge · San Joaquin County | — | — |
| Custom Remodel | Custom Remodel | customhomeremodeling@yahoo.com | (209) 823 8052 | GC, remodel, ADU | Manteca · San Joaquin County | — | — |
| Cutting Edge Pavers & Outdoor Living | Tex Jr Mabalon | — | (209) 969 4471 | Windows, patio, painters | Stockton · San Joaquin County | — | — |
| D & A Concrete Construction INC | Candido Pedro Ramos Venegas | — | (209) 910 2060 | Other | Stockton · San Joaquin County | — | — |
| D & D Concrete INC | Denise Kay Williams | — | (209) 992 2267 | Other | Stockton · San Joaquin County | — | — |
| D & H Brilliant Landscaping | D & H Brilliant Landscaping | — | (209) 986 8655 | Windows, patio, painters | Stockton · San Joaquin County | — | — |