| Cow Creek Builders INC | Joshua Dene Brard | — | (530) 215 3515 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Cox & Cox Construction INC | Vernon Ray Jr Cox | — | (530) 243 6016 | Other | Redding · Shasta County | — | — |
| Coyote Remodel & Repair | Coyote Remodel & Repair | — | (916) 804 3434 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Craig Alan Bonnell | Craig Alan Bonnell | — | (209) 610 3717 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Craig Christie Construction | John Craig Christie | — | (530) 921 1315 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Craig Parsons Construction | Craig Edward Parsons | — | (530) 945 6078 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Crandell Construction | Walter L Crandell | — | (530) 244 3880 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Crawford Building And Remodeling | Crawford Building And Remodeling | — | (530) 339 2098 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Creative Concrete | Creative Concrete | — | (707) 477 1535 | Other | Redding · Shasta County | — | — |
| Creative Landscapes | Creative Landscapes | — | (530) 351 2010 | Windows, patio, painters | Redding · Shasta County | — | — |
| Creative Masonry | Creative Masonry | astigma@astigmatic.com | (530) 275 0592 | Other | Shasta Lake · Shasta County | — | — |
| Cronic Construction | Robert Michael Cronic | — | (530) 356 2876 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Cronic Disaster Restoration And Construction | Jeremy Shain Rosten | — | (530) 222 8228 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Crosscut Tree Service INC | Maxwell Bartholomew Haney | — | (530) 339 1186 | Tree | Redding · Shasta County | — | — |
| Crosspoint General Engineering | Crosspoint General Engineering | — | (530) 227 4558 | Electricians | Palo Cedro · Shasta County | — | — |
| Crowell Seamless Gutters | Crowell Seamless Gutters | crowellgutters@gmail.com | (530) 355 2012 | Other | Redding · Shasta County | — | — |
| Croxton Lath & Plaster A Partnership | James Ellis Iv Croxton | — | (530) 355 0104 | Other | Redding · Shasta County | — | — |
| Currie's Quality Painting | Currie's Quality Painting | — | (530) 244 2075 | Windows, patio, painters | Redding · Shasta County | — | — |
| Currier Contracting | Dustan Arthur Lee Currier | — | (530) 949 5631 | Other | Redding · Shasta County | — | — |
| Curt Stahl Construction | Curtis James Stahl | — | (530) 945 4181 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Custom Cabinet & Mill Work | Custom Cabinet & Mill Work | akcustommillwork@hotmail.com | (530) 246 7450 | Other | Redding · Shasta County | — | — |
| Custom Curbs Landscaping | Custom Curbs Landscaping | — | (530) 244 0497 | Windows, patio, painters | Anderson · Shasta County | — | — |
| Custom Plumbing | John Kennedy Jr Jones | interested@domainmarket.com | (530) 241 1526 | Other | Redding · Shasta County | — | — |
| Custom Tile Service | Lance David Mayfield | — | (530) 604 8555 | Other | Redding · Shasta County | — | — |
| Cutting Edge Concrete | Cutting Edge Concrete | interested@domainmarket.com | (530) 227 3476 | Other | Redding · Shasta County | — | — |
| Cutting Edge Granite & Tile | Troy James Allen Murphy | — | (530) 515 0253 | Other | Redding · Shasta County | — | — |
| Cw Excavating | Cw Excavating | — | (530) 524 1177 | Other | Anderson · Shasta County | — | — |
| D & A Construction | David Tyler Williams | — | (530) 243 8006 | GC, remodel, ADU | Redding · Shasta County | — | — |
| D & T Construction INC | Darren Dayton Taylor | — | (918) 527-0117 | Other | Anderson · Shasta County | — | — |
| D A Concrete INC | Dana Andrew Johnson | — | (530) 515 4800 | Other | Redding · Shasta County | — | — |
| D A M Concrete | D A M Concrete | — | (530) 410 4281 | Other | Shasta Lake · Shasta County | — | — |
| D B Plumbing | D B Plumbing | — | (530) 806 7977 | Other | Redding · Shasta County | — | — |
| D C Lauer Painting | D C Lauer Painting | — | (530) 209 0649 | Windows, patio, painters | Oak Run · Shasta County | — | — |
| D J Moerer Ent | D J Moerer Ent | — | (530) 941 3086 | GC, remodel, ADU | Redding · Shasta County | — | — |
| D L C Electric | De La Cobas Alexander | — | (530) 776 8208 | Electricians | Cottonwood · Shasta County | — | — |
| D L Construction | Dustin Lee Lopez | — | (530) 227 6937 | GC, remodel, ADU | Mc Arthur · Shasta County | — | — |
| D L's Flooring | D L's Flooring | — | (530) 246 1198 | Other | Redding · Shasta County | — | — |
| D M E | D M E | — | (530) 347 4548 | Other | Cottonwood · Shasta County | — | — |
| D R S Construction | David Richard Sowers | — | (530) 917 1548 | GC, remodel, ADU | Redding · Shasta County | — | — |
| D T Quality | Daniel Turturica | — | (530) 410 4864 | GC, remodel, ADU | Redding · Shasta County | — | — |