| Craig Andersen | Craig Andersen | — | (925) 222 3408 | Other | Concord · Contra Costa County | — | — |
| Craig Builders INC | Peter Neikirk Samis | — | (775) 682 2230 | GC, remodel, ADU | Brentwood · Contra Costa County | — | — |
| Craig Eric Tranby | Craig Eric Tranby | — | (925) 262 7353 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Craig Fencing | Craig Fencing | craigfencing@gmail.com | (925) 932 8833 | Other | Pleasant Hill · Contra Costa County | — | — |
| Crane Construction | Rani Bar | resumes@craneconstruction.com | (925) 322 9002 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Crawford Construction | Andrew John Crawford | — | (925) 570 8885 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Crays Cooling Co | Michael Hayden Crays | — | (888) 383 4822 | HVAC | Martinez · Contra Costa County | — | — |
| Crb Painting | Crb Painting | — | (925) 435 9225 | Windows, patio, painters | Concord · Contra Costa County | — | — |
| Create Interior Design And Remodeling | Sharaby Shahar | — | (925) 289 4009 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Creation Networks INC | Eric Stephen Benson | — | (925) 212 2532 | Other | Concord · Contra Costa County | — | — |
| Creative Ceilings INC | Francis Paul Carozza | info@creative-ceilings.com | (925) 826 5250 | Windows, patio, painters | Concord · Contra Costa County | — | — |
| Creative Changes | Creative Changes | — | (925) 890 4922 | Windows, patio, painters | Walnut Creek · Contra Costa County | — | — |
| Creative Drywall | Creative Drywall | — | (925) 753 1636 | Other | Antioch · Contra Costa County | — | — |
| Creative Energy Corporation | David Gerald Kirley | info@creativeenergy.com | (510) 237 2300 | GC, remodel, ADU | Richmond · Contra Costa County | — | — |
| Creative Environments | Charles William Baumann | — | (925) 765 1368 | Windows, patio, painters | Alamo · Contra Costa County | — | — |
| Creative Home Remodeling | Creative Home Remodeling | — | (925) 575 1881 | GC, remodel, ADU | Bay Point · Contra Costa County | — | — |
| Creative Landscapes | Creative Landscapes | — | (510) 827 8948 | Windows, patio, painters | San Ramon · Contra Costa County | — | — |
| Creative Plumbing And Construction Company INC | Levanda Boaz | — | (510) 848 2500 | GC, remodel, ADU | Orinda · Contra Costa County | — | — |
| Creative Shades | Creative Shades | — | (925) 820 6868 | GC, remodel, ADU | San Ramon · Contra Costa County | — | — |
| Creative Tile Design INC | Steven C Berman | interested@domainmarket.com | (415) 710 2443 | GC, remodel, ADU | San Ramon · Contra Costa County | — | — |
| Creative Yards Of Brentwood | Creative Yards Of Brentwood | — | (925) 382 1700 | Windows, patio, painters | Brentwood · Contra Costa County | — | — |
| Creekside Pro Construction INC | Randolph Martin Dinga | — | (925) 445 7686 | GC, remodel, ADU | Pleasant Hill · Contra Costa County | — | — |
| Crest Construction & Remodeling | Hugo Olvidio Lopez | — | (510) 306 9019 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Crest Landscape | Crest Landscape | — | (510) 967 0594 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Crestpoint Mechanical LLC | Logan Gabriel Justice | — | (415) 988 2554 | HVAC | Brentwood · Contra Costa County | — | — |
| Crinnion Construction INC | Vincent Albert Crinnion | — | (925) 934 8882 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Crisco | Michael Leroy Crisman | — | (925) 428 1473 | GC, remodel, ADU | Antioch · Contra Costa County | — | — |
| Crockett Electric Co | Jose Maria Oseguera | — | (925) 228 1020 | Electricians | Concord · Contra Costa County | — | — |
| Crockett Rodeo Glass | Crockett Rodeo Glass | — | (510) 799 4157 | Windows, patio, painters | Rodeo · Contra Costa County | — | — |
| Croskey Real Estate | Croskey Real Estate | info@croskeyrealestate.com | (925) 336-3282 | Property managers | Pittsburg · Contra Costa County | — | — |
| Crossfire Protection | Crossfire Protection | ross@crossfireprotection.com | (510) 709 5597 | Other | Brentwood · Contra Costa County | — | — |
| Crouse Construction Company INC | Zachary Dane Crouse | — | (925) 296 0666 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Crouse General Engineering | Crouse General Engineering | — | (925) 586 1565 | Other | Concord · Contra Costa County | — | — |
| Crow Canyon Home Repair & Remodeling | Edward Paul Swar | — | (925) 683 6630 | GC, remodel, ADU | Danville · Contra Costa County | — | — |
| Crowder Construction INC | Francis Michael Crowder | — | (925) 939 6900 | GC, remodel, ADU | Alamo · Contra Costa County | — | — |
| Crowell Development INC | Charles Michael Crowell | — | (510) 589 9368 | GC, remodel, ADU | Alamo · Contra Costa County | — | — |
| Crowl Painting & Construction Co | John William Crowl | — | (510) 222 1729 | GC, remodel, ADU | El Sobrante · Contra Costa County | — | — |
| Crown Construction | Bruce Alben Nemanic | — | (925) 683 2345 | GC, remodel, ADU | Pleasant Hill · Contra Costa County | — | — |
| Crown Electric LLC | Eric Kerstan Hoobler | — | (831) 295 2971 | Electricians | Concord · Contra Costa County | — | — |
| Crown Gutters | Crown Gutters | — | (925) 768 4560 | Other | Martinez · Contra Costa County | — | — |