| Conner Molinar | Conner Molinar | — | (931) 331 6035 | Other | Soquel · Santa Cruz County | — | — |
| Consolidated Drywall INC | Dane Adam Demicell | — | (831) 728 4767 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Construction Services INC | John Wallace Thill | — | (831) 316 7110 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| Construction Technicians | Joseph Michael Hall | — | (831) 246 1244 | GC, remodel, ADU | Boulder Creek · Santa Cruz County | — | — |
| Constructiva Builders INC | Carlos Rodriguez-Mota | — | (831) 682 7351 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Cordell Davis Plastering INC | Cordell Robert Davis | cordell@cordelldavisplastering.com | (831) 234-0981 | Other | Santa Cruz · Santa Cruz County | — | — |
| Core Landscaping INC | Marc Core | marc@corelandscaping.com | (408) 355 3807 | Windows, patio, painters | Boulder Creek · Santa Cruz County | — | — |
| Cormorant Fine Craftsmen LLC | Benjamin John Riordan | — | (831) 750 6543 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Cornerstone Construction | Sean Gregory Maxwell | gwebb@cornerstone-construction.com | (832) 259-2520 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Cornerstone Custom Builders | Cornerstone Custom Builders | — | (408) 230 3341 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Cornett Construction | Ryan Cole Cornett | — | (831) 818 6881 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Corralitos Construction | Paul Goodwin Crubaugh | — | (831) 588 4763 | GC, remodel, ADU | Corralitos · Santa Cruz County | — | — |
| Corralitos Construction | Paul Edward Souza | — | (831) 809 3351 | Other | Watsonville · Santa Cruz County | — | — |
| Corralitos Electric Company | Jerald Evan Bonnema | — | (831) 359 2395 | Electricians | Watsonville · Santa Cruz County | — | — |
| Costa Central Construction Remodeling | Jose De Jesus Sotelo | — | (831) 212 5763 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Country Home Inspection Burl Business Center | Country Home Inspection Burl Business Center | — | (831) 338-6269 | Inspectors | Boulder Creek · Santa Cruz County | — | — |
| Cowell Beach Termite Removal Expert | Cowell Beach Termite Removal Expert | — | (831) 777-6052 | Pest, tile roofs | Santa Cruz · Santa Cruz County | — | — |
| Coyote Designs | Coyote Designs | coyote@coyotedesigns.com | (831) 331 8852 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Coyull Const | Coyull Const | — | (831) 902 8823 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Craig Barr Custom Builder | Craig Barr Custom Builder | — | (650) 296 9111 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Craig Blanchette | Craig Blanchette | — | (831) 588 0472 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| Craig Macbeth | Craig Macbeth | — | (831) 421 2118 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Craig Milam Blount | Craig Milam Blount | — | (831) 818 6745 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| Craig S Tucker Construction | Craig Samuel Tucker | — | (831) 425 0886 | GC, remodel, ADU | Bonny Doon · Santa Cruz County | — | — |
| Craig Youngblood | Craig Youngblood | — | (831) 818 2218 | Electricians | Aptos · Santa Cruz County | — | — |
| Cramblet Construction | Mark Thomas Cramblet | — | (831) 331 0903 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Cranston Fine Finishing | Cranston Fine Finishing | — | (831) 359 9551 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Cravens General Construction | Christian Rolen Cravens | — | (408) 204 2233 | GC, remodel, ADU | Ben Lomond · Santa Cruz County | — | — |
| Crawford Flooring | Crawford Flooring | — | (831) 345 4431 | Other | Santa Cruz · Santa Cruz County | — | — |
| Creativity Works Enterprises | Luke Elijah Tweddle | — | (831) 566 6962 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Crenshaw Construction | Thomas R Crenshaw | — | (831) 431 0906 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Crestline Construction LLC | Joshua James Sr Coley | lucy@crestlineconstruction.com | (831) 588 2655 | Other | Santa Cruz · Santa Cruz County | — | — |
| Crocker Homes INC | Richard Bryan Crocker | steve@independentknowledge.com | (831) 768 1099 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Crows Quality Flooring | Crows Quality Flooring | — | (831) 459 7363 | Other | Scotts Valley · Santa Cruz County | — | — |
| Crum Concrete LLC | Adam David Crum | — | (831) 428 5730 | Other | Capitola · Santa Cruz County | — | — |
| Crush Builders | Crush Builders | — | (408) 806 7512 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Cruz & Associate Tree Serivce | Cruz & Associate Tree Serivce | — | (626) 483-5693 | Tree | West Hollywood · Santa Cruz County | — | — |
| Cruz Brothers Hardwood Floors | Cruz Brothers Hardwood Floors | — | (831) 840 5698 | Other | Watsonville · Santa Cruz County | — | — |
| Cruz Comfort Heating & Air INC | Cruz Comfort Heating & Air INC | — | (760) 801-4924 | HVAC | Ramona · Santa Cruz County | — | — |
| Cruz Construction | Cruz Sabas | — | (831) 588 0512 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |