| Bryan Baker Construction | Bryan Daniel Baker | — | (831) 247 8399 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Bryan Mailey Electric INC | Bryan James Mailey | — | (831) 535 9013 | Electricians | Scotts Valley · Santa Cruz County | — | — |
| Bryan Shelton Painting INC | Bryan Christopher Shelton | — | (831) 435 0563 | Windows, patio, painters | Soquel · Santa Cruz County | — | — |
| Bryan Starn Construction | Bryan Peter Starn | — | (831) 227 4400 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Bryce Shaw Painting INC | Bryce William Shaw | — | (831) 254 0209 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Bryon Kefaliotis Construction | Kefaliotis Bryon | — | (650) 464 7521 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Buchholz Roofing And Construction | Anthony Allen Buchholz | — | (831) 252 9022 | Other roofers | Santa Cruz · Santa Cruz County | — | — |
| Buck's Roofing INC | Jim Daniel Larsh | — | (408) 313 3429 | Other roofers | Scotts Valley · Santa Cruz County | — | — |
| Buckeye Natural Builders LLC | Kita Wilder Glass | — | (831) 239 1531 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Bud Seligman Construction | Seligman Bud Construciton | — | (831) 246 1943 | GC, remodel, ADU | Ben Lomond · Santa Cruz County | — | — |
| Bud's Electric INC | Marion Melvin Hall | — | (831) 724 5802 | Electricians | Watsonville · Santa Cruz County | — | — |
| Budget Sheetmetal | Budget Sheetmetal | — | (831) 818 4969 | Other | Boulder Creek · Santa Cruz County | — | — |
| Buena Vista Construction LLC | Carrillo-zamora Sergio | help@mybatteryprotection.com | (831) 247 2296 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| Buena Vista Hardwood Floors | Buena Vista Hardwood Floors | — | (831) 227 4595 | Other | Soquel · Santa Cruz County | — | — |
| Buena Vista Landscape | Buena Vista Landscape | — | (831) 353 1778 | Windows, patio, painters | Freedom · Santa Cruz County | — | — |
| Build Groh | Build Groh | — | (831) 359 5054 | GC, remodel, ADU | Soquel · Santa Cruz County | — | — |
| Build Logix | Build Logix | — | (310) 707 7597 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Built Rite Construction | Ronald Joseph Bonnema | — | (831) 254 1988 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| Bull Construction | Nikola J Bulaich | — | (831) 840 3577 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Bull Construction Services | James Dudley Bull | — | (530) 318 7963 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Burkhardt Construction | Burkhardt Samuel | — | (831) 212 7019 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Burly Girl Electric INC | Anna Beth Warren | office@burlygirlelectric.com | (209) 782 0269 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Burros Building | Burros Building | — | (831) 331 6005 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Burros Building INC | Alan Pierce Burros | — | (831) 331 6005 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Bustichi & Son | Bustichi & Son | — | (831) 438 0455 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| C & C Fencing INC | William Allen Anderson | — | (831) 345 5124 | Other | Watsonville · Santa Cruz County | — | — |
| C A P Designs | C A P Designs | — | (831) 252 6655 | Windows, patio, painters | Felton · Santa Cruz County | — | — |
| C B Electric | Cosimo Dominic Borgomini | — | (831) 392 7644 | Electricians | Watsonville · Santa Cruz County | — | — |
| C B M Landscape Company | Sixto Alvarezhuante | — | (831) 423 5515 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| C C Dunn Construction | Cornelius Charles Jr Dunn | — | (831) 818 6213 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| C D K Construction | Chad Daniel Kaesemeyer | — | (831) 566 4011 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| C D Kerr Special Services | Christopher Donald Kerr | — | (408) 489 4788 | GC, remodel, ADU | Ben Lomond · Santa Cruz County | — | — |
| C K M Builders | C K M Builders | — | (831) 247 4721 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| C Kaye Drywall | C Kaye Drywall | chris@ckayedrywall.com | (925) 579 1296 | Other | Watsonville · Santa Cruz County | — | — |
| C L S Pro Painting | C L S Pro Painting | — | (831) 539 9581 | Windows, patio, painters | Watsonville · Santa Cruz County | — | — |
| Ca Coastal Current Electric | Evan Michael Somma | — | (805) 760 0191 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Cabinet Town | Cabinet Town | cabinettown@sbcglobal.net | (831) 425 3570 | Other | Santa Cruz · Santa Cruz County | — | — |
| Cabo Builders INC | Juan Carlos Figueroa | — | (831) 566 5178 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Caiazzo Construction Incorporated | Dana Montgomery Caudle | — | (831) 465 8437 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| Cain Construction | Jeffrey Scott Cain | — | (831) 239 3898 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |