| B L Woodworks | B L Woodworks | — | (831) 818 7475 | Other | Santa Cruz · Santa Cruz County | — | — |
| B S H | B S H | — | (831) 566 1782 | Other | Scotts Valley · Santa Cruz County | — | — |
| Ba Refrigeration INC | Basel Sulieman Rashid | — | (831) 479 3215 | HVAC | Santa Cruz · Santa Cruz County | — | — |
| Badger Plumbing | Badger Plumbing | — | (831) 325 7723 | Other | Santa Cruz · Santa Cruz County | — | — |
| Bailey Construction | Willis Arthur Bailey | — | (831) 234 7604 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Bailey General Contracting | James Edward Bailey | — | (831) 566 9167 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Bailey Properties | Bailey Properties | moxiworks1@baileyproperties.com | — | Property managers | Santa Cruz · Santa Cruz County | — | — |
| Baird Tinkey Plumbing | Baird Tinkey Plumbing | — | (805) 305 1741 | Other | Felton · Santa Cruz County | — | — |
| Bajatile INC | Jose Isidro Ramirez Hernandez | — | (831) 430 8832 | Other | Watsonville · Santa Cruz County | — | — |
| Balderas Painting Service | Balderas Rojas Armando | — | (408) 854 3994 | Windows, patio, painters | Watsonville · Santa Cruz County | — | — |
| Baldwin Lock Doctor INC | Martin Dale De Silva | — | (650) 465 2432 | Other | Boulder Creek · Santa Cruz County | — | — |
| Balian's Pool & Spa Service INC | Todd Alexander Balian | — | (831) 818 1530 | Pool | Aptos · Santa Cruz County | — | — |
| Ballesteros Landscape | Ballesteros Landscape | — | (831) 212 7926 | Windows, patio, painters | Watsonville · Santa Cruz County | — | — |
| Bandit Low Voltage Systems | James Myers Mueller | — | (831) 325 0513 | Other | Santa Cruz · Santa Cruz County | — | — |
| Barak A Van Schoick | Barak A Van Schoick | — | (831) 251 0379 | Other | Aptos · Santa Cruz County | — | — |
| Barber Construction | Keith Darwin Barber | — | (831) 809 4148 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Barc Architecture | Daniel Alexander Barker | — | (650) 325 4504 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Barnard Construction | Levi James Barnard | mike@barnardconstruction.com | (707) 318-1510 | GC, remodel, ADU | Corralitos · Santa Cruz County | — | — |
| Barnes Custom Building | Barnes Custom Building | barnescustombuilding@gmail.com | (831) 332 9522 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Barry Schneider | Barry Schneider | — | (831) 419 3461 | Other | Aptos · Santa Cruz County | — | — |
| Barry Wothers Construction | Wothers Barry | — | (831) 359 5103 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Bartholomew Construction | Philip Olney Bartholomew | — | (831) 212 9145 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Bartlett Painting INC | Marc Curtis Bartlett | — | (831) 331 0037 | Windows, patio, painters | Aptos · Santa Cruz County | — | — |
| Basile Excavation And Grading | Basile Excavation And Grading | — | (831) 345 8056 | Other | Santa Cruz · Santa Cruz County | — | — |
| Bates Construction Partnership | Stefan Richard Imai | — | (831) 334 8652 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Battle Mountain Excavation & Hauling | Battle Mountain Excavation & Hauling | — | (831) 212 5186 | Other | Bonny Doon · Santa Cruz County | — | — |
| Baxter Landscaping INC | David Arthur Baxter | — | (831) 246 0537 | Windows, patio, painters | Ben Lomond · Santa Cruz County | — | — |
| Bay Area Contractor | Bay Area Contractor | — | (408) 728 2554 | GC, remodel, ADU | Mount Hermon · Santa Cruz County | — | — |
| Bay Area Floors & Interiors INC | Scott Alan Boates | — | (831) 662 3000 | Other | Soquel · Santa Cruz County | — | — |
| Bay City Builder | Bay City Builder | — | (831) 818 4275 | GC, remodel, ADU | Ben Lomond · Santa Cruz County | — | — |
| Bay Electric | Bay Electric | bayview@bayelectric.com | (313) 255-5252 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Bay Plastering | Bay Plastering | — | (831) 818 9826 | Other | Santa Cruz · Santa Cruz County | — | — |
| Bay Quality Roofing & Building Services INC | Dinyari Farbod | — | (831) 722 2298 | Other roofers | Freedom · Santa Cruz County | — | — |
| Bayside Asphalt | Scott Michael Frank | — | (831) 334 8418 | Other | Capitola · Santa Cruz County | — | — |
| Beach Electrical LLC | Jason Lee Beach | — | (831) 246 4014 | Electricians | Felton · Santa Cruz County | — | — |
| Beall Construction | Courtney Glenn Beall | — | (831) 840 5786 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Bear Construction | Antonio De Jesus Jr Beristain | — | (831) 588 3308 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Bears Tree Services INC | Galan Fernando Reyes | bearstreeservicesinc@gmail.com | (831) 428 9209 | Tree | Santa Cruz · Santa Cruz County | — | — |
| Beasley Trucking & Tractor Service | Joseph Robert Beasley | — | (831) 338 3605 | Other | Boulder Creek · Santa Cruz County | — | — |
| Beaulieu Construction INC | James Patrick Beaulieu | — | (831) 212 6850 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |