| Bambino's Plumbing | Bambino's Plumbing | bambinosoffice2@gmail.com | (408) 287 9995 | Other | San Jose · Santa Clara County | — | — |
| Bandit Excavation INC | Jason Galvin Berry | — | (408) 799 7792 | Other | San Jose · Santa Clara County | — | — |
| Banksia Landscape INC | Kevin Michael Pearson | — | (408) 617 7100 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Banner Pest Services | Banner Pest Services | sales@bannerpc.com | (650) 910-1561 | Pest, tile roofs | San Jose · Santa Clara County | — | — |
| Bannister Custom Homes INC | John Winston Bannister | — | (650) 400 1824 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Bao-tran Builders INC | Cody Thai | — | (408) 314 0362 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Baoming Qu | Baoming Qu | — | (510) 588 6015 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Barajas Bros Drywall | Barajas Bros Drywall | — | (408) 221 3088 | Other | Santa Clara · Santa Clara County | — | — |
| Barajas Construction | Arturo Barajas | barajasconstruction57@yahoo.com | (805) 331-5566 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Barajas Electric Incorporated | Luciano Alberto Sanchez Barajas | — | (408) 693 9332 | Electricians | San Jose · Santa Clara County | — | — |
| Barakatt Floor Covering | Barakatt Floor Covering | — | (408) 364 9717 | Other | San Jose · Santa Clara County | — | — |
| Barcadon Construction | Mohssen Meyssami | — | (669) 287 8255 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Barcadon Construction And Remodeling | Barcadon Construction And Remodeling | — | (408) 781-2373 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Barefoot Lawns & Landscaping | Barefoot Lawns & Landscaping | — | (650) 280 3227 | Windows, patio, painters | Cupertino · Santa Clara County | — | — |
| Bariteau Painting | Bariteau Painting | — | (408) 314 6202 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Barlow's Refrigeration Co. | Barlow Brooks Hatch | — | (408) 772 1529 | HVAC | Gilroy · Santa Clara County | — | — |
| Barnhill's Cabinetry | Barnhill's Cabinetry | — | (408) 441 1718 | Other | San Jose · Santa Clara County | — | — |
| Baron Construction & Remodeling Corp | Boaron Amos | — | (408) 868 4552 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Baron Painting | Baron Painting | — | (408) 752 6353 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Barragan Drywall INC | Benjamin Gonzalez Barragan | info@barragandrywall.com | (650) 323 9281 | Other | East Palo Alto · Santa Clara County | — | — |
| Barragan Roofing | Barragan Noe | — | (650) 630 8327 | Other roofers | East Palo Alto · Santa Clara County | — | — |
| Barrera Construction Framing | Abrahan Neptaly Barrera Estrada | barreraabrahan14@gmail.com | (408) 658 4452 | Other | San Jose · Santa Clara County | — | — |
| Barreto Const | Barreto Const | — | (408) 205 1887 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Barron Builders INC | Ernesto Icaurus Barron | — | (650) 964 4493 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Barron Built Framing | Barron Built Framing | — | (408) 389 9925 | Other | San Jose · Santa Clara County | — | — |
| Barron Electric | Barron-flores Vinicio | — | (408) 480 9115 | Electricians | San Jose · Santa Clara County | — | — |
| Barron General Builders INC | Moises De Jesus Barron Gomez | — | (408) 839 9614 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Barry D La France | Barry D La France | — | (408) 221 5761 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Barsegian Construction | Oganes Barsegian | — | (408) 981 4554 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Barsuglia Electric INC | Russell Steven Barsuglia | — | (408) 674 1662 | Electricians | San Jose · Santa Clara County | — | — |
| Bart Manufacturing INC | David Weissbart | ales@bartmanufacturing.com | (408) 320 4373 | Other | Santa Clara · Santa Clara County | — | — |
| Bart's Lock And Safe Service | Paul Lee Bartlett | — | (408) 300 2465 | Other | San Jose · Santa Clara County | — | — |
| Bartolome Construction | Ephraime Mangrobang Bartolome | — | (408) 464 3233 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Barzel Builders INC | Ariel Philip Amit | info@barzelbuilders.com | (650) 862 8966 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Base Builders INC | Madani Hamid | — | (408) 828 7375 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Basic Connections | Basic Connections | — | (408) 609 3197 | Other | San Jose · Santa Clara County | — | — |
| Bass Locsin Masonry INC | Benny Albert Locsin | — | (408) 425 0427 | Other | San Martin · Santa Clara County | — | — |
| Basurto Painting LLC | Nicanor Basurto | office@basurtopainting.com | (408) 206 4906 | Windows, patio, painters | Palo Alto · Santa Clara County | — | — |
| Bathrooms By Remodeling Specialists | Jozo| Caran Josef Caran | — | (408) 378 6700 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Batim Builders | Avivit Michal Katzir | — | (650) 210 0065 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |