| Bertet Builders | Joel Alain Bertet | info@bertetbuilders.com | (650) 801 2699 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Besa Builders LLC | Gzim I Kraja | — | (408) 888 7658 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Beslagic Tile | Ajsa Beslagic | — | (408) 390 5029 | Other | Santa Clara · Santa Clara County | — | — |
| Bespoke Electric LLC | Robert Paul Avalos | — | (408) 461 1016 | Electricians | Campbell · Santa Clara County | — | — |
| Bessant Construction Company | Jonathan David Bessant | — | (408) 204 3997 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Best Alarm Company INC | Gary Morikawa | — | (408) 871 2400 | Electricians | Sunnyvale · Santa Clara County | — | — |
| Best Area Home Improvement | Best Area Home Improvement | info@indiantypefoundry.com | (408) 505 8858 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Best Bay Plumbing & Rooter | Best Bay Plumbing & Rooter | — | (669) 278 3975 | Other | San Jose · Santa Clara County | — | — |
| Best Brother Builder | Lan Jiang | — | (650) 517 5728 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Best Builders Construction INC | Ramirez Luis Rodriguez | — | (408) 373 4849 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Best Communication & Electrical | Kirti Krishna Patel | — | (831) 247 0948 | Electricians | San Jose · Santa Clara County | — | — |
| Best Construction | Sergiu Ioan Deac | get-info@best-construction.com | (415) 368 3887 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Best Option Concrete INC | Ernesto Melena | — | (669) 600 9627 | Other | Sunnyvale · Santa Clara County | — | — |
| Best Overhead Garage Doors | Best Overhead Garage Doors | — | (209) 599 3188 | Other | San Jose · Santa Clara County | — | — |
| Best Print Graphics | Kalpen Rajnikant Shah | info@bestprintgraphics.com | (408) 855 9727 | Other | Santa Clara · Santa Clara County | — | — |
| Best Quality Plumbers INC | Gonzalez Fernando | — | (408) 859-3993 | Other | San Jose · Santa Clara County | — | — |
| Best Quality Plumbing | Best Quality Plumbing | — | (669) 294 1532 | Other | San Jose · Santa Clara County | — | — |
| Best Team Painting | Sun Ae Sok | — | (408) 599 8976 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| Best View Landscape | Best View Landscape | — | (408) 802 7622 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Bestop Plumbing & Drain | Bestop Plumbing & Drain | — | (408) 747 7585 | Other | San Jose · Santa Clara County | — | — |
| Bettencourt Builders INC | Joe Norbert Bettencourt | — | (408) 234 3036 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Better Built Construction INC | Brian Kieth Eslick | brian@betterbuiltconstruction.com | (408) 848 9850 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Better Landscape INC | Steve Albert Ashley | cecilia@betterlandscape.com | (408) 841 9485 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Better Plumbing | Better Plumbing | — | (408) 263 8433 | Other | Milpitas · Santa Clara County | — | — |
| Better Water Heaters INC | Frans Robert Cartwright | info@betterwaterheaters.com | (408) 686-4969 | Other | San Jose · Santa Clara County | — | — |
| Betterbuilt Builders INC | Eliyahu Yehonatan | — | (669) 208 5151 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Beyond Construction Builders | Adrian Jr Hernandez | — | (408) 898 0662 | Other roofers | San Jose · Santa Clara County | — | — |
| Beyond Electric LLC | Joshua Andre Rodriguez | — | (408) 599 2254 | Electricians | San Jose · Santa Clara County | — | — |
| Bg General Contractor | Alex Ricardo Baylon Montoya | — | (407) 535 3796 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Bg Landscaping Services | Jose Luis Berumen Gonzalez | — | (408) 706 8792 | Windows, patio, painters | San Martin · Santa Clara County | — | — |
| Bgb Construction INC | Britton George Bigelow | — | (408) 206 8541 | Electricians | Gilroy · Santa Clara County | — | — |
| Bh Construction & Development INC | Oshri Prosper Malka | — | (408) 204 4792 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Bhooma INC | Robert Blair Jr Wallingford | — | (408) 621 2091 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Bic Heating & Air Conditioning | Bic Heating & Air Conditioning | — | (408) 316 0976 | HVAC | San Jose · Santa Clara County | — | — |
| Big Bay Construction LLC | Jason Cardoza | jay@bigbayconstruction.com | (408) 455 9871 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Big Bay Plastering INC | Cardoza Jason | jay@bigbayplastering.com | (408) 512 0771 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Big Ben's Heating & Air Conditioning | Ben Lee Sanchez | — | (408) 313 7120 | HVAC | San Jose · Santa Clara County | — | — |
| Big Builders Co | Sead Sabetich | — | (408) 655 0544 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| Big League Painting | Big League Painting | — | (408) 603 9029 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Big M Roofing INC | Felix Mauricio Ochoa | — | (408) 667 5733 | Other roofers | San Jose · Santa Clara County | — | — |