| Batinich Masonry | Batinich Masonry | — | (408) 422 8763 | Other | San Jose · Santa Clara County | — | — |
| Battaglia Construction INC | David Robert Battaglia | — | (650) 722 6228 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |
| Bauhaus Design & Construction Corporation | Pourabdollah Saeid | — | (408) 440 6439 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bautista Builders | Bautista Builders | — | (408) 599 8401 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Bay 101 Roofing INC | J Luz Ramirez Nunez | — | (408) 957 0531 | Other roofers | Alviso · Santa Clara County | — | — |
| Bay 360 Construction INC | Justin Zhi-Xiong Luo | — | (415) 420 5011 | Electricians | San Jose · Santa Clara County | — | — |
| Bay 88 Roofing INC | Mher M Mikayelyan | — | (408) 410 7183 | Other roofers | Saratoga · Santa Clara County | — | — |
| Bay Adu & Additions LLC | Kelli Narwani | — | (818) 804 7516 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Bay Ai Builders INC | Andrew Kin Lui | — | (408) 921 6362 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Bay Area Acoustics | Bay Area Acoustics | — | (408) 891 8965 | Other | Campbell · Santa Clara County | — | — |
| Bay Area Activo INC | Mario D Cornejo | — | (408) 797 7424 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Asphalt & Cement Works INC | John Scott Kolander | — | (408) 937 0510 | Other | San Jose · Santa Clara County | — | — |
| Bay Area Audio INC | Keith Paul Lundell | impallari@gmail.com | (408) 255 0735 | Other | San Jose · Santa Clara County | — | — |
| Bay Area Backflow INC | Steven Lionel Johnson | — | (408) 848 5200 | Other | Gilroy · Santa Clara County | — | — |
| Bay Area Backyard Design | Bay Area Backyard Design | — | (408) 590 5755 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Builders INC | Kenneth Edward| Rowell Kenneth E Rowell | — | (408) 648 4500 | Other roofers | Santa Clara · Santa Clara County | — | — |
| Bay Area Canvas INC | Christopher Louis Ferretti | — | (408) 727 1242 | Other | Santa Clara · Santa Clara County | — | — |
| Bay Area Closets | Bay Area Closets | — | (408) 768 3002 | Other | San Jose · Santa Clara County | — | — |
| Bay Area Concrete Polishing | Martin Gerwin Helda | — | (408) 550-0556 | Other | San Jose · Santa Clara County | — | — |
| Bay Area Construction | Manuel Antonio Espinoza | — | (650) 642 4544 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Construction INC | Jeffrey Luna | — | (510) 877 2219 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Bay Area Contractors Ltd | Gargi Sharma | support@bay-area-contractors.com | (925) 406-3000 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Bay Area Custom Construction | Troy Scott Trujillo | — | (408) 621 0333 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Custom Floor Designs INC | Sean Kieran Oman | — | (408) 279 2200 | Other | San Jose · Santa Clara County | — | — |
| Bay Area Demolition And Construction | Stephan Missak Bagboudarian | — | (408) 809 6442 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Bay Area Demolition And Hauling | John Octavio Alviter | — | (408) 663 5865 | Other | San Jose · Santa Clara County | — | — |
| Bay Area Design & Construction | Abdolreza Payman Farzaneh | — | (408) 209 8942 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Bay Area Developer & Associates Construction | Quang Dat Nguyen | — | (408) 394 8065 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Developments INC | Kumar Steve | — | (669) 977 0822 | Electricians | San Jose · Santa Clara County | — | — |
| Bay Area Electric INC | John Rafael Lopez | info@bayareaelectric.com | (408) 413 9255 | Electricians | Santa Clara · Santa Clara County | — | — |
| Bay Area Electric Pro INC | Manuel Jr Villa | — | (408) 843 6761 | Electricians | Gilroy · Santa Clara County | — | — |
| Bay Area Electrical Solutions | Christopher Joseph Alton | — | (408) 833 3061 | Electricians | Coyote · Santa Clara County | — | — |
| Bay Area Enterprise | Bay Area Enterprise | — | (408) 238 5043 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Excavating And Grading INC | Justin Michael Gushi | — | (415) 948 6158 | Other | San Jose · Santa Clara County | — | — |
| Bay Area Fence & Deck INC DBA Bay Area Redwood Fence & Deck | Wan Ching Haynes | — | (408) 365 9999 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Fiber Plus | Bay Area Fiber Plus | contact@bayareafiberplus.com | (254) 302-9286 | Other | Campbell · Santa Clara County | — | — |
| Bay Area Fiber Plus LLC | Duarte Leonardo Francisco | contact@bayareafiberplus.com | (254) 302-9286 | Other | Campbell · Santa Clara County | — | — |
| Bay Area Fireplace Const & Insulation | Hisham Khalil Ghanma | — | (408) 206 1107 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Bay Area Gas Builders INC | Mirit Adler | — | (818) 620 4344 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Bay Area Glass And Windows Incorporated | Kamran Ravon | — | (408) 685 3337 | Windows, patio, painters | San Jose · Santa Clara County | — | — |