| Barry's Handyman - Hauling | Barry's Handyman - Hauling | — | (530) 867 0263 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Bassett Plumbing INC | Stephen Patrick Bassett | — | (415) 464 7373 | Other | Woodland · Yolo County | — | — |
| Bauer Refinishing | Bauer Refinishing | — | (707) 333 4882 | Windows, patio, painters | Winters · Yolo County | — | — |
| Baytel | Hong-hanh Thi Le | service@baytel.com | (530) 758 0784 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Bc Construction | Moreno Diego | — | (530) 400 3182 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Bdh Plumbing LLC | David Jr Raper | — | (707) 880 8262 | Other | Davis · Yolo County | — | — |
| Bengene Paul Consol Construction | Consol Bengene Paul Comstruction | — | (530) 304 2847 | GC, remodel, ADU | Guinda · Yolo County | — | — |
| Benjamin Electric | Benjamin Murray Wollrich | — | (530) 902 5183 | Electricians | Davis · Yolo County | — | — |
| Benjamin Nolen | Benjamin Nolen | — | (530) 219 8504 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Bennett Building Company | John Bennett Makela | — | (530) 205 3728 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Berg Construction | Berg Nikolay | — | (916) 715 0007 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Bermuda Electric INC | Valadez Fernando Bermudez | — | (530) 312 2085 | Electricians | Woodland · Yolo County | — | — |
| Bertero & Brown Construction | Mitchell Lane Bertero | — | (916) 955 1068 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Best Choice Remodeling | Best Choice Remodeling | info@bestchoiceremodeling.com | (619) 737 8498 | GC, remodel, ADU | Winters · Yolo County | — | — |
| Best Ecoway INC | Xiaojun Peng | — | (650) 787 8401 | Electricians | Davis · Yolo County | — | — |
| Big Valley Metals | Joseph Robert Vela | — | (916) 372 2373 | Other | West Sacramento · Yolo County | — | — |
| Bill Green Maintenance Service | William Leroy Green | — | (530) 400 3664 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Bill Muller Construction | Fredrick William Muller | — | (530) 219 6116 | GC, remodel, ADU | Esparto · Yolo County | — | — |
| Bl/hp Builders | Pride Construction INC Home | — | (530) 723 1441 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Black Diamond Construction | Jared Timothy Williams | — | (530) 713 1765 | GC, remodel, ADU | Dunnigan · Yolo County | — | — |
| Black Lab Remodeling | Alberto Victor Aldrete | info@blacklabremodeling.com | (530) 723 1717 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Black Marble And Granite INC | Stephen Scott Black | — | (530) 681 5547 | Other | Esparto · Yolo County | — | — |
| Blackard Painting | Blackard Painting | — | (530) 632 4518 | Windows, patio, painters | Capay · Yolo County | — | — |
| Blake's Heating & Air Conditioning | Brody Lane Blake | — | (530) 758 4030 | HVAC | Davis · Yolo County | — | — |
| Blazona Concrete Construction Inc. | John Dennis Blazona | info@blazona.biz | (916) 375 8337 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Blazona Development INC | John Dennis Blazona | — | (916) 869 4518 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Blc Concrete Construction | Dale George Jr Stalie | — | (530) 666 5045 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Blickle's Tile | Blickle's Tile | — | (916) 834 9848 | Other | Woodland · Yolo County | — | — |
| Blue Sky Contractors INC | Oscar Lopez | — | (916) 997 9197 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Blueline Plumbing | Blueline Plumbing | — | (530) 902 3403 | Other | Dunnigan · Yolo County | — | — |
| Bobs Glass INC | Robert Richard Dutra | info@bobsglass.com | (916) 739 8244 | Windows, patio, painters | West Sacramento · Yolo County | — | — |
| Border Remodeling | Border Remodeling | — | (530) 220 3472 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Boschken Construction | Steven Forrest Boschken | — | (530) 756 7653 | Electricians | Davis · Yolo County | — | — |
| Braden Fields Construction INC | Bobby Fields | bfields.construction@gmail.com | (530) 304 9887 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Breeze Control INC | Aleksandr G Balakhnin | — | (916) 952 7352 | HVAC | West Sacramento · Yolo County | — | — |
| Brennan Tile INC | Francis Patrick Brennan | — | (530) 304 2345 | Other | Woodland · Yolo County | — | — |
| Bret's Brick & Block | Bret's Brick & Block | — | (530) 908 0497 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Brett Hager Construction | Brett Patrick Hager | — | (530) 979 1096 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Brett's Glass | Brett's Glass | — | (530) 908 8999 | Windows, patio, painters | Woodland · Yolo County | — | — |
| Brian Kuhn Painting | Brian Kuhn Painting | — | (530) 219 8474 | Windows, patio, painters | Woodland · Yolo County | — | — |