| Brian Mueller Landscape Incorporated | Brian Michael Mueller | — | (805) 801 7057 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Brian Phillips Construction | Brian Herbert Phillips | — | (805) 748 8858 | GC, remodel, ADU | Oceano · San Luis Obispo County | — | — |
| Brian Richey's Tile Work | Brian Richey's Tile Work | brian@brianricheystilework.com | (805) 710 7027 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Brian Stote Construction | Brian Blair Stote | — | (805) 473 2345 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Brick Signs | Brick Signs | — | (805) 710 2128 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Bright Home | Bright Home | support@brighthome.com | (805) 464 8705 | GC, remodel, ADU | San Miguel · San Luis Obispo County | — | — |
| Brilliant Painting | Brilliant Painting | — | (805) 710 6867 | Windows, patio, painters | Arroyo Grande · San Luis Obispo County | — | — |
| Brindley Construction & Painting | Randy Lee Brindley | — | (805) 441 0421 | GC, remodel, ADU | Cayucos · San Luis Obispo County | — | — |
| Brooks Construction Incorporated | Brooks Kelwyn Andie | — | (805) 712 7425 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Brothers Painting | Brothers Painting | — | (805) 471 6013 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Brough Construction INC | Jeffrey Lee Brough | — | (805) 489 7779 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Browder Painting Company | Ryan Dale Browder | — | (805) 544 0547 | Windows, patio, painters | San Luis Obispo · San Luis Obispo County | — | — |
| Brown Construction | Jack Richard Brown | — | (805) 610 3163 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Brownco Construction | Mitchael Paul Brown | — | (805) 423 8517 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Brownlee Construction INC | Matthew Zachariah Brownlee | — | (805) 550 4414 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Bruce Black | Bruce Black | — | (805) 453 0062 | GC, remodel, ADU | Cambria · San Luis Obispo County | — | — |
| Bruce Owens Painting | Bruce Owens Painting | bruceowenspainting@charter.net | (805) 466 4167 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Bruce Vanderveen Construction INC | Bruce Ralph Vanderveen | — | (805) 441 4715 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Brug Construction | Patrick Derek Brug | — | (805) 748 8397 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Bryan Berti Painting | Bryan Berti Painting | — | (805) 801 9448 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| Bryan Eisemann Construction | Bryan Henry Eisemann | — | (805) 674 5877 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Bryan Gage's Anything In Trees | Bryan Gage's Anything In Trees | — | (805) 543 3417 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Bryan Hanft Plumbing | Bryan Hanft Plumbing | — | (805) 459 0373 | Other | Los Osos · San Luis Obispo County | — | — |
| Bryan Karp Painting | Bryan Karp Painting | — | (805) 423 7395 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| Bryan S Wallace | Bryan S Wallace | — | (559) 805 9263 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Bryant Durfee Construction | Bryant Richard Durfee | — | (805) 286 8094 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Bryer Carlson Drilling Contractor | Bryer Carlson Drilling Contractor | — | (805) 748 9710 | Other | Morro Bay · San Luis Obispo County | — | — |
| Buddy Lee's Carpet Installation | Buddy Lee's Carpet Installation | — | (209) 303 8251 | Other | Grover Beach · San Luis Obispo County | — | — |
| Buddy's Painting INC | Cesar Alberto Cruz Gomez | — | (805) 260 5670 | Windows, patio, painters | Nipomo · San Luis Obispo County | — | — |
| Builders Of Light LLC | Austin Scott Bixler | — | (805) 441 4158 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Built - Rite Construction | Peter John Kretzu | — | (805) 440 5970 | GC, remodel, ADU | Templeton · San Luis Obispo County | — | — |
| Bullard And Sons Construction INC | David James Bullard | — | (805) 434 1414 | Other | Templeton · San Luis Obispo County | — | — |
| Bullard Builders | Bullard Builders | — | (805) 801 7076 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Bullard Family Construction INC | Stetson Allan Bullard | info@bullardfamilyconstruction.com | (805) 471-0649 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Bunnell Construction INC | Daniel Bailey Scarry | — | (805) 544 4300 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Bunyon Bros Green Waste INC | Ronald Egron Rinell | — | (805) 547 1903 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Bunyon Bros Tree Care INC | Ronald Egron Rinell | — | (805) 547 1903 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Bunyon Bros Tree Service | Ronald Egron Rinell | — | (805) 547 1903 | Tree | San Luis Obispo · San Luis Obispo County | — | — |
| Burch Concrete Solutions | Aaron Michael Burch | — | (805) 748 4289 | Other | Los Osos · San Luis Obispo County | — | — |
| Burcheri Construction | James Salvator Burcheri | — | (805) 235 4396 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |