| Boneso & Harms LLC | Robert Brandon Boneso | — | (805) 610 4104 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Boneso Brothers Construction INC | Steve Craig Boneso | — | (805) 227 4450 | HVAC | Paso Robles · San Luis Obispo County | — | — |
| Bonham Door And Trim | Bonham Door And Trim | — | (805) 423 4483 | Other | Paso Robles · San Luis Obispo County | — | — |
| Bonus Building Company | Derek Allen Williams | info@bonus-building.com | (805) 748 2698 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Borders Electric LLC | Andrew Capriotti Borders | — | (805) 792 9853 | Electricians | Atascadero · San Luis Obispo County | — | — |
| Borland Built And Managed LLC | James Clark Borland | — | (805) 215 4859 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Borlodan Painting Company INC | George Michael Borlodan | — | (805) 295 0194 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Boston Electric | Christopher Thomas Mahoney | — | (508) 505 1941 | Electricians | Arroyo Grande · San Luis Obispo County | — | — |
| Botanicon INC | Tiffany Anne Faulstich | support@botanicon.com | (805) 732 7476 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Boydston Masonry | Boydston Masonry | bids@boydstonmasonry.com | (805) 249 0006 | Other | Atascadero · San Luis Obispo County | — | — |
| Brad Anderson Construction INC | Bradley Theodore Anderson | — | (805) 431 0578 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Brad Edwards Construction | Brad Thomas Edwards | — | (805) 868 2874 | GC, remodel, ADU | Nipomo · San Luis Obispo County | — | — |
| Brad Fogel Designer / Builder | Brad Fogel Designer / Builder | — | (805) 458 3828 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Brad Link Construction | Bradley Joseph Link | — | (209) 495 3259 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Brad W Lachemann | Brad W Lachemann | — | (805) 440 5724 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Brad W Sherwood | Brad W Sherwood | — | (805) 391 3331 | Other | Atascadero · San Luis Obispo County | — | — |
| Brads Overhead Doors INC | Bradley Wayne Spence | — | (805) 239 0202 | Other | Paso Robles · San Luis Obispo County | — | — |
| Brallier Fine Woodworking INC | David Edward Brallier | — | (408) 205 4274 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Brandon E Macie | Brandon E Macie | — | (805) 773 5932 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Brandon Ramler | Brandon Ramler | — | (805) 748 6742 | Electricians | San Luis Obispo · San Luis Obispo County | — | — |
| Brandon Roy's Aquaman Enterprises INC | Brandon Arthur Roy | — | (559) 901 0328 | Pool | Nipomo · San Luis Obispo County | — | — |
| Braunschweig Construction | Robert Kris Braunschweig | — | (805) 459 7986 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Bravo Construction | Jason Andrew Bravo | — | (805) 226 7545 | Pool | Paso Robles · San Luis Obispo County | — | — |
| Bravo Developments | Bravo Developments | — | (805) 543 6630 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Brayden D Bodine | Brayden D Bodine | — | (805) 952 3420 | GC, remodel, ADU | Cayucos · San Luis Obispo County | — | — |
| Brayton Power Services LLC | Peter Constantine Suhonos | — | (925) 381 4047 | Other | Paso Robles · San Luis Obispo County | — | — |
| Brazell Builders | Brazell Builders | — | (805) 268 2468 | GC, remodel, ADU | Grover Beach · San Luis Obispo County | — | — |
| Brebes Builders | Brebes Builders | — | (805) 440 4128 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Breese Welding | Jason Daniel Breese | — | (805) 610 4118 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Brennan Construction & Design | Michael Gary Brennan | — | (805) 431 2257 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Brennan Landscapes | Brennan Landscapes | — | (805) 904 3135 | Windows, patio, painters | Pismo Beach · San Luis Obispo County | — | — |
| Brent Kenney Construction | Brent Justin Kenney | — | (805) 235 2663 | GC, remodel, ADU | Cayucos · San Luis Obispo County | — | — |
| Breska & Associates Co | Richard Michael Breska | — | (805) 544 4232 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Brezden Pest Control | Brezden Pest Control | — | (805) 549-5731 | Pest, tile roofs | San Luis Obispo · San Luis Obispo County | — | — |
| Brian Bohner Concrete | Brian Bohner Concrete | — | (805) 471 1697 | Other | Paso Robles · San Luis Obispo County | — | — |
| Brian C French | Brian C French | — | (805) 235 5521 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Brian Church Flooring | Brian Church Flooring | — | (805) 710 6974 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Brian Greig Construction INC | Brian William Greig | — | (805) 431 4071 | GC, remodel, ADU | Nipomo · San Luis Obispo County | — | — |
| Brian Kliss General Contractor | Brian Kliss General Contractor | — | (805) 434 8693 | GC, remodel, ADU | Templeton · San Luis Obispo County | — | — |
| Brian Meissner Electric | Brian Richard Meissner | — | (805) 543 7477 | Electricians | San Luis Obispo · San Luis Obispo County | — | — |