| Beach Front Builders | Beach Front Builders | — | (805) 782 4050 | GC, remodel, ADU | Oceano · San Luis Obispo County | — | — |
| Beach Town Electric | Kevin David Klein | — | (530) 457 6937 | Electricians | Morro Bay · San Luis Obispo County | — | — |
| Bear River Mechanical INC | Osorio Jerry | — | (805) 423 2403 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Beck's Mechanical Systems | Walter George Beck | walt@becksmechanicalsystems.com | (805) 432 3167 | HVAC | Paso Robles · San Luis Obispo County | — | — |
| Becker Landscaping | Becker Landscaping | — | (805) 538 8236 | Windows, patio, painters | Santa Margarita · San Luis Obispo County | — | — |
| Bee Right There Heating & Air | Michael Ray Wiley | — | (805) 466 2237 | HVAC | Atascadero · San Luis Obispo County | — | — |
| Beecham's Roofing | Richard Trajan Beecham | — | (805) 704 6974 | Other roofers | Los Osos · San Luis Obispo County | — | — |
| Beem Design & Construction | Tyler Crockett Beem | — | (805) 440 6534 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Bejar Painting INC | Manuel Alberto Bejar | — | (805) 296 4641 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| Bell Craftsmen | Bell Craftsmen | — | (805) 461 6744 | Other | Atascadero · San Luis Obispo County | — | — |
| Bella Rosa Tile & Stone | Bella Rosa Tile & Stone | — | (805) 709 0587 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Bello Tile | Bello Tile | bellotile805@gmail.com | (805) 345 1862 | Other | Nipomo · San Luis Obispo County | — | — |
| Bells Plumbing Repair INC | Dylan Garrett Casebolt | — | (805) 466 1610 | Other | Atascadero · San Luis Obispo County | — | — |
| Beltran's Painting And Construction | Jose Maria Beltran | — | (805) 909 0799 | GC, remodel, ADU | Cambria · San Luis Obispo County | — | — |
| Ben Grosskreutz General Conractor | Ben Grosskreutz General Conractor | — | (805) 927 0792 | GC, remodel, ADU | Cambria · San Luis Obispo County | — | — |
| Ben Heaston's 24hr Plumbing | Ben Heaston's 24hr Plumbing | — | (805) 927 1911 | Other | Cambria · San Luis Obispo County | — | — |
| Ben Tomkinson Construction | Ben Andrew Tomkinson | — | (661) 714 1219 | GC, remodel, ADU | Grover Beach · San Luis Obispo County | — | — |
| Benchmark | David Dean Floyd | — | (805) 545 8701 | Other | Grover City · San Luis Obispo County | — | — |
| Benchmark Construction Residential - Commercial INC | Jon Edwin Voorhies | — | (805) 550 8356 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Benedetto Construction | Robert Edward Benedetto | — | (805) 748 9553 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Benjamin James Bevan | Benjamin James Bevan | — | (805) 405 5654 | GC, remodel, ADU | Grover Beach · San Luis Obispo County | — | — |
| Bennett And Sons Heating And Air INC | Paul Wesley Jr Bennett | — | (805) 226 0601 | HVAC | Paso Robles · San Luis Obispo County | — | — |
| Bennington Construction | James E Bennington | — | (805) 235 1749 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Benson Development INC | Chad Allen Benson | — | (805) 440 6729 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Bergantz Group INC | Aaron Michael Bergantz | — | (805) 748 2828 | GC, remodel, ADU | Avila Beach · San Luis Obispo County | — | — |
| Berlogar Excavation | Berlogar Excavation | — | (805) 438 5005 | Other | Creston · San Luis Obispo County | — | — |
| Berry Construction | Ronald Gene Berry | — | (805) 423 8736 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Berry Construction & Restoration INC | Randy Allen Berry | — | (805) 474 1788 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Bertilacchi Landscape | Bertilacchi Landscape | chris@bertilacchilandscape.com | (805) 550 9540 | Windows, patio, painters | Grover Beach · San Luis Obispo County | — | — |
| Berwick Painting & Decorating | Berwick Painting & Decorating | — | (805) 610 2636 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Best - Way Gardening Service INC | Darren Edmund Deniz | — | (805) 481 3774 | Windows, patio, painters | Arroyo Grande · San Luis Obispo County | — | — |
| Betschart Electric | Brian Robert Betschart | info@betschartelectric.com | (805) 423 5118 | Electricians | Paso Robles · San Luis Obispo County | — | — |
| Bettencourt Electric INC | Ethan Andrew Bettencourt | — | (805) 471 7429 | Electricians | Cayucos · San Luis Obispo County | — | — |
| Bevel & Hinge | Bevel & Hinge | — | (805) 458 8535 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Beverley L Pratt | Beverley L Pratt | — | (805) 543 0647 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Bickell Construction | Evan Shawn Bickell | — | (805) 801 3993 | GC, remodel, ADU | Cambria · San Luis Obispo County | — | — |
| Big Coast Skylight Construction INC | Brian Dennis Conn | — | (805) 792 2425 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Big Sky Construction | Timothy Gale Granvold | — | (972) 226-4704 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Big Wakoo Fence INC | Lucas Christopher Smith | — | (805) 295 0091 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Bill Babka Construction & Tile | William Cleon Babka | — | (805) 235 2505 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |