| Brix Construction INC | Zhenrui Shang | — | (657) 258 1292 | GC, remodel, ADU | Fullerton · Orange County | — | — |
| Brix Masonry INC | Justin Anthony Leli Erdtsieck | — | (714) 693 7840 | Other | Anaheim · Orange County | — | — |
| Brixton Builders INC | Michael William Kerr | — | (949) 939 2961 | GC, remodel, ADU | Laguna Niguel · Orange County | — | — |
| Brls Socal LLC | Glen Robert Land | — | (714) 200 1500 | Other | Costa Mesa · Orange County | — | — |
| Brm General Construction | Medorio Baltazar Rodriguez | info@brmgeneralconstruction.com | (949) 285 2519 | GC, remodel, ADU | Orange · Orange County | — | — |
| Bro Tree Service INC | Reyes German Garcia | — | (714) 880 2065 | Tree | Anaheim · Orange County | — | — |
| Broadband Technicians | Broadband Technicians | — | (714) 363 2637 | Other | Anaheim · Orange County | — | — |
| Brockington Interiors | Daniel Grant Brockington | — | (949) 677 5547 | GC, remodel, ADU | Dana Point · Orange County | — | — |
| Brodhead & Associates | Brodhead Jeff | — | (949) 240 2828 | GC, remodel, ADU | Dana Point · Orange County | — | — |
| Brodmann Brothers INC | Mathew Allen Brodmann | — | (714) 232 5172 | GC, remodel, ADU | Buena Park · Orange County | — | — |
| Broke Plumbing INC | Hugo Braulio Ramos Resendiz | — | (714) 812 2079 | Other | Anaheim · Orange County | — | — |
| Bronco Builders | Jocelynn Santos Carlos | — | (331) 425 0020 | GC, remodel, ADU | Newport Coast · Orange County | — | — |
| Bronco Demolition LLC | Eduardo Alvarez | — | (714) 273 9917 | Other | Anaheim · Orange County | — | — |
| Brooker Associates | William Kenneth Brooker | — | (562) 267 0390 | Other roofers | La Habra · Orange County | — | — |
| Brookfield Calwest Builders LLC | Roy Edward Greathouse | — | (925) 743 8000 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Brookfield Landscape | Brookfield Landscape | — | (949) 542 0092 | Windows, patio, painters | San Clemente · Orange County | — | — |
| Brookfield Socal Builders LLC | William Brian Radley | — | (714) 200 1500 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Brooks Emergency Communications LLC | Mark Alan Brooks | — | (949) 339 3937 | Electricians | Anaheim · Orange County | — | — |
| Brooks Landscape | Brooks Landscape | — | (949) 624 0763 | Windows, patio, painters | Mission Viejo · Orange County | — | — |
| Bros | Robert Gerald Sullivan | — | (949) 689 5987 | Windows, patio, painters | San Clemente · Orange County | — | — |
| Brother's Glass | Brother's Glass | — | (714) 537 3051 | Windows, patio, painters | Garden Grove · Orange County | — | — |
| Brother's Landscape INC | Carmen Ramirez Jesse Del | — | (714) 342 7130 | Windows, patio, painters | Santa Ana · Orange County | — | — |
| Brothers Contractors INC | Frank Valdes Torres | — | (714) 225 3982 | GC, remodel, ADU | Silverado · Orange County | — | — |
| Brothers Plumbing Heating & Air Conditioning | James Charles Jr Hodges | — | (949) 548 5558 | HVAC | Costa Mesa · Orange County | — | — |
| Brouwer Construction Company INC | Steven Michael Brouwer | — | (949) 371 1974 | GC, remodel, ADU | Laguna Niguel · Orange County | — | — |
| Brown Brothers Mcdowell Builders | Christopher Edward Brown | — | (949) 715 5635 | GC, remodel, ADU | Laguna Beach · Orange County | — | — |
| Brown Mechanical Services | Douglas William Brown | — | (949) 303 0109 | HVAC | Lake Forest · Orange County | — | — |
| Brownco Construction Company INC | Scot Alan Brown | — | (714) 935 9600 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Brownco Renewable Contracting INC | Andrew Scot Brown | — | (714) 935 9600 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Browning Electric | Ronald Bruce Browning | — | (714) 476 2487 | Electricians | Anaheim · Orange County | — | — |
| Brrr Air Conditioning-heating | Brrr Air Conditioning-heating | — | (714) 746 6515 | HVAC | Tustin · Orange County | — | — |
| Brs Music & Sound INC | Isidore Abraham Saenz | — | (714) 632 7096 | Other | Placentia · Orange County | — | — |
| Bruce A Rielly | Bruce A Rielly | — | (949) 887 6233 | GC, remodel, ADU | Newport Beach · Orange County | — | — |
| Bruce Anderson Enterprises INC DBA A's Construction | Andres Daniel Aguilar | — | (714) 656 7421 | Other | Santa Ana · Orange County | — | — |
| Bruce D Palmer | Bruce D Palmer | — | (949) 395 1509 | Windows, patio, painters | Laguna Niguel · Orange County | — | — |
| Bruce Ennen Tile & Stone INC | Bruce Robert Ennen | — | (714) 585 2628 | Other | Huntington Beach · Orange County | — | — |
| Bruce Haderlie Construction & Remodeling | Bruce Dean Haderlie | — | (949) 400 9558 | GC, remodel, ADU | Rancho Santa Margarita · Orange County | — | — |
| Bruce Haines | Bruce Haines | gallery@brucehaines.com | (714) 717 7149 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Bruce Kennedy INC | Bruce Regan Kennedy | — | (714) 381 0401 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Bruce Kevin Peter | Bruce Kevin Peter | — | (949) 492 3740 | GC, remodel, ADU | San Clemente · Orange County | — | — |