| Bothof Brothers Construction | Bothof Henk | info@bothofbrothersconstruction.com | (760) 390 3962 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Bothof Remodel And Construction | Robert Wendall Bothof | — | (619) 922 3135 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Bothwell Co | Matthew Bruce Bothwell | marketing@bothwell.com | (858) 764 1963 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| Botsford Construction INC | Timothy Lee Botsford | — | (760) 207 8515 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Bott Construction | Jerry Kevin Bott | — | (858) 200 6344 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Botticelli Countertops | Botticelli Countertops | — | (619) 454 3028 | Other | El Cajon · San Diego County | — | — |
| Bottom Up Construction INC | Carachure Ramos Noe | jeff@bottomupconstruction.com | (442) 226 2732 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Bouchey's Heat & Air Cond | Bouchey's Heat & Air Cond | mn@tritonair.net | (619) 843 9207 | HVAC | Escondido · San Diego County | — | — |
| Bouillon Renovations LLC | Earl Howard Bouillon | lulu@lulubouillon.com | (760) 707 4970 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| Boulder Construction INC | Cesar Leonel Garcia | — | (619) 301 2399 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Boulder Contracting Company | Charlie Dub Eaton | — | (760) 497 5178 | Other | Escondido · San Diego County | — | — |
| Boulder Landscapes | Kyle Edward Shelton | — | (619) 302 0490 | Windows, patio, painters | El Cajon · San Diego County | — | — |
| Boundless Development Group LLC | Edwin Daniel Mejia Medina | — | (619) 732 2079 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Bourke Design Build | Bourke Design Build | — | (858) 405 2583 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bovenzi Home's | Bovenzi Home's | — | (530) 613 1173 | GC, remodel, ADU | Rancho Santa Fe · San Diego County | — | — |
| Bovey Raingutters INC | Leonardo Noe Bovey | — | (619) 935 9965 | Other | Chula Vista · San Diego County | — | — |
| Bow Electric | Indegno Alessio | — | (760) 908 1578 | Electricians | Oceanside · San Diego County | — | — |
| Bowcon Company INC | Dennis Lyle Bowman | info@bowcon.com | (858) 967 1935 | HVAC | Valley Center · San Diego County | — | — |
| Bowden Builders Development Corp | Paul Thomas Bowden | — | (619) 210 5925 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Bowden General Contracting | Paul Thomas Jr Bowden | guy@infinitydesignbuild.com | (619) 730 9250 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Bowes Remodeling INC | Bradford Scott Bowes | — | (619) 402 0978 | GC, remodel, ADU | La Mesa · San Diego County | — | — |
| Bowie Construction Enterprise | John Ollie Williams | — | (619) 206 6044 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bowie's Construction | Curtis Lee Bowie | — | (619) 252 7649 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bowker Builders LLC | Christopher Bowker Jones | customer.service@bowkerbuilders.com | (619) 980 5740 | Electricians | Bonsall · San Diego County | — | — |
| Boyars INC DBA Boyars Kitchen Cabinets | Melissa Marie| Scott Melissa Marie Perez | — | (858) 549 2000 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Boyce's Roofing And Repair | James Edward Boyce | — | (949) 876-7866 | Other roofers | Vista · San Diego County | — | — |
| Boys With Tools | Boys With Tools | — | (760) 814 0885 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Bp Construction | Brian Allan Phillips | — | (619) 403 4393 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Bp Construction | Chris Brinker | — | (760) 440 0279 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Bp Water Concepts INC | Reynaldo Ben Botello | info@bpwaterconcepts.com | (760) 695 6624 | Pool | Fallbrook · San Diego County | — | — |
| Bpa Construction INC | Bryan Perez | — | (619) 757 7899 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Bq Painting INC | De Caceres Gadea Nicole Nunez | — | (619) 621 9979 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Br Remodeling | Cesar Alonzo Valladolid-Melendez | — | (858) 310 6555 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Brache Corp | Eric Matthew Brache | eddie.haro@electricare.com | (949) 702 2997 | Electricians | Fallbrook · San Diego County | — | — |
| Brackett Floor Prep | Brackett Floor Prep | impallari@gmail.com | (760) 644 0117 | Other | Escondido · San Diego County | — | — |
| Brackin Construction | Derek Phillip Brackin | — | (619) 992 8383 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| Brad Brockway | Brad Brockway | aqremodeling2@gmail.com | (619) 246 1855 | GC, remodel, ADU | Lakeside · San Diego County | — | — |
| Brad L Stoner Painting INC | Brad Leland Stoner | — | (858) 586 7751 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Brad Maassen Design And Development | Brad Maassen Design And Development | — | (760) 519 3939 | Windows, patio, painters | Cardiff · San Diego County | — | — |
| Brad Moreau Construction | Bradley Richard Moreau | — | (949) 370 8496 | GC, remodel, ADU | Oceanside · San Diego County | — | — |