| B C Mechanical Heating & AC | Joel Michael Butler | buildzoomsupport@blockrenovation.com | (619) 403 1654 | HVAC | El Cajon · San Diego County | — | — |
| B C P Construction | Sandra Arlene Gonzalez | — | (619) 630 1332 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B C S Builders | Bodie Christopher Suter | — | (619) 952 4384 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| B C Vision INC DBA Custom Pacific | Timothy Thomas Coby | — | (619) 384 2256 | Other | San Diego · San Diego County | — | — |
| B Connected | B Connected | info@b-connected.com | (619) 312 7332 | Other | El Cajon · San Diego County | — | — |
| B D C Group | James Michael Kay | — | (858) 518 7217 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B D R Electric | Romero Richard | contact@claycoelectric.org | (858) 335 5577 | Electricians | San Diego · San Diego County | — | — |
| B E T Construction | Blayne Edward Thibodeau | — | (619) 871 9372 | GC, remodel, ADU | La Mesa · San Diego County | — | — |
| B F C Construction | Lance Allen Deines | — | (619) 672 8555 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| B Flynn Construction | Barry Jon Flynn | — | (760) 224 4161 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| B G Carpentry Services | Galindez Baltazar | bgcarpentrynaas@gmail.com | (760) 535 1625 | Other | Escondido · San Diego County | — | — |
| B G R Construction INC | Michael Leslie Gratzl | — | (760) 801 1121 | Other | Valley Center · San Diego County | — | — |
| B Garber Plumbing INC DBA Steam Diego | Steven Ernest Garber | — | (619) 295 2780 | Pool | San Diego · San Diego County | — | — |
| B H I Builders INC | Tabrizi Behnam | — | (760) 803 9747 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B H Merritt | B H Merritt | — | (619) 995 6044 | GC, remodel, ADU | Carlsbad · San Diego County | — | — |
| B H S Construction INC | Matthew Wayne Beavers | — | (951) 537 8186 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| B J & Stuart DBA Robison Electrical Contracting And Design | Stuart Paul Robison | — | (619) 890 0557 | Electricians | San Diego · San Diego County | — | — |
| B James Ltd | James Bruce | — | (760) 458 4699 | GC, remodel, ADU | Bonsall · San Diego County | — | — |
| B K Door & Trim | Garrin Wayne Fuller | — | (619) 994 6315 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| B K Flooring | B K Flooring | — | (858) 335 6375 | Other | San Diego · San Diego County | — | — |
| B K M Tree Service | Bryan Kenneth Mighetto | — | (619) 252 6809 | Tree | Lakeside · San Diego County | — | — |
| B K Plumbing | B K Plumbing | — | (760) 443 7170 | Other | Escondido · San Diego County | — | — |
| B L I S Construction | Scott Christopher Aulds | — | (619) 417 9405 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B L Painting | B L Painting | — | (760) 696 7947 | Windows, patio, painters | Vista · San Diego County | — | — |
| B L T Grading And Excavating | Todd Charles Freistat | — | (760) 809 5805 | Other | Escondido · San Diego County | — | — |
| B M I L Construction INC | Brett Andrew Miller | — | (619) 715 8625 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| B M R Construction INC | Jon Alan Willingham | — | (760) 822 7820 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B M Seymour Construction INC | Brian Michael Seymour | — | (760) 801 9161 | GC, remodel, ADU | Vista · San Diego County | — | — |
| B M Windows Incorporated | Bohm Michal | bmwindows@gmail.com | (858) 621 6287 | Windows, patio, painters | San Diego · San Diego County | — | — |
| B Michael Wynne Builders INC DBA Bmw Builders | Brendan Michael Wynne | — | (858) 274 4915 | GC, remodel, ADU | La Jolla · San Diego County | — | — |
| B P Electric | William Henry Pakosta | — | (760) 723 4517 | Electricians | Fallbrook · San Diego County | — | — |
| B P Jones Construction | Bret Patrick Jones | — | (619) 219 1697 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| B P Muldoon Contracting | Brian Patrick Muldoon | — | (619) 818 9015 | GC, remodel, ADU | La Mesa · San Diego County | — | — |
| B P Plumbing | B P Plumbing | — | (919) 553-4455 | Other | Spring Valley · San Diego County | — | — |
| B Pro Construction Group INC | Moreno Adrian Gonzalez | — | (619) 480 7003 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| B Q T And Stone | Luis Alberto Sagrero Munoz | — | (619) 410 8140 | Other | Chula Vista · San Diego County | — | — |
| B Rasmussen Construction | Blair Rodney Rasmussen | — | (858) 382 7576 | GC, remodel, ADU | Alpine · San Diego County | — | — |
| B Rock Concrete INC | Booker T Johnson | mekenzie@brockconcrete.com | (541) 756-0282 | Other | Valley Center · San Diego County | — | — |
| B S D Builders INC | Jeff Robert Blair | info@bsdbuilders.com | (858) 657 9186 | HVAC | San Diego · San Diego County | — | — |
| B S M Construction Co | Bradley Scot Murray | — | (619) 520 6308 | GC, remodel, ADU | Cardiff · San Diego County | — | — |