| Bucey Flooring | Bucey Flooring | — | (619) 507 8642 | Other | San Diego · San Diego County | — | — |
| Buchanan Electric Company | James Davis Buchanan | — | (619) 219 4640 | Electricians | Alpine · San Diego County | — | — |
| Buckland Refrigeration INC | Henry Brian Rodriguez | info@ndiscovered.com | (619) 354 3184 | HVAC | San Diego · San Diego County | — | — |
| Buckley Builders INC | Christopher Jerome Buckley | aqremodeling2@gmail.com | (619) 517 3166 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Buckman Fence Company | Bruce Carl Mayfield | — | (619) 843 3480 | Other | Campo · San Diego County | — | — |
| Buddy Plumbing LLC | Jaime Hernandez | — | (760) 410 9922 | Other | San Marcos · San Diego County | — | — |
| Budget Backflow Services | Dehart Guy | — | (760) 809 9640 | Other | Vista · San Diego County | — | — |
| Budget Blinds | Lloyd John Biggs | northcountysandiego@budgetblinds.com | (760) 529 0014 | Other | Oceanside · San Diego County | — | — |
| Budget Blinds - Point Loma | James Jackson Barrett | — | (858) 603 1416 | Other | San Diego · San Diego County | — | — |
| Budget Blinds Of Coronado | Rosario Gonzalez Buclatin | — | (619) 271 3347 | Other | Coronado · San Diego County | — | — |
| Budget Blinds Of Miramar | Budget Blinds Of Miramar | mkgeiahchy@budgetblinds.com | (858) 271 6252 | Other | San Diego · San Diego County | — | — |
| Budget Blinds Of Rancho Penasquitos | Linda Issa Allen | lallen@budgetblinds.com | (858) 538 2076 | Other | San Diego · San Diego County | — | — |
| Budget Glass Plus | Budget Glass Plus | akaglassguy@aol.com | (858) 354-1852 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Budget Grading | Budget Grading | — | (619) 913 3768 | Other | Ramona · San Diego County | — | — |
| Budget Painting | Budget Painting | impallari@gmail.com | (619) 417 0162 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Budget Plumbing & Drain | Budget Plumbing & Drain | — | (619) 563 1400 | Other | Ramona · San Diego County | — | — |
| Budget Tree Service | Lizeth Karley Venegas | — | (760) 871 3380 | Windows, patio, painters | Bonsall · San Diego County | — | — |
| Buechler Construction & Development INC | Bruno Heinrich Buechler | — | (760) 942 9440 | GC, remodel, ADU | Cardiff · San Diego County | — | — |
| Buena Vida Scape | Buena Vida Scape | — | (760) 445 4669 | Windows, patio, painters | Escondido · San Diego County | — | — |
| Buena Vista Builders LLC | Raul Guzman | — | (858) 405 7502 | GC, remodel, ADU | Cardiff · San Diego County | — | — |
| Buena Vista Glazing And Mirror | Buena Vista Glazing And Mirror | — | (760) 978 0279 | Windows, patio, painters | Vista · San Diego County | — | — |
| Buena Vista Landscape | Gilbert Ramales Lujano | — | (760) 941 6100 | Windows, patio, painters | Vista · San Diego County | — | — |
| Buena Vista Landscaping | Daniel James Di Mento | — | (760) 231 9096 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| Buendel Electric | James Vance Buendel | eddie.haro@electricare.com | (760) 805 1062 | HVAC | Vista · San Diego County | — | — |
| Buendia Demolition INC | Ponciano Jose Buendia | — | (619) 938 4310 | Other | Ramona · San Diego County | — | — |
| Buendia Excavation | Luis Alfredo Buendia | — | (619) 551 6166 | Other | El Cajon · San Diego County | — | — |
| Bueno Construction & Development INC | Michael Brian| Bueno Mikael / Mickeybrian Bueno | — | (619) 200 7552 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Buescher Electric INC DBA Service Electrical Systems | Anthony Mark Buescher | — | (858) 748 8478 | Electricians | Imperial Beach · San Diego County | — | — |
| Buffalo Remodeling INC | Christian Rene Martinez Cabrera | — | (760) 622 5781 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Build - Morr General Contractors | Kelly D Morrison | — | (760) 705 5699 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Build Brothers INC | Timothy Reid Boniver | info@buildbrothersinc.com | (760) 566 7734 | Other roofers | San Diego · San Diego County | — | — |
| Build Gates And Garage Doors INC | Rakelly Luna Hizkiya | — | (818) 915 8036 | Other | Spring Valley · San Diego County | — | — |
| Build It Brothers Construction | Asa Thomas Rundle | — | (760) 809 0838 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Build It Construction | Erick Daniel Jaimes | info@builditconstruction.biz | (760) 450 2381 | GC, remodel, ADU | San Luis Rey · San Diego County | — | — |
| Build It Consulting Contruction Co | Gary Dwight Heidman | — | (619) 442 9021 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Build It Fix It | David Matthew Mcarthur | — | (219) 718 8566 | GC, remodel, ADU | Jamul · San Diego County | — | — |
| Build Logic Consulting INC | Christopher Michael Peters | — | (858) 735 2272 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| Build M Construction INC | Randal Jay Ehm | — | (619) 299 5453 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Build Masters Construction INC | Brian Nicholas Morrison | info@garbuilders.com | (760) 707 8193 | Electricians | Oceanside · San Diego County | — | — |
| Build Wise Contracting | Dustin Ray Beason | dbeason@buildwisecali.com | (805) 710 4361 | GC, remodel, ADU | San Diego · San Diego County | — | — |