| Blue Pool Solutions | Robert Gregg Jr Patz | — | (858) 201 0282 | Pool | Spring Valley · San Diego County | — | — |
| Blue Print Construction Ca | Erick Alexis Galicia | blueprintconstructionca@gmail.com | (619) 852 8868 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Blue Ribbon Landscape INC | Filiberto Flores-Martinez | — | (760) 270 6436 | Windows, patio, painters | Escondido · San Diego County | — | — |
| Blue Ribbon Pool Service INC | James Robert Leisten | — | (760) 432 6169 | Pool | San Diego · San Diego County | — | — |
| Blue Rock Plumbing | Blue Rock Plumbing | — | (619) 447 0608 | Other | El Cajon · San Diego County | — | — |
| Blue Rose Gardening | Blue Rose Gardening | — | (619) 750 4923 | Windows, patio, painters | La Mesa · San Diego County | — | — |
| Blue Security INC | Richard Allan Churchman | — | (858) 459 1225 | Alarm and generators | San Diego · San Diego County | — | — |
| Blue Shore Construction | Pedro Suro Aceves | — | (858) 568 1474 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Blue Skies Heating And Air Conditioning | Duncan Whitfield Patterson | — | (619) 722 4081 | HVAC | Alpine · San Diego County | — | — |
| Blue Sky Chao Construction | Ma Chao | — | (858) 925 3055 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Blue Sky Glazing | Ryan Patrick Whyte | — | (619) 753 8998 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Blue Sky Plumbing | Blue Sky Plumbing | — | (760) 717 0582 | Other | Oceanside · San Diego County | — | — |
| Blue Star Steel INC | Timothy Shawn Mccormick | — | (619) 448 5520 | Other | Lakeside · San Diego County | — | — |
| Blue Stone Construction | Thomas Grant Hewitt | — | (760) 978 7969 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| Blue Volt Electric | Blue Volt Electric | — | (619) 473-4825 | Electricians | San Diego · San Diego County | — | — |
| Blue Wave Construction Consulting & Design INC | Carlo Logan Brito | — | (858) 504 1154 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Blue Wave Contracting | Victor Geovanny Ibarra | guy@infinitydesignbuild.com | (619) 734 6660 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Blue Wave Electric INC | Paul Thomas Ballinger | paul@bluewaveelectricsd.com | (609) 713 9987 | Electricians | San Diego · San Diego County | — | — |
| Blue Wave Environmental Engineering | Brandon Noah Alderson | — | (714) 326 4579 | Other | San Diego · San Diego County | — | — |
| Blue Wave Pools Service & Repair | Michael Earl Walters | — | (619) 246 5682 | Pool | Bonita · San Diego County | — | — |
| Blue Wave Tree Care LLC | Oscar Manuel Iii Milla | — | (760) 522 7457 | Other | Escondido · San Diego County | — | — |
| Blue West Coast | Blue West Coast | mick@bluewestcoast.com | (619) 954 6036 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Bluebay Mechanical | Jose Abraham Valenzuela-Sanchez | info@bluebaymechanical.com | (619) 862 7962 | HVAC | San Diego · San Diego County | — | — |
| Bluebird Home Remodeling | Bluebird Home Remodeling | — | (619) 635 7049 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bluebird Pool Care | Bluebird Pool Care | — | (858) 345 0400 | Pool | El Cajon · San Diego County | — | — |
| Blueprint Contracting | Matthew James Corti | guy@infinitydesignbuild.com | (760) 215 9671 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Blueriver Plumbing INC | Arredondo Franco Demian | blueriverplumb@gmail.com | (619) 252 8717 | Other | Oceanside · San Diego County | — | — |
| Blues Electric | Aaron Blues Cumpian | service@blueselectricinc.com | (619) 673 7757 | HVAC | San Diego · San Diego County | — | — |
| Bluestone Tile INC | Santiago Alfonzo Ramirez | — | (858) 261 9415 | Other | Escondido · San Diego County | — | — |
| Bluewater Custom Builders INC | Cole Ryan Huntzinger | — | (619) 289 5138 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Bluewater Marine & Dock Specialties INC | James Cooper Booth | — | (619) 499 7507 | Other | Santee · San Diego County | — | — |
| Bluewater Pools San Diego DBA Del Rancho Pools | Charles Alan Grosse | info@delranchopools.com | (760) 753 6369 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| Bluewave Plumbing Services | Victor Eric Montalvo | — | (858) 775 4589 | Other | San Diego · San Diego County | — | — |
| Blunk's Construction | Anthony Douglas Blunk | — | (619) 454 8606 | GC, remodel, ADU | Lemon Grove · San Diego County | — | — |
| Blythe Built Construction INC | Jay Ernest Blythe | — | (619) 322 1440 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Bma Construction | Cesar Alonzo Valladolid-melendez | — | (619) 820 1552 | GC, remodel, ADU | El Cajon · San Diego County | — | — |
| Bmcc INC | Bret Landa Mintun | — | (760) 650 6002 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| Bmp General Contracting INC | Justin Jeremy Peterson | — | (858) 442 4681 | GC, remodel, ADU | Poway · San Diego County | — | — |
| Bms Garage Doors & Repair INC | Brian Michael Shea | — | (858) 337 1607 | Other | Carlsbad · San Diego County | — | — |
| Bnc Builders INC | Bladimir Nicolas Cruz | — | (760) 658 6238 | GC, remodel, ADU | Escondido · San Diego County | — | — |