| Bay And Shore Co INC | Agustin Jr Zamudio | jlvplumbing82@yahoo.com | (619) 435 2132 | HVAC | Coronado · San Diego County | — | — |
| Bay Bridge Realty And Construction LLC | Leo Joseph Legidakes | aqremodeling2@gmail.com | (619) 495 9601 | GC, remodel, ADU | Coronado · San Diego County | — | — |
| Bay City Builders LLC | Miles Stephen Morsey | — | (925) 247 7044 | Electricians | Chula Vista · San Diego County | — | — |
| Bay City Electric Works | Rodney C Lee | buildzoomsupport@blockrenovation.com | (866) 938 8200 | Electricians | Poway · San Diego County | — | — |
| Bay City Pools INC | Pablo Israel Rivas Hernandez | — | (619) 875 5658 | Pool | Chula Vista · San Diego County | — | — |
| Bay Park Electric | Paul Mark Pratte | contact@claycoelectric.org | (619) 726 2218 | Electricians | San Diego · San Diego County | — | — |
| Bay Sheet Metal INC | Michael Browning Hayes | david@baysheetmetal.com | (619) 401 9270 | HVAC | El Cajon · San Diego County | — | — |
| Bay Systems INC | Piercy Lilia Romero | — | (619) 420 4495 | Other | Chula Vista · San Diego County | — | — |
| Bay Tile | Bay Tile | — | (760) 533 3687 | Other | Vista · San Diego County | — | — |
| Bayani Building And Restoration | Bayani Building And Restoration | — | (858) 243 5594 | GC, remodel, ADU | Valley Center · San Diego County | — | — |
| Bayerlein Enterprises | Kevin John Bayerlein | — | (619) 445 0491 | Other | Alpine · San Diego County | — | — |
| Baymax Construction | Joao Milton Hernandez Mendez | — | (760) 978 3495 | GC, remodel, ADU | Fallbrook · San Diego County | — | — |
| Baynes Roofing INC | Geoffrey Lee Baynes | baynesroofing@gmail.com | (760) 634 2085 | Other roofers | Encinitas · San Diego County | — | — |
| Bayon Pool Service INC | Douglas James Jr Bayon | — | (619) 764 6515 | Pool | San Diego · San Diego County | — | — |
| Bayside Build Co | Lauren Allister Young | — | (747) 334 7715 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bayside Engineering Construction INC | Luis German Rivero | — | (619) 302 9651 | Other | San Diego · San Diego County | — | — |
| Bb Concrete Services | Bautista Zarate Bernardo | — | (619) 708 3089 | Other | San Diego · San Diego County | — | — |
| Bb Contracting & Development INC | Bradley Troy Brown | — | (760) 454 9950 | GC, remodel, ADU | Solana Beach · San Diego County | — | — |
| Bb Contractors INC | Taylor Michael Robertson | guy@infinitydesignbuild.com | (858) 255 1722 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bbdb | Shawn Benjamin Benson | — | (619) 804 4446 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Bc & G Drywall INC | Guzman Bener Carreon | bcgdrywallinc@gmail.com | (619) 384 0739 | Other | San Diego · San Diego County | — | — |
| Bc Design And Construction INC | Eddie Crespo | — | (619) 252 0864 | GC, remodel, ADU | Chula Vista · San Diego County | — | — |
| Bc Development Services LLC | Jovan John Stojic | guy@infinitydesignbuild.com | (858) 427 1452 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bcb Usa INC | Thomas Eugene Norman | — | (760) 809 1836 | GC, remodel, ADU | San Marcos · San Diego County | — | — |
| Bck Construction INC | Iurii Boichuk | conrad@ctebuilders.com | (669) 842 1332 | Electricians | San Marcos · San Diego County | — | — |
| Bcnelectric | Joseph John Arenas | bcnelectric@yahoo.com | (772) 453 7924 | Electricians | Vista · San Diego County | — | — |
| Bcp Mechanical LLC | Chester Allan Paul | anapbm@gmail.com | (760) 206 3647 | HVAC | Fallbrook · San Diego County | — | — |
| Bcp Remodeling INC | Michael Lawerance Benedetto | — | (858) 213 7664 | GC, remodel, ADU | Santee · San Diego County | — | — |
| Bd Project & Design | Bd Project & Design | info@bdprojectdesign.com | (858) 964 2323 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bd Roofing INC DBA Carlitos Roofing | Carlos Javier Bailon Duarte | — | (760) 651 9121 | Other roofers | Fallbrook · San Diego County | — | — |
| Bda Build Better Socal | Bda Build Better Socal | — | (619) 732 9303 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bdg Builders INC | Darrin Scot Brightmon | — | (858) 354 1041 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Bdp Services INC | Darin Duane Duncan | darin@bdpservices.com | (619) 333 9020 | Other | Lakeside · San Diego County | — | — |
| Bdr Communications INC | Mark Edward Bergman | — | (760) 804 5812 | Electricians | Carlsbad · San Diego County | — | — |
| Bdr Electric | Dan Jerome Richardson | contact@claycoelectric.org | (925) 330 3380 | Electricians | San Diego · San Diego County | — | — |
| Be | B E | — | (949) 254 1756 | Electricians | Fallbrook · San Diego County | — | — |
| Beach Cities Coatings | Beach Cities Coatings | — | (619) 977 4325 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| Beach Cities Coatings | Beach Cities Coatings | — | (619) 787 0902 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Beach Cities Drywall | Beach Cities Drywall | — | (949) 291 6900 | Other | Vista · San Diego County | — | — |
| Beach City Builders INC | Thomas Eugene Norman | — | (760) 994 1590 | GC, remodel, ADU | Escondido · San Diego County | — | — |