| Boyd's Electric | Steven Earl Boyd | — | (949) 542 0307 | Electricians | Lake Elsinore · Riverside County | — | — |
| Boyd's Remodeling Ceiling Specialist | Boyd's Remodeling Ceiling Specialist | — | (760) 533 7693 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Bp & Sons Construction INC | Patrick Lawrence Powers | — | (760) 668 5242 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Bp Electrical | Brent Raymond Puterbaugh | — | (951) 764 9274 | Electricians | Anza · Riverside County | — | — |
| Bp Floor Covering INC | Palma-greer Bruno | — | (951) 550 7956 | Other | Murrieta · Riverside County | — | — |
| Bpp Construction | Benjamin Sure Patterson | ben.bpp@gmail.com | (909) 227 4193 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Br Concepts Building Solutions LLC | Bryant Lakeith Rudolph | — | (310) 844 9161 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Bracamonte Construction INC | Michael Anthony Bracamonte | — | (626) 384 0554 | GC, remodel, ADU | Jurupa Valley · Riverside County | — | — |
| Bracero | Juan Jesus Parada | — | (951) 490 5598 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Bracero Engineering Company | Juan Jesus Parada | — | (951) 490 5598 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Bracht Painting | Bracht Painting | — | (951) 845 2254 | Windows, patio, painters | Beaumont · Riverside County | — | — |
| Brackin Concrete | Brackin Concrete | — | (909) 208 0349 | Other | Menifee · Riverside County | — | — |
| Brad Jones Construction INC | Bradley Richard Jones | — | (951) 830 7664 | GC, remodel, ADU | Sun City · Riverside County | — | — |
| Brad's Concrete Cutting INC | Brad Lee Henderson | — | (909) 260 2817 | Other | Norco · Riverside County | — | — |
| Brad's Garage Door Service | Bradley Evan Blythe | — | (760) 218 7286 | Other | Indio · Riverside County | — | — |
| Bradco Construction INC | Jimmy Noel Jr Bradbury | — | (909) 289 5363 | GC, remodel, ADU | Nuevo · Riverside County | — | — |
| Bradlee's Heating & Air LLC | Bradlee Joe Vasquez | — | (951) 534 8080 | HVAC | Beaumont · Riverside County | — | — |
| Bradley Audio And Video | Bradley Audio And Video | — | (951) 283 6349 | Other | Corona · Riverside County | — | — |
| Bradley Electric | Bradley Cole Costa | info@bradley-electric.com | (207) 756-4642 | Electricians | Corona · Riverside County | — | — |
| Bradley Lewis Gray Construction | Bradley Lewis Gray | — | (909) 766 6302 | GC, remodel, ADU | Hemet · Riverside County | — | — |
| Bradley W Hughes | Bradley W Hughes | — | (714) 365 5087 | Other roofers | Wildomar · Riverside County | — | — |
| Bradshaw Construction INC | Mark David Bradshaw | — | (760) 347 4246 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Brady Commercial Construction Services INC | Lorin Anthony Brady | — | (909) 599 3405 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Brady Construction Group INC | Brent Taylor Brady | — | (909) 815 7082 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Branco Rabrenovich DBA B R Electric Co | Rabrenovich Branco | — | (951) 897 5813 | Electricians | Wildomar · Riverside County | — | — |
| Brand New Electric | Ronald Earl Jr Flowers | — | (310) 726 3308 | Electricians | Eastvale · Riverside County | — | — |
| Branden Michel | Branden Michel | — | (760) 898 8576 | HVAC | Coachella · Riverside County | — | — |
| Brandon Dudgeon | Brandon Dudgeon | — | (562) 271 8693 | Other | Riverside · Riverside County | — | — |
| Brandon Lindholm | Brandon Lindholm | — | (951) 206 7112 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Brandon Nichols | Brandon Nichols | — | (951) 685 2556 | Other | Corona · Riverside County | — | — |
| Brandon Ray Johnson | Brandon Ray Johnson | — | (760) 898 0829 | Electricians | Indio · Riverside County | — | — |
| Brandon Ryan Price | Brandon Ryan Price | — | (951) 906 0663 | GC, remodel, ADU | Romoland · Riverside County | — | — |
| Brandon's Screens & Glass | Brandon's Screens & Glass | — | (760) 743 0139 | Windows, patio, painters | Temecula · Riverside County | — | — |
| Brandt Plastering INC | Deron Jay Brandt | — | (951) 265 9051 | Other | Temecula · Riverside County | — | — |
| Brannen Electric | Gary Ray Brannen | — | (760) 578 6792 | Electricians | La Quinta · Riverside County | — | — |
| Branson Industries LLC | Samson Altura Monte | — | (909) 319 3327 | Electricians | Eastvale · Riverside County | — | — |
| Braswell Air Conditioning | Braswell Air Conditioning | — | (760) 922 5775 | HVAC | Blythe · Riverside County | — | — |
| Bratene Construction & Engineering | Bratene Osbjorn | — | (951) 201 2542 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Brauckmann INC | Michael Arend Brauckmann | — | (760) 972 8092 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Braun Construction D And B | Phillip Regan Braun | — | (619) 301 9142 | GC, remodel, ADU | Canyon Lake · Riverside County | — | — |