| Bakin Construction | Dmitrii Goriainov | — | (916) 595 2489 | GC, remodel, ADU | Citrus Heights · Sacramento County | — | — |
| Balanced Air Conditioning And Heat Service | Kenneth Casey Mckean | — | (916) 521 3978 | HVAC | Citrus Heights · Sacramento County | — | — |
| Baldacchino Construction INC | Carlo Peter Baldacchino | — | (916) 275 1970 | GC, remodel, ADU | Folsom · Sacramento County | — | — |
| Baldemar Lemus | Baldemar Lemus | — | (916) 317 1760 | Other | Sacramento · Sacramento County | — | — |
| Baldur Construction Company | Brandon Marlo Preszler | — | (916) 728 8645 | GC, remodel, ADU | Galt · Sacramento County | — | — |
| Baldwin Custom Painting | Baldwin Custom Painting | baldwincustompainting@gmail.com | (530) 636 0732 | Windows, patio, painters | Sacramento · Sacramento County | — | — |
| Balestreri Construction | Philip Alan Balestreri | — | (916) 402 3724 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Balfour Beatty-clark/sullivan A Joint Venture | & Sullivan Builders INC Clark | — | (916) 760 0805 | GC, remodel, ADU | Folsom · Sacramento County | — | — |
| Ballard Built | Anthony James Ballard | — | (408) 507 9209 | GC, remodel, ADU | Citrus Heights · Sacramento County | — | — |
| Baltic Exteriors | Baltic Exteriors | — | (916) 804 1919 | Windows, patio, painters | Carmichael · Sacramento County | — | — |
| Baltic Granite Design INC | Josephine Rein Senuca | — | (916) 344 4110 | Other | North Highlands · Sacramento County | — | — |
| Bam Construction Co | Bernard Assifuah Mensah | — | (925) 642 7891 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Bamboo Construction | Arshad Hafez Abdulrazak | — | (209) 752 9021 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Banco Concrete | Banco Concrete | — | (279) 599 4460 | Other | Wilton · Sacramento County | — | — |
| Banconn Enterprise INC | Thomas James Conner | — | (916) 648 2040 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Banga Builders INC | Gurprit Singh Banga | bangabuilders408@gmail.com | (408) 632 8405 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Bao Nguyen | Bao Nguyen | — | (916) 346 8494 | Electricians | Sacramento · Sacramento County | — | — |
| Bara Corporation DBA O'live Construction | Rajesh Kumar Sharma | — | (916) 271 0861 | GC, remodel, ADU | Elk Grove · Sacramento County | — | — |
| Barajas Construction | Barajas Sofia | barajasconstruction57@yahoo.com | (805) 331-5566 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Baran Electric | Azimpour Ciamack | — | (916) 508 6628 | Electricians | Sacramento · Sacramento County | — | — |
| Baratta Tile Company | Richard Anthony Baratta | — | (916) 747 5857 | Other | Carmichael · Sacramento County | — | — |
| Barbour Construction LLC | Alex James Pearce Barbour | — | (510) 935 0137 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Barca Tile | William Antonio Ho | — | (916) 201 4809 | Other | Elk Grove · Sacramento County | — | — |
| Bardis Construction | Rachel Katherine Bardis | info@bardisconstruction.com | (916) 366 3665 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Bardis Construction LLC | Christo Demetrius Bardis | info@bardisconstruction.com | (916) 313 3076 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Bardis Homes INC | Elias Demetrius Bardis | — | (916) 366 3665 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Bardo Ramirez Roofing INC | Bardomiano Ruiz Ramirez | — | (916) 459 0416 | Other roofers | Sacramento · Sacramento County | — | — |
| Bare Wire Electric INC | Brodie Scott Bickel | — | (916) 834 2547 | Electricians | Rancho Cordova · Sacramento County | — | — |
| Barnett Altman Ii | Barnett Altman Ii | — | (916) 716 8470 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Barnett Heating & Air | Robert Patrick Barnett | — | (916) 804 1774 | HVAC | Rio Linda · Sacramento County | — | — |
| Barnett's Portable Welding Service | Joseph Henry Barnett | — | (916) 616 5288 | Other | North Highlands · Sacramento County | — | — |
| Barnum & Celillo Electric INC | Shayn Troy Barnum | — | (916) 646 4661 | Electricians | Sacramento · Sacramento County | — | — |
| Barragan Construction | Lorenzo Uriel Barragan | gerardo.barragan92@gmail.com | (916) 879 1412 | GC, remodel, ADU | Sacramento · Sacramento County | — | — |
| Barranti Construction INC | Richard Anthony Diodati | — | (916) 852 4200 | GC, remodel, ADU | Rancho Cordova · Sacramento County | — | — |
| Barraza Heating & Air LLC | Samuel Gamaliel Barraza-casas | — | (916) 397 9898 | HVAC | Sacramento · Sacramento County | — | — |
| Barrera Construction | Barrera Jimmy | — | (916) 470 2446 | GC, remodel, ADU | Carmichael · Sacramento County | — | — |
| Barrett Services | Joshua Michael Barrett | — | (916) 337 0459 | HVAC | Sloughhouse · Sacramento County | — | — |
| Barrett Thomas D Construction | Thomas Douglas Barrett | — | (650) 867 6026 | GC, remodel, ADU | Folsom · Sacramento County | — | — |
| Barricades Plus Services Corp | Andrew James Dierssen | andy@barricadesplusservices.com | (916) 224 1525 | GC, remodel, ADU | Hood · Sacramento County | — | — |
| Barrier Pest Solutions | Barrier Pest Solutions | contactus@callbarrier.com | (916) 931-3027 | Pest, tile roofs | Sacramento · Sacramento County | — | — |