| August Roofing & Solar | August Roofing & Solar | — | (805) 855-1655 | Other roofers | Santa Barbara · Santa Barbara County | — | — |
| Augustine Painting | James Louis Augustine | info@augustinepainting.com | (805) 962 9757 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Austin Haggerty Services | Austin Sky Haggerty | — | (805) 453 0141 | GC, remodel, ADU | Carpinteria · Santa Barbara County | — | — |
| Auto Sounds Car Stereo & Window Tinting | Auto Sounds Car Stereo & Window Tinting | — | (805) 962-6111 | Alarm and generators | Santa Barbara · Santa Barbara County | — | — |
| Autumn Brook Landscape Services | Brook Autumn | — | (805) 455 2930 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Av Construction A Partnership | Robert Salvador Villavicencio | — | (805) 878 6985 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Avanti Building & Remodeling | Avanti Building & Remodeling | — | (805) 453 8131 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Aves Electric INC | Sanchez Adelaido | asanchez@aveselectric.com | (805) 357 5111 | Electricians | Santa Maria · Santa Barbara County | — | — |
| Avila Handyman Incorporated | Rodolfo Avila | — | (805) 720 0787 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Avila Plumbing | Avila Plumbing | — | (805) 451 5159 | Other | Santa Barbara · Santa Barbara County | — | — |
| Aviles Custom Painting | Aviles Custom Painting | — | (805) 448 3993 | Windows, patio, painters | Lompoc · Santa Barbara County | — | — |
| Avilez Flooring Installations INC | Jose Angel Avilez | — | (805) 264 8610 | Other | Santa Maria · Santa Barbara County | — | — |
| Avit Integration | Christopher David Martinez | — | (805) 314 8279 | Other | Santa Maria · Santa Barbara County | — | — |
| Avo Construction | Jason D Bettencourt | — | (805) 357 8203 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Awnings Of Santa Barbara | Awnings Of Santa Barbara | — | (805) 680 3062 | Other | Santa Barbara · Santa Barbara County | — | — |
| Axc Innovations INC DBA Axc Electrical | Anh Thu Le Doan | — | (805) 222 6160 | Electricians | Lompoc · Santa Barbara County | — | — |
| Axel's Floor Covering Co | Axel Neftali Diaz | — | (805) 710 5014 | Other | Santa Maria · Santa Barbara County | — | — |
| Az Tile And Stone INC | Zepeda Arturo | — | (805) 325 0292 | Other | Buellton · Santa Barbara County | — | — |
| Azalia Gardening & Landscaping | Azalia Gardening & Landscaping | — | (805) 345 5248 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| Azteca Enterprise INC | Robert Lawrence Solorio | — | (805) 717 1282 | HVAC | Lompoc · Santa Barbara County | — | — |
| Aztech Concrete Construction | Rafael Jr Rodriguez | — | (805) 714 5960 | Other | Santa Maria · Santa Barbara County | — | — |
| Azure Electric INC | Michael Gonzalez | — | (805) 944 4270 | Electricians | Santa Maria · Santa Barbara County | — | — |
| B & B Gardening INC | Juan Carlos Barboza | — | (805) 886 4786 | Windows, patio, painters | Santa Ynez · Santa Barbara County | — | — |
| B & M Equipment INC DBA Joseph E Herrmann Fault Finding | David Edward Herrmann | — | (805) 714 3472 | Electricians | Santa Maria · Santa Barbara County | — | — |
| B & R Elite Construction Co | Daniel Gomes Ribas | — | (805) 714 1668 | Other roofers | Santa Maria · Santa Barbara County | — | — |
| B A S Construction | Bryan Alan Sayre | — | (805) 886 5806 | GC, remodel, ADU | Solvang · Santa Barbara County | — | — |
| B And B Builders | Livio Lee Jr Bognuda | — | (720) 273 6813 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| B D S Construction | Brian Dawson Sieck | — | (805) 455 4055 | GC, remodel, ADU | Goleta · Santa Barbara County | — | — |
| B E C Builders INC | Brian Edward Crill | — | (805) 682 4092 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| B H Hildebrand Construction INC | Brent Howard Hildebrand | — | (805) 705 2443 | GC, remodel, ADU | Santa Ynez · Santa Barbara County | — | — |
| B J's Painting | B J's Painting | — | (805) 260 4348 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| B&g Construction Concepts DBA B&g Electrical Concepts | Todd Andrew Newton | — | (805) 459 3217 | Electricians | Santa Maria · Santa Barbara County | — | — |
| Bailey Plumbing | Bailey Plumbing | — | (805) 952 9992 | Other | Santa Barbara · Santa Barbara County | — | — |
| Baja Electric Service INC | Estrada Jaime Serrato | — | (805) 636 2893 | Electricians | Carpinteria · Santa Barbara County | — | — |
| Bajascape LLC | Sanchez Octavio Claudio | — | (805) 345 6956 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| Baker Built INC | Michael William Baker | — | (805) 570 1218 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Baker Electric | David James Baker | — | (805) 684 3019 | Electricians | Carpinteria · Santa Barbara County | — | — |
| Baltadano Construction INC | Pedro Ramon Baltadano | — | (805) 687 2945 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Baltadano Demolition INC | Vicente Nunez Baltadano | — | (805) 455 5962 | Other | Goleta · Santa Barbara County | — | — |
| Barajas Construction INC | Maria Dolores Lomeli | barajasconstruction57@yahoo.com | (805) 331 5566 | Other roofers | Santa Maria · Santa Barbara County | — | — |