| 101 Plumbing INC | Juan Hernandez Nunez | — | (805) 570 9816 | Other | Santa Barbara · Santa Barbara County | — | — |
| 101 Tile | 101 Tile | — | (805) 268 9379 | Other | Santa Maria · Santa Barbara County | — | — |
| 120 West Construction | Justin Leroy Chavez | — | (805) 878 4724 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| 3 L's Builders INC | Luis Alonso Santiago Sanchez | — | (805) 868 3594 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| 3C Electric Company | Zachariah James Crofoot | — | (805) 245 2464 | Electricians | Lompoc · Santa Barbara County | — | — |
| 3C Fencing INC | Cesar Omar Cuenca Camacho | info@3cfencing.com | (805) 621 3264 | Other | Santa Maria · Santa Barbara County | — | — |
| 3D Builders | 3D Builders | — | (805) 698 2940 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| 3D Painting | 3D Painting | — | (805) 260 0864 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| 3D Plumbing | 3D Plumbing | — | (805) 315 3025 | Other | Santa Maria · Santa Barbara County | — | — |
| 3rd Generation Builders Team INC | James Frederick Pursel | — | (805) 331 4749 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| 45 Degree Plumbing INC | Brandon Charles Sr Brickey | — | (805) 315 4056 | Other | Lompoc · Santa Barbara County | — | — |
| 7 Days Plumbing Repairs Plus LLC | Anda Israel | — | (805) 621 4070 | Other | Santa Maria · Santa Barbara County | — | — |
| 7 Rios Roofing INC | Rivera Carlos Rios | — | (805) 617 6580 | Other roofers | Lompoc · Santa Barbara County | — | — |
| 805 Concrete | 805 Concrete | — | (805) 448 2072 | Other | Buellton · Santa Barbara County | — | — |
| 805 Construction | Martinez Victor Alonzo | — | (805) 598 8520 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| 805 Contracting INC | Mitchel Lee Cokeley | — | (805) 364 2650 | Other | Santa Barbara · Santa Barbara County | — | — |
| 805 Electric | Brian Anthony Willis | — | (805) 680 5360 | Electricians | Solvang · Santa Barbara County | — | — |
| 805 Fire Protection Corp | Sanchez Gustavo Almaguer | — | (805) 689 4264 | Other | Goleta · Santa Barbara County | — | — |
| 805 Flooring Removal | 805 Flooring Removal | — | (805) 403 9092 | Other | Santa Barbara · Santa Barbara County | — | — |
| 805 Hardwood Flooring | Katherine Bazarganan | — | (805) 450 7325 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| 805 Industries | 805 Industries | — | (805) 896 4488 | Other roofers | Goleta · Santa Barbara County | — | — |
| 805 Overhead Door INC | John Anthony Dickinson | — | (805) 696 0303 | Other | Santa Barbara · Santa Barbara County | — | — |
| 805 Paving | 805 Paving | john@paving.com | (805) 266 5944 | Other | Guadalupe · Santa Barbara County | — | — |
| 805 Plumbing | Rodriguez Hector Francisco | — | (805) 361 3885 | Other | Santa Maria · Santa Barbara County | — | — |
| 805 Pro Electric | Rodriguez Mendoza J Jesus | — | (805) 722 9097 | Electricians | Santa Maria · Santa Barbara County | — | — |
| 805 Signs | 805 Signs | — | (805) 694 8490 | Other | Buellton · Santa Barbara County | — | — |
| 805 Tree Care Co | Lopez Barrera Omar | — | (805) 886 1921 | Other | Santa Barbara · Santa Barbara County | — | — |
| A & A Window Cleaning Santa Barbara | A & A Window Cleaning Santa Barbara | — | (805) 699-5656 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| A & J Tree | A & J Tree | — | (805) 968 1904 | Tree | Goleta · Santa Barbara County | — | — |
| A - 1 Drywall | A - 1 Drywall | — | (805) 598 3378 | Other | Santa Maria · Santa Barbara County | — | — |
| A - 1 Wrought Iron | A - 1 Wrought Iron | — | (805) 324 1512 | Other | Santa Maria · Santa Barbara County | — | — |
| A B Construction | Arthur Alexander Barboza | — | (805) 264 6043 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| A B S Glass Incorporated | Cecilio Duarte Fuentes | — | (805) 966 1771 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| A Barajas Concrete | A Barajas Concrete | — | (805) 260 4624 | Other | Santa Maria · Santa Barbara County | — | — |
| A Big Door Co | Steven Kent Fuller | — | (805) 714 7335 | Other | Santa Maria · Santa Barbara County | — | — |
| A C Ramirez Floor Covering INC | Michael Paul Ramirez | — | (805) 965 0095 | Other | Santa Barbara · Santa Barbara County | — | — |
| A C T Installs | A C T Installs | actinstalls@gmail.com | (805) 245 1667 | Other | Goleta · Santa Barbara County | — | — |
| A C's Coastal Painting | A C's Coastal Painting | — | (805) 934 1150 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| A Cavalli Construction INC | Adam Michael Cavalli | — | (805) 252 9999 | GC, remodel, ADU | Carpinteria · Santa Barbara County | — | — |
| A Class Construction | Stephen Patrick Henderson | — | (805) 757 2488 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |