| A E L Concrete | A E L Concrete | — | (805) 689 7354 | Other | Santa Barbara · Santa Barbara County | — | — |
| A J B Painting | A J B Painting | — | (805) 934 0252 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| A J Diani Construction Co INC | Donald Lee Ward | — | (805) 925 9533 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| A J Houston Construction | Alexander Jay Houston | — | (805) 534 4251 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| A J M Electrical | Jose Alberto Martinez | — | (805) 260 3191 | Electricians | Santa Maria · Santa Barbara County | — | — |
| A J Precision Concrete INC | Norma Rosario Gijon | — | (805) 569 2929 | Other | Santa Barbara · Santa Barbara County | — | — |
| A Jackson Contracting INC | Aric Leon Jackson | — | (805) 896 7556 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| A M Painting | A M Painting | — | (805) 319 3458 | Windows, patio, painters | Lompoc · Santa Barbara County | — | — |
| A M Ruiz Construction | Anthony Michael Ruiz | — | (805) 705 1825 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| A O Electric INC | Arthur Allen Osha | — | (805) 688 1345 | Electricians | Santa Ynez · Santa Barbara County | — | — |
| A P M Quality Painting | A P M Quality Painting | — | (805) 264 2361 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| A R J Construction | Anthony Alan Vosgerichian | — | (805) 693 1330 | GC, remodel, ADU | Buellton · Santa Barbara County | — | — |
| A S A P Plumbing & Drains | Andrew Martin Mendoza | — | (805) 693 1181 | Other | Santa Ynez · Santa Barbara County | — | — |
| A Tech Garage Door Solutions | A Tech Garage Door Solutions | atechgaragedoor805@gmail.com | (805) 268 9865 | Other | Santa Maria · Santa Barbara County | — | — |
| A To Z Roofing | Mark William Sr Braithwaite | — | (805) 588 6888 | Other roofers | Lompoc · Santa Barbara County | — | — |
| A V Electric | Vertsekha Alexander | — | (805) 708 3009 | Electricians | Goleta · Santa Barbara County | — | — |
| A Willis Construction | Andrew Charles Willis | — | (805) 453 3003 | GC, remodel, ADU | Santa Ynez · Santa Barbara County | — | — |
| A&e Cabinets LLC | Joseph Norman Morin | — | (805) 895 8077 | Other | Goleta · Santa Barbara County | — | — |
| A&m Roofing And Gutters | David Allen Lammer | — | (805) 294 3268 | Other roofers | Santa Barbara · Santa Barbara County | — | — |
| A+ Plastering | A+ Plastering | contact@aplastering.com | (805) 315 6465 | Other | Lompoc · Santa Barbara County | — | — |
| A-1 Rain Gutters | Boris Mirko Novakovic | — | (805) 364 2174 | Other | Santa Barbara · Santa Barbara County | — | — |
| A-lite Electric Systems | Geoffrey Noel Wallace | — | (805) 896 4864 | Electricians | Santa Barbara · Santa Barbara County | — | — |
| A.g & A Construction | Mario Alejandro Aguirre Duran | — | (805) 598 6778 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| A3 Wall Systems INC | James Jr Amburgey | — | (805) 459 0722 | Other | Santa Maria · Santa Barbara County | — | — |
| Aaron Jorgensen Plumbing | Aaron Jorgensen Plumbing | — | (805) 845 9434 | Other | Goleta · Santa Barbara County | — | — |
| Aaron Lafer Construction | Aaron Michael Laferriere | — | (805) 570 0780 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Aaron R Phillips | Aaron R Phillips | — | (805) 903 3929 | Other | Santa Maria · Santa Barbara County | — | — |
| Aaron Rice Electric INC | Aaron James Rice | — | (805) 937 3473 | Electricians | Santa Maria · Santa Barbara County | — | — |
| Ab Estate Management | Arnaud Ashbury Barbieux | — | (805) 886 7428 | GC, remodel, ADU | Montecito · Santa Barbara County | — | — |
| Abatex LLC | Peter Allen Miko | — | (833) 248 0688 | Other roofers | Goleta · Santa Barbara County | — | — |
| Abbey Carpet City & Flooring | Pablo Zaragoza Gallardo | — | (805) 966 1606 | Other | Santa Barbara · Santa Barbara County | — | — |
| Abc Casework LLC | Bailey Price Hochhalter | — | (805) 620 0956 | Other | Santa Barbara · Santa Barbara County | — | — |
| Abc Pool & Spa Services | Abc Pool & Spa Services | — | (805) 705-9825 | Pool | Montecito · Santa Barbara County | — | — |
| Abc Tradework LLC | Bailey Price Hochhalter | — | (805) 620 0956 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Abe's Electric | Barraza Abraham | — | (805) 865 2602 | Electricians | Lompoc · Santa Barbara County | — | — |
| Abel Alanis General Contractor | Abel Alanis General Contractor | — | (805) 588 3008 | GC, remodel, ADU | Lompoc · Santa Barbara County | — | — |
| Absolute Concrete Construction INC | Candice Carmel Diaz | — | (805) 354 3745 | Other | Santa Maria · Santa Barbara County | — | — |
| Acacia Environmental Construction INC | Jonathan James Colbert | — | (805) 964 2585 | Other | Santa Barbara · Santa Barbara County | — | — |
| Acaloa Signs | Kenneth Charles Sorgman | hola@acaloa805.com | (805) 680 9403 | Other | Santa Barbara · Santa Barbara County | — | — |
| Access Builders Company | Steve Craig Cegelski | — | (805) 567 1980 | GC, remodel, ADU | Gaviota · Santa Barbara County | — | — |