| Andres And Maria Landscaping | Maria Imelda Valadez | — | (831) 476 5875 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Andrews Construction | Andrews James | interested@domainmarket.com | (831) 419 4166 | GC, remodel, ADU | Soquel · Santa Cruz County | — | — |
| Andson Painting INC | Jordan Jon-Daniel Dodge | jordan@andsonpaintinginc.com | (831) 295 0532 | Windows, patio, painters | Aptos · Santa Cruz County | — | — |
| Andy's Fine Woodworking | Andy's Fine Woodworking | — | (831) 535 3543 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Angel Guevara | Angel Guevara | — | (831) 334 9442 | Other | Santa Cruz · Santa Cruz County | — | — |
| Angle Construction INC | Dale Ermal Myrick | leahna1.angleconstruction@gmail.com | (831) 438 3622 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| Angus Hill Landscapes | Angus Hill Landscapes | — | (650) 799 0477 | Windows, patio, painters | Boulder Creek · Santa Cruz County | — | — |
| Animas Construction | Jesus Gomez Melendrez | — | (831) 761 1843 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Ankerpunkt Construction INC | Anthony Robert Buckman | — | (831) 319 4479 | GC, remodel, ADU | Corralitos · Santa Cruz County | — | — |
| Anna Pettinati Construction | Anna Visvikis Pettinati | — | (831) 247 7562 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| Anthony Campos | Anthony Campos | — | (831) 818 4714 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Anthony Crane Construction | Anthony Edward Crane | — | (831) 818 6007 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Anthony Harrison Hodder | Anthony Harrison Hodder | — | (408) 497 9223 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Anthony Hodder Const | Anthony Hodder Const | — | (408) 499 5990 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Antonio Ambriz Painting INC | Juan Antonio Ambriz | ambrizpainting@gmail.com | (831) 459 9823 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Antony Construction INC | James Charles Antony | — | (808) 652 4011 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Anytime Plumbing INC | Amer Abdul Jalil Zaghlouleh | — | (831) 431 6593 | Other | Santa Cruz · Santa Cruz County | — | — |
| Aoe Bay Area INC | Joshua Jerrell Michael Fisher | — | (831) 566 0612 | Electricians | Scotts Valley · Santa Cruz County | — | — |
| Apex C10 INC | Paul Gabriel Huerta | — | (831) 455 6965 | Electricians | Watsonville · Santa Cruz County | — | — |
| Apex Development | Apex Development | estimating@apexdevelopment.com | (831) 247 4261 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Apex Frame Co | Luis Angel Medina | — | (831) 888 6853 | Other | Santa Cruz · Santa Cruz County | — | — |
| Apl Landscaping | Apl Landscaping | apllandscaping@outlook.com | (831) 498 8198 | Windows, patio, painters | Watsonville · Santa Cruz County | — | — |
| Apollo Builders | Apollo Builders | tyler@apollobuilders.com | (480) 980-1156 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| Apollo Plumbing | Jamin David Lyons | — | (831) 227 4333 | Other | Boulder Creek · Santa Cruz County | — | — |
| Apollo Roofing Company | Apollo Roofing Company | — | (925) 430-7535 | Other roofers | Santa Cruz · Santa Cruz County | — | — |
| Appian Way Trails & Landscapes | Appian Way Trails & Landscapes | — | (760) 401 7131 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Apple Lane Construction | Paul Frederick Savasky | — | (831) 332 8087 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Apple Town Woodworks | Apple Town Woodworks | — | (831) 713 9669 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Aptos Glass & Ideal Windows INC | Christian William Zachmeier | — | (831) 662 9272 | Windows, patio, painters | Aptos · Santa Cruz County | — | — |
| Aptos Plumbing | Aptos Plumbing | — | (831) 421 2700 | Other | Aptos · Santa Cruz County | — | — |
| Aptos-seascape Electric | Robert Gary Kinney | — | (831) 688 3661 | Electricians | Aptos · Santa Cruz County | — | — |
| Aqua Bright Pool And Spa Service | James Ross Huxtable | — | (831) 246 1057 | Pool | Ben Lomond · Santa Cruz County | — | — |
| Aqua-green Landscape Irrigation Co | Christopher Charnock Elliott | — | (831) 251 7362 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Araki Fine Home Building | Araki Fine Home Building | — | (831) 345 8440 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Arana Home Repair | Arana Home Repair | — | (831) 512 7937 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Arce Boiler Service | Arce Rigoberto | — | (831) 588 9739 | HVAC | Watsonville · Santa Cruz County | — | — |
| Arellano Lath & Plaster | Arellano Lath & Plaster | — | (831) 840 3375 | Other | Watsonville · Santa Cruz County | — | — |
| Argabrite Construction | Bryan Rex Argabrite | — | (408) 315 1881 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Ariana Roofing | Nieves Augustine Jauregui | nieves@arianaroofing.com | (831) 750 7044 | Other roofers | Watsonville · Santa Cruz County | — | — |
| Armbrust Construction | Robert Michael Armbrust | — | (408) 502 2225 | GC, remodel, ADU | Boulder Creek · Santa Cruz County | — | — |