| Woods Construction | Charles Lee Woods | — | (805) 868 3405 | GC, remodel, ADU | Orcutt · Santa Barbara County | — | — |
| Woodward Fence INC | Donald Gene Woodward | — | (805) 693 5635 | Other | Santa Ynez · Santa Barbara County | — | — |
| Woodworks Etc | Woodworks Etc | — | (805) 403 4171 | Other | Santa Barbara · Santa Barbara County | — | — |
| Woody Boyce Builders | Woody Boyce Builders | — | (805) 453 6294 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Woody Concrete Pumping | Woody Concrete Pumping | — | (805) 922 2332 | Other | Santa Maria · Santa Barbara County | — | — |
| Woolfolk's INC | Isaac Anthony Woolfolk | — | (805) 966 1985 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| World Class Air INC | Jose Angel Lopez | — | (805) 682 9543 | HVAC | Santa Barbara · Santa Barbara County | — | — |
| Worlds Best HVAC Repair | Worlds Best HVAC Repair | — | (805) 250-8149 | HVAC | Santa Barbara · Santa Barbara County | — | — |
| X Electric LLC | Armando Vazquez | xelectrictn@gmail.com | (931) 248-5938 | Electricians | Santa Maria · Santa Barbara County | — | — |
| Yahya El Zein Electric Service | El Zein Yahya | — | (805) 729 1403 | Electricians | Santa Barbara · Santa Barbara County | — | — |
| Yanez Electric INC | Raul Romero Yanez | — | (805) 736 7817 | Electricians | Lompoc · Santa Barbara County | — | — |
| Yankee Solutions | Paul Eugene Cuellar | — | (805) 886 4820 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Yates Electric | Joshua John Yates | — | (805) 637 6861 | Electricians | Carpinteria · Santa Barbara County | — | — |
| Yes Energy Management INC | Ivan Robert Washkow | — | (805) 699 2040 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Young Air INC | Ezra Micah Young | — | (805) 618 4206 | HVAC | Lompoc · Santa Barbara County | — | — |
| Young Construction | Jeremy Jon Beauchemin | — | (805) 963 6787 | GC, remodel, ADU | Goleta · Santa Barbara County | — | — |
| Zaca Construction INC | Aurelio Uribe | — | (805) 315 8925 | GC, remodel, ADU | Buellton · Santa Barbara County | — | — |
| Zaca Creek Landscapes INC | Thomas Frank De Marcus | — | (805) 688 4085 | Windows, patio, painters | Solvang · Santa Barbara County | — | — |
| Zamora Tile | Zamora Tile | — | (805) 478 5373 | Other | Santa Maria · Santa Barbara County | — | — |
| Zaragoza Painting | Zaragoza Painting | — | (805) 406 9466 | Windows, patio, painters | Santa Maria · Santa Barbara County | — | — |
| Zeek's Plumbing | Zeek's Plumbing | zeeksplumbingg@gmail.com | (805) 287 8045 | Other | Santa Maria · Santa Barbara County | — | — |
| Zepeda Engineering INC | Guerrero Antonio Zepeda | — | (805) 554 7833 | Other | Guadalupe · Santa Barbara County | — | — |
| Zierman Plumbing & Heating INC | Patricia Gilmer Zierman | — | (805) 928 2511 | HVAC | Santa Maria · Santa Barbara County | — | — |
| Zion Timberworks | Zion Timberworks | — | (805) 680 3844 | GC, remodel, ADU | Orcutt · Santa Barbara County | — | — |
| Zoom Electricians | Zoom Electricians | — | (805) 323-9779 | Electricians | Goleta · Santa Barbara County | — | — |