| W S Builders INC | Swanepoel Warren | — | (831) 428 2752 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| W T Hites General Contractor | W T Hites General Contractor | — | (408) 489 7916 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Wade's INC DBA Wade's Plumbing & Septic | Byron Christopher Wade | — | (831) 225 4344 | Other | Ben Lomond · Santa Cruz County | — | — |
| Waldon Lewis Construction | Waldon Russell Lewis | — | (831) 854 2075 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| Waldorf And Barbour Construction INC | John Louis Waldorf | — | (831) 457 1570 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Walker Construction | Justin Gerald Walker | — | (831) 419 1126 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| Wallace Construction | William Walter Wallace | — | (408) 355 5007 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Walter Whitham Construction | Walter Evan Whitham | — | (831) 332 8618 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Warehouse Direct Interiors INC | Louis Charles Versman | — | (831) 429 8221 | Other | Santa Cruz · Santa Cruz County | — | — |
| Wasson Construction | Peng Ren | — | (352) 226 9439 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Watchdog Alarm | Watchdog Alarm | lara@watchdogalarm.com | (831) 425 1812 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Water And Stone Landscapes LLC | Jason Matthew Beiley | — | (831) 994 3308 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Water Street Stereo | Water Street Stereo | info@waterstreetstereo.com | (831) 427 1604 | Other | Watsonville · Santa Cruz County | — | — |
| Watercolors | Jason Paul Weihrauch | — | (831) 840 4765 | Windows, patio, painters | Aptos · Santa Cruz County | — | — |
| Watkins Design & Construction | Bradley Louis Watkins | — | (831) 234 0303 | GC, remodel, ADU | La Selva Beach · Santa Cruz County | — | — |
| Watsonville Electric | Nieves Alberto | — | (408) 707 6249 | Electricians | Watsonville · Santa Cruz County | — | — |
| Watsonville Glass & Window | Watsonville Glass & Window | — | (831) 254 1189 | Windows, patio, painters | Watsonville · Santa Cruz County | — | — |
| Watsonville Grading & Excavation INC | Lisa Gail Costello | — | (831) 728 4002 | Other | Watsonville · Santa Cruz County | — | — |
| Watsonville Roofing INC | Joseph Edward Martinez | eddie.martinez777@yahoo.com | (831) 724 4085 | Other roofers | Watsonville · Santa Cruz County | — | — |
| Watsonville Wetlands Watch | Daniel Anthony Casella | — | (831) 728 1156 | Windows, patio, painters | Freedom · Santa Cruz County | — | — |
| Watts-on Electric Co | Ivan Arana Mancillas | info@watts-on-electric.com | (831) 254 1812 | Electricians | Watsonville · Santa Cruz County | — | — |
| Wayne A King Jr - General Building Contractor | Wayne Alexander Jr King | — | (831) 475 7719 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Weather Wood Construction | William Jesse Gonzales | — | (831) 901 0723 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| Webber Construction | Stephen Eric Webber | — | (831) 332 4013 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Weiser Landscape | Weiser Landscape | — | (831) 566 7393 | Windows, patio, painters | Capitola · Santa Cruz County | — | — |
| Wendling Tile Works | Wendling Tile Works | — | (831) 419 8453 | Other | Aptos · Santa Cruz County | — | — |
| Wenger Paving INC | Jeffrey Dale Wenger | wengerpaving@gmail.com | (831) 476 8400 | Other | Scotts Valley · Santa Cruz County | — | — |
| Wesley Morrison Tile | Wesley Morrison Tile | — | (831) 334 3734 | Other | Santa Cruz · Santa Cruz County | — | — |
| West Coast Infrastructure A Joint Venture | Construction Company Granite | — | (831) 768 4087 | Other | Watsonville · Santa Cruz County | — | — |
| West Coast Mobility | West Coast Mobility | — | (831) 427 1146 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| West Coast Welding INC | Jesse Nevarez | — | (831) 319 9766 | Other | Watsonville · Santa Cruz County | — | — |
| West Coastal Construction | Juan Carlos Mota Viviano | — | (831) 319 2514 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| West Current Electric | Travis Austin Chiapella | hello@westcurrentelectric.com | (831) 539 7801 | Electricians | Watsonville · Santa Cruz County | — | — |
| West Sunset Tile And Stone Slabs | Eric Omar Alvirde Rojas | — | (831) 889 3050 | Other | Watsonville · Santa Cruz County | — | — |
| West Tile | West Tile | — | (831) 234 1347 | Other | Watsonville · Santa Cruz County | — | — |
| Western Edge Contractors Co | Orlando Lopez | — | (831) 247 5430 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Western Property Management | Western Property Management | info@westernpropertymanagement.net | (831) 688-0238 | Property managers | Aptos · Santa Cruz County | — | — |
| Whitlow Concrete INC | Dillon Olin Whitlow | — | (831) 475 4499 | Other | Capitola · Santa Cruz County | — | — |
| Wilcox Electric | Jacob Aaron Wilcox | — | (831) 840 3532 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Wilder Associates Inc. | Wilder Associates Inc. | — | (831) 662-0291 | Property managers | Aptos · Santa Cruz County | — | — |