| Van Meter Logging INC | Brett Russel Van Meter | — | (707) 223 0311 | Other | Garberville · Humboldt County | — | — |
| Vella Wood Flooring Company | Gary Vincent Vella | — | (707) 223 1024 | Other | Redway · Humboldt County | — | — |
| Vernon Danco Builders Northwest Jv | Builders Northwest Danco | — | (707) 822 9000 | GC, remodel, ADU | Arcata · Humboldt County | — | — |
| Vic's Quality Painting | Vic's Quality Painting | — | (707) 722 4372 | Windows, patio, painters | Redcrest · Humboldt County | — | — |
| Viltrakis Construction INC | Joseph William Viltrakis | — | (707) 768 8001 | GC, remodel, ADU | Hydesville · Humboldt County | — | — |
| Vista Construction | Nathanial Kent Combs | — | (707) 834 5560 | GC, remodel, ADU | Mc Kinleyville · Humboldt County | — | — |
| Vista Roofing Corp | Daniel Warren Eggert | — | (415) 314 6692 | Other roofers | Arcata · Humboldt County | — | — |
| Vitale Construction | Richard Matthew Vitale | — | (707) 496 1945 | GC, remodel, ADU | Eureka · Humboldt County | — | — |
| Vs Const-shinn INC | Weston Vernon Shinn | — | (707) 499 6425 | Other | Ferndale · Humboldt County | — | — |
| W L Erickson Construction | William Lasere Erickson | — | (707) 382 0888 | GC, remodel, ADU | Arcata · Humboldt County | — | — |
| W R T Landscape INC | Wade Allan Trabue | — | (707) 223 8829 | Windows, patio, painters | Garberville · Humboldt County | — | — |
| Wade Bray General Contractor INC | Michael Wade Bray | — | (707) 445 9037 | GC, remodel, ADU | Eureka · Humboldt County | — | — |
| Wahlund Construction INC | Kenneth Michael Wahlund | — | (707) 268 0150 | Electricians | Eureka · Humboldt County | — | — |
| Wahlund Construction INC / Sequoia Construction Specialties | Construction INC Wahlund | — | (707) 268 0150 | Other | Eureka · Humboldt County | — | — |
| Wallace And Hinz Bar Company | Thomas Anthony Tellez | — | (707) 668 1825 | Other | Blue Lake · Humboldt County | — | — |
| Wayne Maples Plumbing & Heating INC | Shawn Brendon Maples | — | (707) 445 2500 | HVAC | Eureka · Humboldt County | — | — |
| Wayne Schultz Construction | Wayne Edward Schultz | — | (707) 616 3995 | GC, remodel, ADU | Trinidad · Humboldt County | — | — |
| Weeks Construction | Daniel Lewis Weeks | info@weeksconstruction.com | (707) 845 6612 | GC, remodel, ADU | Hydesville · Humboldt County | — | — |
| Wehausen Painting LLC | Jason John Wehausen | contact@sansoxygen.com | (707) 798 7015 | Windows, patio, painters | Eureka · Humboldt County | — | — |
| Well Done Gutters | Well Done Gutters | — | (707) 834 2626 | Other | Rio Dell · Humboldt County | — | — |
| Wendell John Gray Construction | Wendell John Gray | — | (707) 768 1760 | GC, remodel, ADU | Fortuna · Humboldt County | — | — |
| Wendt Construction Co INC | Susan Janeen Long | — | (707) 725 5641 | GC, remodel, ADU | Fortuna · Humboldt County | — | — |
| West Coast Tree Works | Leobardo Dale Rivera | — | (707) 502 6911 | Other | Eureka · Humboldt County | — | — |
| West End Builders INC | Miles Murdoch Smith | — | (707) 498 3805 | GC, remodel, ADU | Arcata · Humboldt County | — | — |
| Western Star Tree Company INC | Eugene Duane Abbott | — | (707) 223 5800 | Tree | Whitethorn · Humboldt County | — | — |
| White Electric Co | James Alan White | — | (707) 496 3724 | Electricians | Loleta · Humboldt County | — | — |
| Whitson INC | Richard David Reinhard | — | (707) 845 8107 | HVAC | Willow Creek · Humboldt County | — | — |
| Wild Horse Construction | Everett Herman Jr Colegrove | — | (530) 739 2172 | GC, remodel, ADU | Hoopa · Humboldt County | — | — |
| Wild Rivers Electric | Nicholas Robert Hawthorne | nick@wildriverselectric.com | (707) 951 0339 | Electricians | Mc Kinleyville · Humboldt County | — | — |
| Will Power | Will Power | — | (707) 496 3246 | Electricians | Eureka · Humboldt County | — | — |
| Will Rogers Construction | William Edward Rogers | — | (707) 499 5474 | GC, remodel, ADU | Redcrest · Humboldt County | — | — |
| William Cosby | William Cosby | — | (707) 496 6240 | GC, remodel, ADU | Mc Kinleyville · Humboldt County | — | — |
| William Eldon Mobley Iv | William Eldon Mobley Iv | — | (707) 496 5699 | Other | Ferndale · Humboldt County | — | — |
| William F Bott | William F Bott | — | (707) 443 7961 | Other | Bayside · Humboldt County | — | — |
| William Gray Construction | William Robert Gray | — | (707) 768 9744 | GC, remodel, ADU | Hydesville · Humboldt County | — | — |
| William J Etter Construction | William Joseph Etter | — | (707) 629 3420 | Other | Honeydew · Humboldt County | — | — |
| Williams Carpentry | Williams Carpentry | — | (424) 214 9728 | GC, remodel, ADU | Manila · Humboldt County | — | — |
| Williamson Construction | Michael Monroe Williamson | — | (707) 845 6467 | GC, remodel, ADU | Cutten · Humboldt County | — | — |
| Willner Construction | Virgil Jason Willner | — | (707) 986 7206 | GC, remodel, ADU | Redway · Humboldt County | — | — |
| Wilson Construction | David Howard Wilson | — | (707) 725 5034 | GC, remodel, ADU | Fortuna · Humboldt County | — | — |