| James Warner | James Warner | complaints@jameswarner.com | (831) 566 8092 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Jamie Jones Drywall | Jamie Jones Drywall | — | (831) 240 5243 | Other | Santa Cruz · Santa Cruz County | — | — |
| Jamie Nelson Construction | Jamie Wayne Nelson | — | (805) 722 0773 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Jamison Hamilton General Construction | Jamison Augustus Hamilton | — | (831) 818 9813 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Jamison Heating And Air Conditioning | Jamison Heating And Air Conditioning | — | (831) 295 3589 | HVAC | Felton · Santa Cruz County | — | — |
| Jaquez Painting | Jaquez Painting | — | (831) 440 6471 | Windows, patio, painters | Freedom · Santa Cruz County | — | — |
| Jared Lewis Construction INC DBA Lewis Design-build-remodel | Jared Chip Lewis | — | (831) 566 9499 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| Jarquin Construction | Jarquin Santos Arturo | jarquinconstruction23@gmail.com | (831) 760 6488 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| Jarred Weldon | Jarred Weldon | — | (831) 345 8758 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| Jarsco Plumbing INC | Chris Robert Foss | — | (831) 332 5771 | Other | Santa Cruz · Santa Cruz County | — | — |
| Jason Childers | Jason Childers | — | (831) 239 6680 | Other | Aptos · Santa Cruz County | — | — |
| Jason Graham Construction INC | Jason Robert Graham | — | (831) 600 8635 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Jason Matthew Greene | Jason Matthew Greene | — | (408) 781 1850 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Jason Phillips Tile | Jason Phillips Tile | — | (831) 246 5325 | Other | Ben Lomond · Santa Cruz County | — | — |
| Jay Welty | Jay Welty | — | (831) 684 0433 | Windows, patio, painters | Aptos · Santa Cruz County | — | — |
| Jb Building & Sons INC | Jeremy Isbel Baker | — | (831) 588 6674 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Jb HVAC INC | Jorge Luis Barajas | jaclyn@jbhvac.com | (831) 331 5924 | HVAC | Watsonville · Santa Cruz County | — | — |
| Jc Framing INC | Juventino Cocotle-Ixmatlahua | — | (831) 228 9066 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Jd Home Builders INC | Jacob Michael Dowling | — | (831) 818 0955 | GC, remodel, ADU | Ben Lomond · Santa Cruz County | — | — |
| Jd Tree | John Davis Neff | — | (831) 295 0925 | Tree | Watsonville · Santa Cruz County | — | — |
| Jeff Atkinson Construction INC | Jeffry Lawrence Atkinson | — | (831) 359 9376 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Jeff Du Vernois Construction | Jeffrey C Du Vernois | — | (831) 212 8767 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Jeff Dunton Construction LLC | Jeffery Ernest Dunton | — | (831) 234 4683 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Jeff Hill & Sons Excavation And Grading INC | Jeffery Rowland Hill | — | (831) 336 5092 | Other | Ben Lomond · Santa Cruz County | — | — |
| Jeff M Fiorovich | Jeff M Fiorovich | — | (831) 212 1862 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| Jeff Menna Construction | Jeffrey Everett Menna | — | (831) 588 5827 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Jeff Moyer Construction | Jeffrey Thomas Moyer | — | (650) 793 1699 | GC, remodel, ADU | Boulder Creek · Santa Cruz County | — | — |
| Jeff Myers Construction INC | Jeffrey Daniel Myers | jeff@jeffmyersconstruction.com | (831) 247 0458 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Jeff Putney Construction | Jeffery Elton Putney | — | (831) 421 9777 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Jeff Reed Construction | Geoffrey Johnson Reed | — | (650) 380 4829 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Jeff Shults Construction INC | Jeffrey Scott Shults | — | (831) 246 0558 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Jeff Stone Construction | Jeffery Alan Stone | — | (408) 833 8042 | GC, remodel, ADU | Boulder Creek · Santa Cruz County | — | — |
| Jeffrey David Harra DBA Cenozoic Exploration | Cenozoic Exploration | — | (831) 689 9222 | Other | Aptos · Santa Cruz County | — | — |
| Jeffrey Lindahl Construction | Jeffrey Allen Lindahl | — | (831) 239 8481 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Jeffrey Rodriguez Plumbing | Jeffrey Joel Ii Rodriguez | — | (831) 332 2933 | Other | Watsonville · Santa Cruz County | — | — |
| Jennifer Gunst | Jennifer Gunst | — | (650) 862 8555 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Jeno Farkas Construction | Farkas Jeno | — | (831) 430 6174 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| Jensen Construction | Viktoria Suzanne Jensen | — | (831) 335 1066 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |
| Jeremiah Carr Electric INC | Jeremiah Daniel Carr | — | (831) 212 1021 | Electricians | Aptos · Santa Cruz County | — | — |
| Jeremy Borgeson General Builder | Jeremy Borgeson General Builder | — | (949) 531 2328 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |