| Jmg Painting | Jmg Painting | — | (650) 313 1635 | Windows, patio, painters | E Palo Alto · Santa Clara County | — | — |
| Jmm Construction LLC | Keith Alan Mills | — | (831) 334 4572 | HVAC | San Jose · Santa Clara County | — | — |
| Jmx Electric INC | John Charles Meyers | — | (408) 361 8600 | Electricians | San Jose · Santa Clara County | — | — |
| Jnc Construction | Villar Molina Jaime | — | (530) 681 2792 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Jocsan Tile Company | Vazquez Garcia Jocsan | — | (669) 237 5846 | Other | San Jose · Santa Clara County | — | — |
| Joe Ferrante Construction | Joseph Michael Ferrante | — | (408) 832 5676 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Joe Giancola Construction INC | Joseph Daniel Giancola | — | (408) 779 1230 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Joe Kocher Plumbing INC | Joseph Gerard Kocher | — | (408) 378 8860 | HVAC | Campbell · Santa Clara County | — | — |
| Joe Taormina Tape And Texture | Joe Taormina Tape And Texture | — | (408) 722 5004 | Other | Morgan Hill · Santa Clara County | — | — |
| Joe Trevino INC | Trevino Joe | — | (408) 674 9222 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Joe's Home Improvement | Joe's Home Improvement | — | (408) 921 4558 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Joe's Pool & Spa Service | Olvera Jose | — | (408) 225 8204 | Pool | San Jose · Santa Clara County | — | — |
| Joel Alexis Ceballes DBA Amped Up Audio Video | Amped Up Audio Video | — | (408) 309 0840 | Other | San Jose · Santa Clara County | — | — |
| Joel Dickson Constrution | Joel Dickson Constrution | — | (408) 307 3366 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Joel Favela Painting Co | Joel Diaz Favela | — | (408) 206 4468 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Johal Electrical Solutions | Cristian Ignacio Torres-Perez | hello@johalelectricalsolutions.com | (669) 317 3532 | Electricians | San Jose · Santa Clara County | — | — |
| John Albert Hlebo Jr | John Albert Hlebo Jr | — | (408) 997 1878 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| John B Ramos | John B Ramos | — | (408) 687 0464 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| John Bessleling | John Bessleling | — | (408) 309 3734 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| John C Acosta | John C Acosta | — | (669) 245 0289 | Electricians | San Jose · Santa Clara County | — | — |
| John C Frankfurt | John C Frankfurt | — | (650) 465 9700 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| John C Ross | John C Ross | — | (408) 377 4624 | Electricians | Campbell · Santa Clara County | — | — |
| John Castello | John Castello | — | (408) 770 6801 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| John Chi Construction Co | Chi John | — | (408) 858 8593 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| John Construction INC | Hai Minh Tran | — | (408) 591 4206 | Electricians | Santa Clara · Santa Clara County | — | — |
| John Cote | John Cote | contact@john-cote.com | (650) 642 0507 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| John Crane Morris Jr | John Crane Morris Jr | — | (650) 279 9717 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| John David Sobey | John David Sobey | — | (530) 368 7810 | Other | Los Altos Hills · Santa Clara County | — | — |
| John Eaton | John Eaton | — | (510) 508 0216 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| John Gregory Trefry | John Gregory Trefry | — | (408) 981 1047 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| John H Chau DBA Golden Eagle Floor Covering | Golden Eagle Floor Covering | — | (408) 482 5422 | Other | San Jose · Santa Clara County | — | — |
| John Hanson | John Hanson | leufatad@johnhanson.com | (510) 825 2146 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| John Kochever & Son INC | Dennis James Rogers | — | (408) 644 0308 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| John Lee Garden Service | John Man Lee | — | (408) 267 8737 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| John Mansch Construction | John Donald Jr Mansch | — | (530) 448 1059 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| John Mc Kean | John Mc Kean | — | (408) 973 1865 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| John Mccune Construction | John C Mc Cune | — | (408) 395 6080 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| John Melendez Paint Company | John Phillip Melendez | — | (831) 269 2837 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| John Mittlestead Construction | John Ed Mittlestead | — | (408) 234 9821 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| John Molina Concrete | John Molina Concrete | jmolinaconcrete@yahoo.com | (408) 590 8972 | Other | San Jose · Santa Clara County | — | — |