| Izzy Tile Stone | Alfonso Munoz | — | (408) 393 0687 | Other | Campbell · Santa Clara County | — | — |
| J & A Builders INC | Roi Edery | — | (650) 798 7462 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| J & D Painting | J & D Painting | — | (408) 592 1763 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| J & E Painting INC | Cecilia Villalobos | — | (408) 476 9393 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| J & J Acoustics INC | Joseph Michael Jean | — | (408) 275 9255 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| J & J Air Conditioning INC | Frank Sustaita Quintanar | — | (408) 920 0662 | HVAC | San Jose · Santa Clara County | — | — |
| J & J Landscape INC | Jesse Soto Valcazare | — | (408) 626 9532 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| J & J Painting Co | Kenneth Edward Dirubio | — | (408) 202 1640 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| J & L Wall Covering INC | Olea Luis Villavicencio | — | (408) 648 7699 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| J & M Maintenance & Remodeling INC | Jose Cruz | — | (669) 258 5040 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| J & M Windows And Glass INC | Mark James Young | — | (408) 371 7255 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| J & P Home Builders INC | Edvin Aghansian | — | (408) 903 8205 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| J & R Plumbing INC | Charles John Fleskes | — | (650) 322 3001 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| J & S Rodriguez Builders INC | Saul Oscar Vides Soto | — | (650) 281 1627 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| J 'brent' Baker Flooring | J 'brent' Baker Flooring | — | (408) 891 3528 | Other | San Jose · Santa Clara County | — | — |
| J 1 Construction | Alejandro Jose Ayala | — | (650) 722 8556 | Other roofers | San Jose · Santa Clara County | — | — |
| J A Antuzzi Concrete Co INC | Joseph Anthony Jr Antuzzi | — | (408) 287 0775 | Other | San Jose · Santa Clara County | — | — |
| J A Giacinto & Sons INC DBA Diamond Glass Co | Glenn Michael Giacinto | — | (408) 986 8677 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| J A Mechanical | John Alan Ambrose | — | (408) 227 2885 | HVAC | San Jose · Santa Clara County | — | — |
| J A Montes Construction | Jose Alfredo Montes | — | (650) 208 8077 | Electricians | East Palo Alto · Santa Clara County | — | — |
| J A Netzel Construction | James Alan Netzel | — | (408) 666 0568 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| J A R Underground Electric INC | Lourdes L Rey | — | (408) 691 9690 | Electricians | San Jose · Santa Clara County | — | — |
| J B C Quality Painting | J B C Quality Painting | — | (408) 626 9964 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| J B Caulking & Waterproofing INC | Juan Antonio Barreiro | — | (408) 591 6561 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| J B Copple Construction Co | James Brook Copple | — | (408) 279 1661 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| J B K Aire INC | Elizabeth Ann Kerr | — | (408) 779 3296 | HVAC | Morgan Hill · Santa Clara County | — | — |
| J B M Custom Cabinets INC | Leonardo Flores | — | (408) 779 2191 | Other | Morgan Hill · Santa Clara County | — | — |
| J B Rooter And Plumbing INC | Jerry Edward Biondo | — | (408) 219 7842 | Other | San Jose · Santa Clara County | — | — |
| J Bar Construction | Joe John Cambareri | — | (408) 316 0603 | GC, remodel, ADU | San Martin · Santa Clara County | — | — |
| J Brown Construction | Jeff Roger Brown | — | (408) 269 8073 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| J C C Painting | Claudia Valencia | claudia@jccpainting.com | (408) 314 2800 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| J C Construction | John Daniel Collins | — | (408) 866 0336 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| J C Construction | Johnathan Clifford Hammell | — | (650) 465 2840 | GC, remodel, ADU | Mountain View · Santa Clara County | — | — |
| J C Elite INC | Rogelio Gomez Garza | — | (408) 592 9054 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| J C G Construction | Joseph Charles Green | — | (408) 300 2950 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| J C M Electric | James Robert Chane Mastros | — | (408) 396 6592 | Electricians | Los Gatos · Santa Clara County | — | — |
| J C S Builders INC | John Carl Sonenberg | — | (408) 466 4711 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| J C S Painting INC | Soto Rafael Cuellar | — | (408) 201 3568 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| J Caviglia & Company INC | Joseph Albert Caviglia | — | (408) 386 6825 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| J Coates Builders INC | John Allen Coates | — | (408) 314 2770 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |