| L H Builders INC | Luis Antonio Herrera Buendia | — | (669) 275 5713 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| L H C Construction | Liao Hau-ching | — | (408) 483 1965 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| L H Wire | L H Wire | — | (408) 680 4250 | Electricians | Campbell · Santa Clara County | — | — |
| L J Mechanical Heating & Cooling INC | Larry Joseph Acosta | — | (408) 201 2194 | HVAC | Gilroy · Santa Clara County | — | — |
| L K Construction INC | Quanglam Tran Le | — | (408) 966 2907 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| L M Construction | Lambert C Malloy | — | (408) 499 5606 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| L N D | L N D | — | (650) 743 7246 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| L P Construction | Leo Ignatius Picollo | — | (408) 234 3731 | Other | Sunnyvale · Santa Clara County | — | — |
| L P Construction | Phi Dinh Lam | — | (408) 439 9904 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| L P Electric INC | Larry Lolly Paredes | — | (408) 761 2768 | Electricians | Gilroy · Santa Clara County | — | — |
| L P G Fire Protection INC | Luis Philip Gregorio | — | (408) 661 8467 | Other | San Jose · Santa Clara County | — | — |
| L R Landscaping | L R Landscaping | — | (408) 500 9498 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| L R Premier Concrete INC | Ramirez Eleazar Lopez | — | (408) 658 3228 | Other | Gilroy · Santa Clara County | — | — |
| L S B & Assoc Development & Construction | Lakhwinder Singh Bhangoo | — | (408) 892 8935 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| L S C Cabinetry INC | Laurence Scott Chivers | larry@lsccabinetry.com | (408) 363 4098 | Other | San Jose · Santa Clara County | — | — |
| L T Construction And Management INC | Laishui Michael Lau | — | (408) 981 2878 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| L T E Co-lucky 13 Electronic | Edward Eric Hansen | — | (408) 295 7044 | Other | San Jose · Santa Clara County | — | — |
| L T Electric | Larry Pasay Tumale | — | (408) 649 4874 | Electricians | San Jose · Santa Clara County | — | — |
| L T General Contractors | Lee Xuan Tran | — | (408) 449 8064 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| L W G Construction INC | Leland William Gerber | — | (408) 463 6676 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| La Chance's Radiant Heating LLC | Michael Richard La Chance | mlachance@att.net | (408) 986 8189 | HVAC | Santa Clara · Santa Clara County | — | — |
| La Corte's Tile | La Corte's Tile | — | (408) 772 8551 | Other | San Jose · Santa Clara County | — | — |
| La French Brush | La French Brush | — | (408) 603 7114 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| La Laguna's Painting | La Laguna's Painting | — | (669) 226 2387 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| La Madrugada Construction | Dawn Michelle Adams | — | (650) 468 3419 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |
| La Sierra Quality Landscape INC | Espino Martin Lemuz | — | (408) 891 2625 | Windows, patio, painters | San Martin · Santa Clara County | — | — |
| La Villa Legacy Concrete | Garcia Dennis Barrales | — | (408) 750 4753 | Other | San Jose · Santa Clara County | — | — |
| Lacoe Remodeling | Cody Colton Lacoe | — | (408) 710 8176 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Lake View Tile | Lake View Tile | — | (408) 817 0126 | Other | Gilroy · Santa Clara County | — | — |
| Lakeshore Electric & Engineering Company INC | Glenn Dale Davis | — | (408) 506 4143 | Electricians | San Jose · Santa Clara County | — | — |
| Lakewood Construction | Wong Manh | — | (408) 887 8823 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lam C General Construction | Thanh Cong Van Lam | — | (408) 794 5366 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lam Electric Co | Binh Bao Lam | — | (408) 219 7726 | Electricians | San Jose · Santa Clara County | — | — |
| Lamassu Homes & Landscape | Betkolia Noella Maryoonani | — | (408) 717 1402 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Lambert & Sons Floor Covering Co INC | Jared Elwin Lambert | — | (408) 371 2630 | Other | Campbell · Santa Clara County | — | — |
| Lamcke Construction | Leslie Howard Lamcke | — | (408) 499 1608 | Electricians | Morgan Hill · Santa Clara County | — | — |
| Lamia Construction | Andreas John Halatsis | — | (408) 594 1401 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lammers Electric And Construction | Craig Leroy Lammers | — | (408) 568 1023 | Electricians | Morgan Hill · Santa Clara County | — | — |
| Lamson General Construction Co | Lamson Thanh Le | — | (408) 499 8092 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lan Construction | Avalos Nunez Leonardo | — | (650) 518 3760 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |