| Loto-ja Electric | Javier Torres Lopez | — | (408) 425 9071 | Electricians | San Jose · Santa Clara County | — | — |
| Lotus Air Care | Lotus Air Care | — | (408) 892 6537 | HVAC | San Jose · Santa Clara County | — | — |
| Lotus Glass INC | Young Ki Kim | — | (408) 277 0248 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Lotus Real Estate And Development INC | Rakesh Suresh Patel | — | (408) 912 5118 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Louis La Corte Landscaping | Louis La Corte Landscaping | — | (408) 857 8580 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Lourenco Construction | Orivalde Manuel Lourenco | — | (408) 564 3477 | HVAC | Santa Clara · Santa Clara County | — | — |
| Love Construction | Lop Minh Le | — | (408) 887 0292 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lovelace Construction | Edward Randall Lovelace | — | (408) 489 6107 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Low Buck Pools INC | Jorge Alfredo Jr Santillan | — | (408) 520 6551 | Pool | San Jose · Santa Clara County | — | — |
| Lowe's Air Duct Cleaning | Sahakyan Martin | — | (650) 844 8440 | HVAC | San Jose · Santa Clara County | — | — |
| Lowery Construction | Dennis Wayne Lowery | — | (408) 202 3020 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Loya's Landscaping | Loya's Landscaping | — | (408) 591 3916 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Lozano Electric | Lozano Jorge | — | (408) 595 5226 | Electricians | San Jose · Santa Clara County | — | — |
| Lozano Levi Legacy 1 Construction Solutions | Abinoan Levi Lozano | — | (520) 223 1333 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| LP & Son's Professional Painting INC | Luis Ambrosio Perez | — | (408) 512 6387 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| LP Builders INC | Lily Ngoc Doan | — | (408) 781 3801 | Electricians | San Jose · Santa Clara County | — | — |
| Lq Concrete Inc. | Luis Alberto Mejia Quiroz | — | (408) 401 4116 | Other | San Jose · Santa Clara County | — | — |
| Lrc Roofing | Luis Antonio Ramirez Chan | — | (408) 317 5839 | Other roofers | San Jose · Santa Clara County | — | — |
| Ltb Construction | Loc Thanh Bui | impallari@gmail.com | (408) 990 6162 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Ltgs Construction | Khanh Cong Tran | — | (408) 759 1642 | Other roofers | San Jose · Santa Clara County | — | — |
| Lti Electric INC | Curtis Lee Summers | — | (408) 320 1682 | Electricians | Santa Clara · Santa Clara County | — | — |
| Lua's Construction & Facilities | Lua Rafael | — | (408) 970 4710 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Luat Duc Nguyen | Luat Duc Nguyen | — | (408) 888 5101 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Lucas Construction | Daniel William Lucas | — | (650) 465 7611 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Lucas Heating & AC Repair Santa Clarita | Lucas Heating & AC Repair Santa Clarita | — | (661) 552-6213 | HVAC | Santa Clarita · Santa Clara County | — | — |
| Lucatero Tree Service INC | Sergio E Chavez Vargas | — | (408) 393 0405 | Other | San Jose · Santa Clara County | — | — |
| Lucio Garage Door Services INC | Lucio Tassara | — | (408) 857 5523 | Other | Los Gatos · Santa Clara County | — | — |
| Lucky Builders INC | Jiumin Zhao | — | (408) 892 2913 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Lucky Kitchen & Bath | Lucky Kitchen & Bath | — | (408) 797 9875 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lucky Rooter & Plumbing | Loi Kim Thai | — | (408) 813 5613 | Other | San Jose · Santa Clara County | — | — |
| Luckyking Construction | Lucky-king Kim Ngo | — | (408) 832 0249 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lugo Advanced Electric | Lugo David | dlugo@lugoae.com | (669) 832 7358 | Electricians | Sunnyvale · Santa Clara County | — | — |
| Luis A Miranda - Ramirez | Luis A Miranda - Ramirez | — | (408) 691 0844 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Luis E Rios DBA Rios & Company | Luis Enrique Rios | — | (408) 971 4787 | Electricians | Sunnyvale · Santa Clara County | — | — |
| Lujans Plumbing & Rooter | Lujans Plumbing & Rooter | — | (408) 569 6214 | Other | Gilroy · Santa Clara County | — | — |
| Luke's Tree Care INC | Luke Jason Weill | — | (408) 390 4812 | Tree | San Jose · Santa Clara County | — | — |
| Luma Craft Construction INC | Lina Sun | — | (650) 538 8888 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Lumar Builders INC | Luis Martin Lopez Guerrero | — | (408) 624 6085 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lumelec LLC | Anna Zakharya | — | (408) 345 3783 | Electricians | Palo Alto · Santa Clara County | — | — |
| Luminaire Electric | Rueben Rey Luna | — | (408) 833 3885 | Electricians | Morgan Hill · Santa Clara County | — | — |