| Lexor Builders INC | William Frank Hirschman | — | (408) 402 9877 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Lg Builders | Sargsyan Suren | — | (650) 714 6967 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Lg Coronas Concrete | Lg Coronas Concrete | — | (408) 763 1995 | Other | Gilroy · Santa Clara County | — | — |
| Lh Construction | Tan V Nguyen | — | (408) 439 3111 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lh Landscaping | Lh Landscaping | — | (408) 655 7397 | Windows, patio, painters | Milpitas · Santa Clara County | — | — |
| Lh Wang Home INC | Chiehpo Chang | — | (408) 393 6075 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lhr Tile | Lhr Tile | — | (408) 835 7918 | Other | Campbell · Santa Clara County | — | — |
| Li Fucheng | Li Fucheng | — | (415) 417 9802 | Electricians | San Jose · Santa Clara County | — | — |
| Li Xicou | Li Xicou | — | (408) 891 7300 | GC, remodel, ADU | Milpitas · Santa Clara County | — | — |
| Li Xiong | Li Xiong | — | (408) 216 3472 | GC, remodel, ADU | Alviso · Santa Clara County | — | — |
| Liberty Builders INC | Bubalo Neris | — | (408) 613 9750 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Liberty Construction | Wallie Duran Dominguez | — | (408) 234 8702 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Liberty Contracting And Consulting INC | Bryan Lee Booher | — | (916) 812 5818 | Other | Gilroy · Santa Clara County | — | — |
| Liberty Electric INC | Alejandro Nayib Lopez | — | (408) 786 4276 | Electricians | San Jose · Santa Clara County | — | — |
| Liberty Roofing | Miguel Angel Campos | — | (408) 768 3177 | Other roofers | San Jose · Santa Clara County | — | — |
| Lickety - Split | Lickety - Split | — | (408) 265 0564 | GC, remodel, ADU | Redwood Estates · Santa Clara County | — | — |
| Lico's Roofing Company INC | Federico Reza-Rangel | — | (408) 843 3014 | Other roofers | Gilroy · Santa Clara County | — | — |
| Lifeguard Fire Protection INC | Richard Paul Iii Bauer | — | (408) 483 5885 | Other | San Jose · Santa Clara County | — | — |
| Lifescape Custom Landscaping INC | Jeffrey David Veliquette | — | (408) 772 8337 | Windows, patio, painters | Morgan Hill · Santa Clara County | — | — |
| Lifetime Roofing Renovation | Daniel Keshishyan | support@lifetimeroofingrenovation.com | (408) 685 2177 | Other roofers | Sunnyvale · Santa Clara County | — | — |
| Light Speed Low Voltage | James W. Porter Pio | — | (408) 480 0909 | Other | Los Gatos · Santa Clara County | — | — |
| Lightectron LLC | Yujie Zhu | — | (669) 256 9028 | Electricians | San Jose · Santa Clara County | — | — |
| Lighthouse Construction Consultants | Paul Benjamin Horsager | — | (408) 891 4129 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lighthouse Plumbing & Heating | Lighthouse Plumbing & Heating | — | (831) 385 9515 | HVAC | Gilroy · Santa Clara County | — | — |
| Lighthouse Windows | Lighthouse Windows | — | (831) 345-4783 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| Lighting Fast Signs | Robert Jonathan Booker | — | (650) 969 9258 | Other | Los Altos · Santa Clara County | — | — |
| Lightning Bolt Electric INC | Phuong Thanh Le | — | (408) 858 0526 | Electricians | Santa Clara · Santa Clara County | — | — |
| Lightning Electric | Cruz Alvarado Edgar | — | (408) 914 1151 | Electricians | San Jose · Santa Clara County | — | — |
| Lightning Roof Removal INC | Ramirez Lopez Gustavo | — | (408) 966 2758 | Other roofers | San Jose · Santa Clara County | — | — |
| Lightspeed Restoration Of Southwest San Jose | Lightspeed Restoration Of Southwest San Jose | lr.sw-san-jose@lightspeedrestoration.com | (408) 580-8582 | Restoration | Santa Clara · Santa Clara County | — | — |
| Lightwave Construction INC | Steppen Geary Beecher | — | (916) 515 7968 | Other | San Jose · Santa Clara County | — | — |
| Lillo Construction | Jose Biagetti Lillo | — | (408) 806 9309 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lily Chang INC | Jyan-Ping Lily Chang | — | (408) 356 1185 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Limebricks Home Services | Yuejun Chen | — | (510) 516 4783 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| Limerence Construction | Rahbar Zhubin | — | (310) 663 5330 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Limitless Concrete Construction LLC | Miguel Eduardo Hernandez | — | (408) 204 1056 | Other | Milpitas · Santa Clara County | — | — |
| Limon Painting Company | Limon Clemente | — | (408) 375 3180 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Lincoln Builders & Mj Painting | Marshall Juarez | — | (408) 595 2561 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lincoln Glass & Mirror Co | Ray Jafari Farahani | — | (408) 922 0555 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lindstrom Construction | Robert Jay Lindstrom | — | (408) 823 7620 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |