| Legacy Roofing & Waterproofing INC | Robert R Ruiz | — | (408) 467 0150 | Other roofers | San Jose · Santa Clara County | — | — |
| Legado Premier Builder | Legado Premier Builder | — | (650) 630 1517 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Legal Renovations | Legal Renovations | legalrenovations@gmail.com | (408) 375 8637 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Legend Builders INC | Jagjit Singh Bains | — | (408) 592 8563 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Legend Construction | Zhang Kai | — | (408) 239 9121 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Legend Remodeling & Improvement | Donald Fred Jr Dupont | — | (425) 420 3486 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Legendary Pools INC | Ricardo Padilla | — | (408) 204 6185 | Pool | San Martin · Santa Clara County | — | — |
| Legit Renovations INC | Refugio Esquivel | — | (650) 518 2797 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |
| Leisure Living And Design INC | Renee Elizabeth Daggett | — | (408) 782 5017 | GC, remodel, ADU | Morgan Hill · Santa Clara County | — | — |
| Leisure Products Systems | Robert Kevin Jones | — | (408) 313 0446 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lema Landscape INC | Donald George Lema | — | (408) 228 3470 | Windows, patio, painters | San Martin · Santa Clara County | — | — |
| Lemus Construction | Cristhian Leonel Lemus Chacon | info@lemusconstruction.com | (650) 274 7044 | GC, remodel, ADU | East Palo Alto · Santa Clara County | — | — |
| Lemus Framers | Miguel Angel Lemus Ayala | — | (408) 645 4259 | Other | Gilroy · Santa Clara County | — | — |
| Lentz Enterprises INC | Joel David Lentz | joel@lentzenterprises.com | (408) 314 9564 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Leo - Michael Anshutz Landscaping INC | Leo-Michael Anshutz | — | (408) 846 0125 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Leo Construction | Afshin Amanat | — | (301) 328 6875 | GC, remodel, ADU | Los Gatos · Santa Clara County | — | — |
| Leo Construction Builders INC | Hector Leonel Aroche | — | (408) 420 7569 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Leo J Cacitti General Engineering Construction | Leo Joseph Cacitti | — | (408) 268 0108 | Other | San Jose · Santa Clara County | — | — |
| Leonard And Co INC | Frederick Reese Wilhelm | — | (408) 934 8304 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Leonard Anthony Valenti Incorporated DBA Commercial Environment | Leonard Anthony Valenti | — | (408) 848 9688 | GC, remodel, ADU | Gilroy · Santa Clara County | — | — |
| Leonard's Construction | John Allan Leonard | — | (408) 564 7437 | Other | San Jose · Santa Clara County | — | — |
| Leonardo's Painting | Leonardo's Painting | — | (408) 206 0113 | Windows, patio, painters | Gilroy · Santa Clara County | — | — |
| Leoni Engineering | Leoni Engineering | — | (650) 656 1708 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Lera Company | Lawrence Ray Evans | — | (408) 569 9249 | Other | San Jose · Santa Clara County | — | — |
| Lerch Construction Company | John Theodore Lerch | admin@lerchconstruction.com | (650) 843 1144 | Electricians | Palo Alto · Santa Clara County | — | — |
| Leroy Brady | Leroy Brady | — | (408) 439 2767 | Windows, patio, painters | Campbell · Santa Clara County | — | — |
| Less Stress Property Management | Less Stress Property Management | info@lessstresspropertymanagement.com | (408) 431-7202 | Property managers | Sunnyvale · Santa Clara County | — | — |
| Let's Build It Construction INC | Bruce Anthony Leonti | — | (408) 805 9066 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Let's Concrete | Let's Concrete | — | (408) 778 0007 | Other | Morgan Hill · Santa Clara County | — | — |
| Leung Chu | Leung Chu | — | (408) 528 5430 | Electricians | Los Gatos · Santa Clara County | — | — |
| Lev Noyevich Revzine | Lev Noyevich Revzine | — | (650) 520 1727 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Level 10 Construction LP | Paul Albert Moran | — | (408) 663 2161 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Level 10 Overhead Door | Rodriguez Anali Rodriguez | — | (408) 529 2371 | Other | San Jose · Santa Clara County | — | — |
| Level 5 INC | Brandon Michael Tirri | — | (408) 566 1560 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| Level A Construction INC | Hernandez Alejandro Hernandez | — | (408) 661 7361 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Level Construction | Zhen Peng Kevin Li | — | (408) 628 8958 | GC, remodel, ADU | Campbell · Santa Clara County | — | — |
| Level Construction LLC | Zhen Peng Kevin Li | — | (408) 628 8958 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Level Sj Drywall INC | Juan Carlos Sanchez Mejia | — | (408) 763 1152 | Other | Gilroy · Santa Clara County | — | — |
| Level Up Builders INC | Badalzadeh Balaneji Todik | — | (408) 816 6821 | GC, remodel, ADU | Saratoga · Santa Clara County | — | — |
| Lewis And Tibbitts INC | David Gallardo Espinoza | — | (408) 925 0220 | Electricians | San Jose · Santa Clara County | — | — |