| Lehmann Construction And Development | Todd Flint Lehmann | — | (805) 630 0726 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Leisure Technologies LLC | Brian James Osborne | — | (917) 586 2098 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Leko Construction INC | Loretta Marie Leko | — | (805) 523 8933 | Other | Moorpark · Ventura County | — | — |
| Lemette Construction Design | Priscilla Alvira Lemette | — | (310) 749 3434 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Lemus Pools | Lemus Pools | service@lemuspools.com | (805) 501 8786 | Pool | Fillmore · Ventura County | — | — |
| Len Air Specialist INC | Douglas Keith Rastatter | — | (805) 497 1171 | HVAC | Simi Valley · Ventura County | — | — |
| Leo's And Son's Tree Service | Leopoldo Jimenez Guardado | — | (805) 581 0922 | Tree | Simi Valley · Ventura County | — | — |
| Leo's General Contracting | Liopoldo Jr Simental | — | (805) 981 6419 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Leo's Plumbing And Piping INC | Leo Castaneda Ramirez | — | (805) 921 3006 | Other | Camarillo · Ventura County | — | — |
| Leo's Tub Refinishing INC | Campos Ortiz Leodan | leostubrefinishing@outlook.com | (805) 302 0404 | Other | Moorpark · Ventura County | — | — |
| Leobardo Ramirez DBA California Garage Doors | California Garage Doors | — | (805) 573 8324 | Other | Thousand Oaks · Ventura County | — | — |
| Leon Hernandez DBA True Home Renovation | True Home Renovation | — | (805) 910 6043 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Leonard De La Cruz | Leonard De La Cruz | — | (805) 483 1136 | Windows, patio, painters | Port Hueneme · Ventura County | — | — |
| Leonardo Pretti | Leonardo Pretti | — | (805) 304 2753 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Leones Painting | Leones Painting | — | (805) 304 2187 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Leos Construction LLC | Pedroza Joel Leos | — | (805) 294 0630 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Lepe Perfect Painting INC DBA Perfect Painting | Angel Augusto Lepe | — | (805) 729 4365 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Leslie Toth | Leslie Toth | bluetrickster1@gmail.com | (570) 499-4456 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Lestak Electric | Mark Steven Lestak | — | (805) 444 6108 | Electricians | Thousand Oaks · Ventura County | — | — |
| Lestrange Woodwork And Millwork | Lestrange Woodwork And Millwork | — | (805) 320 5869 | Other | Ventura · Ventura County | — | — |
| Level 2 Electric | Robert Irving Weiner | — | (805) 207 9520 | Electricians | Moorpark · Ventura County | — | — |
| Levi's Lock & Security | Levi's Lock & Security | — | (805) 424 7705 | Alarm and generators | Camarillo · Ventura County | — | — |
| Levi's Sawing | Levi's Sawing | — | (805) 643 0706 | Other | Ventura · Ventura County | — | — |
| Levinson Engineering | William Charles Levinson | — | (805) 218 0438 | Other | Ventura · Ventura County | — | — |
| Leyla Remodeling INC | Alireza Laghaei | — | (818) 539 0009 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Leyva's Construction Company Ii | Raymundo Manuel Leyva | — | (707) 237 1710 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Lf Plumbing Services LLC | Luca Finizio | — | (818) 624 2917 | Other | Simi Valley · Ventura County | — | — |
| Lg Audio Video | Lg Audio Video | luciano@latinotype.com | (805) 616 4938 | Other | Oxnard · Ventura County | — | — |
| Lgs Construction | Shaun Michael Coyle | — | (805) 405 9668 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Lhr Painting | Lhr Painting | — | (805) 901 8159 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Liberty Construction And Investment INC | James Ange | — | (805) 496 1197 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Liberty Home Repair | Liberty Home Repair | — | (805) 236 5794 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Liberty Investments INC | Ange James | — | (805) 551 2256 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Liberty Pacific Builders | Liberty Pacific Builders | — | (805) 660 7989 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Liberty Power And Lighting | Liberty Power And Lighting | — | (805) 210 6487 | Electricians | Simi Valley · Ventura County | — | — |
| Liermann Concrete Construction | Christopher John Liermann | — | (805) 732 6709 | Other | Simi Valley · Ventura County | — | — |
| Light & Power INC | Lili Sosa | — | (805) 676 1029 | Electricians | Ventura · Ventura County | — | — |
| Light In The Dark Electric | Roberto Carlos Munoz | — | (805) 276 7169 | Electricians | Santa Paula · Ventura County | — | — |
| Lightning Brothers Construction | Gregory Allen Hillman | — | (818) 879 1230 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Limasol Construction INC | Polli Savvas | — | (805) 577 8838 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |