| Larry Emerson | Larry Emerson | — | (213) 215 8238 | GC, remodel, ADU | Port Hueneme · Ventura County | — | — |
| Larry Hershey | Larry Hershey | — | (805) 796 5101 | Electricians | Thousand Oaks · Ventura County | — | — |
| Laser Leveling Service INC | Brenda Lee Padgett | lazrlvl@aol.com | (805) 340-9121 | Other | Santa Paula · Ventura County | — | — |
| Last Plumber INC | Michael Raymond Charpentier | — | (805) 647 6498 | Other | Ventura · Ventura County | — | — |
| Laura Kay Dunbar INC DBA The Akeena Group | Laura Kay Dunbar | — | (805) 558 1223 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Laurens J Byl DBA Build Works | Build Works | — | (805) 644 3533 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Lawnscapes | Alfonso Medina Lopez | — | (805) 207 8733 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Lawrence J Milo-grob | Lawrence J Milo-grob | — | (805) 501 1969 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Lawson Construction & Maintenance Services | Jonathan Wayne Lawson | — | (805) 583 4937 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Layton Drywall | Layton Drywall | — | (805) 570 4455 | Other | Moorpark · Ventura County | — | — |
| Lazcano's Masonry & Concrete INC | Lazcano Juan | — | (805) 301 0017 | Other | Somis · Ventura County | — | — |
| Lcd Developement | Lcd Developement | — | (310) 880 7023 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Ld Plumbing Limited Liability Company | Larry Francis Russell | — | (818) 792 2488 | Other | Simi Valley · Ventura County | — | — |
| Ldl General Contractors INC | Lance Daniel Lentz | — | (818) 879 0777 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Lds General Construction LLC | De Santiago Lleobani | — | (805) 827 5396 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Le Sueur Construction | David Simon Le Sueur | — | (805) 509 1925 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Lead Builders INC | Ronald Lee Galaviz | — | (805) 498 9903 | Electricians | Thousand Oaks · Ventura County | — | — |
| Lead Saw Tree Service | Paredes Christopher | — | (805) 210 0011 | Tree | Simi Valley · Ventura County | — | — |
| Leavens Landscape Construction | Leavens Cam Landscape | — | (805) 469 0717 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Leddy Power Systems INC | Curtis Michael Leddy | — | (805) 552 4221 | Electricians | Moorpark · Ventura County | — | — |
| Ledferd Enterprises Construction & Maintenance | William Joseph Ledferd | — | (805) 443 1439 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Ledford Construction | Johnny Ray Ledford | — | (805) 300 0843 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Lee Enterprises And Management Corporation | Luis Engelbert Enriquez | — | (818) 223 1125 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Lee Home Painting INC | Chong Ok Lee | — | (818) 489 5538 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Lee's Plumbing & Electric | Gyung Kuen Lee | — | (818) 366 6814 | Electricians | Simi Valley · Ventura County | — | — |
| Lee's Welding | Lee's Welding | — | (805) 990 8699 | Other | Simi Valley · Ventura County | — | — |
| Leedy Const | Leedy Const | — | (805) 850 9894 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Leeward Tile INC DBA Dolphin Tile | Thomas Joseph Iii Mc Keown | — | (805) 642 3349 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Legacy Construction Services | Hector Adrian Caldera | — | (818) 540 5211 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Legacy Demolition And Earthwork LLC | Padilla Armando | — | (805) 387 8440 | Other | Simi Valley · Ventura County | — | — |
| Legacy Home Builders INC | Christopher Robert Bowen | — | (888) 925 3422 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Legacy Pool And Spa | Legacy Pool And Spa | — | (805) 797 2661 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Legacy Residential Builder | Legacy Residential Builder | — | (818) 495 5130 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Legacy Waterproofing & Coatings | Hernandez Rubio Jesus | — | (805) 766 3277 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Legato Enterprises | Niven Mark | — | (310) 429 8053 | Other | Oxnard · Ventura County | — | — |
| Legend Rooter Plumbing INC | Daniel Lopez | — | (805) 258 8841 | Other | Ventura · Ventura County | — | — |
| Legendary Glass | Legendary Glass | — | (805) 409 4567 | Windows, patio, painters | Moorpark · Ventura County | — | — |
| Legendary Landscape Construction | Matthew Kevin Estrada | — | (805) 338 6343 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Legendary Metal Works INC | Luis Enrique Hernandez | legendarymetalworksinc@gmail.com | (805) 616 5003 | Other | Oxnard · Ventura County | — | — |
| Legends General Construction | De Los Santos Robert | — | (805) 377 2939 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |