| Limitless Construction INC | Benjamin Barraza | — | (805) 746 1270 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Limitless Painting & Fine Finishes | Trace Jeffrey Tierstein | — | (805) 405 9034 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Linarez Roofing | Javier Jr Linarez | — | (805) 616 8697 | Other roofers | Oxnard · Ventura County | — | — |
| Lincoln James Construction INC | Lincoln Tyler James | — | (805) 794 4969 | GC, remodel, ADU | Somis · Ventura County | — | — |
| Lineas Construction | Magdiel Filadelfo Reyes | — | (805) 814 9481 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Linke Coastal Construction LLC | Nathan Christian Mehring | — | (310) 924 1361 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Lion Concrete INC | Oscar Perez Esparza | info@lionconcrete.com | (805) 279 8573 | Other | Simi Valley · Ventura County | — | — |
| Lion's Den Tile | Lion's Den Tile | — | (805) 824 3235 | Other | Oxnard · Ventura County | — | — |
| Liquid Force Pools | Liquid Force Pools | — | (805) 857 0373 | Pool | Newbury Park · Ventura County | — | — |
| Lisa Marie Eklund | Lisa Marie Eklund | — | (805) 290 0691 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Litchfield Landscaping | Howard Quinn Herron | — | (818) 781 0255 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Litman Builders LLC | Dennis Bryan Ii Litman | — | (805) 501 4070 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Lito's Painting | Lito's Painting | — | (805) 832 2424 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Little Buddy Builders INC | Shawn William Martinez | — | (805) 906 9647 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Little Foot Construction INC | Louis Leland Pagano | — | (805) 491 2759 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Live Oak Construction And Development INC | Brent Thomas Montoya | — | (805) 319 9189 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Living Colors INC | Raymond Neil Sponsler | — | (818) 893 5068 | Windows, patio, painters | Moorpark · Ventura County | — | — |
| Livingston Construction INC | Peter James Livingston | — | (805) 644 9390 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Ljh INC | Paul Donald Pridmore | — | (805) 482 3125 | Other | Camarillo · Ventura County | — | — |
| Ll Cabinets INC | Luis Eduardo Luque | — | (805) 760 4435 | Other | Oxnard · Ventura County | — | — |
| Lloyd's Painting | Lloyd's Painting | — | (801) 949 5947 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Lloyd's Plumbing INC | Ryan Lloyd Engelker | — | (805) 495 4525 | Other | Newbury Park · Ventura County | — | — |
| Lns Tree Service INC | Jorge Luis Elenes | — | (805) 889 5010 | Tree | Oxnard · Ventura County | — | — |
| Local Lady Plumbing | Local Lady Plumbing | — | (818) 419 7703 | Other | Santa Paula · Ventura County | — | — |
| Local Roofs LLC | Branden Price Dickey | — | (805) 495 4506 | Other roofers | Newbury Park · Ventura County | — | — |
| Lockhart Construction & Design | Brian Kelley Lockhart | — | (805) 298 2452 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Locking Mailboxes | Locking Mailboxes | — | (530) 872 4624 | Other | Camarillo · Ventura County | — | — |
| Lockwood Brothers Construction INC | Eric Steven Lockwood | — | (805) 857 9648 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Loe Construction INC | Cherry Lou Loe | — | (805) 646 9669 | Other | Ojai · Ventura County | — | — |
| Logan Construction | John Franklin Logan | astigma@astigmatic.com | (805) 290 5184 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Logan Gould Cabinetry INC | Logan Todd Gould | hello@logangouldcabinetry.com | (805) 798 7381 | Other | Ojai · Ventura County | — | — |
| Lombardo Paint | Lombardo Paint | — | (805) 217 4766 | Windows, patio, painters | Moorpark · Ventura County | — | — |
| Longitude 123 INC | Mark Ivan Steffy | — | (805) 649 9364 | Other | Ventura · Ventura County | — | — |
| Longlife Construction INC | Michael Blaine Longmore | — | (805) 389 3065 | Other roofers | Camarillo · Ventura County | — | — |
| Lonnie Morgan Construction | Lonnie Patrick Morgan | — | (805) 499 9111 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Look Stairchairs | Marilyn Joyce Look | — | (805) 526 1402 | Other | Simi Valley · Ventura County | — | — |
| Lopeti Apakasi Vaka | Lopeti Apakasi Vaka | — | (805) 908 1924 | Other | Thousand Oaks · Ventura County | — | — |
| Lopez Custom Construction | Anibal Martinez Lopez | ojaianibal@gmail.com | (805) 421 7428 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Lopez Plumbing | Lopez Plumbing | — | (805) 279 9126 | Other | Simi Valley · Ventura County | — | — |
| Lopez Tree Trimming INC | Carlos Luis Vasquez | — | (805) 793 2542 | Tree | Oxnard · Ventura County | — | — |