| Kristopher S Kusy | Kristopher S Kusy | — | (831) 484 1909 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Kryptonite Construction | Lloyd Victor Ferreira | — | (831) 214 0101 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Kuhlman's Plumbing | Kuhlman's Plumbing | — | (831) 373 1667 | Other | Pacific Grove · Monterey County | — | — |
| Kumar Jayanti Manibhai | Kumar Jayanti Manibhai | — | (831) 320 5481 | Electricians | Salinas · Monterey County | — | — |
| Kuntur Westend Painting | Bedolla Israel Moreno | — | (831) 917 8714 | Windows, patio, painters | Seaside · Monterey County | — | — |
| Kurt Loehr | Kurt Loehr | — | (831) 915 8558 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| L & E Painting | L & E Painting | — | (408) 505 5491 | Windows, patio, painters | Seaside · Monterey County | — | — |
| L B Flooring | Carlos Manuel Lomeli | — | (831) 588 9244 | Other | Salinas · Monterey County | — | — |
| L F Concrete INC | Luis Navarro Flores | — | (831) 320 0073 | Other | Salinas · Monterey County | — | — |
| L G Electric | Luis Emilio Gonzalez | lgelectric@lgelectric.com | (831) 315 0529 | Electricians | Soledad · Monterey County | — | — |
| L G M Pump Service | Ruiz Luis | — | (831) 970 9847 | Other | Gonzales · Monterey County | — | — |
| L H E Landscaping | L H E Landscaping | — | (831) 595 5518 | Windows, patio, painters | Salinas · Monterey County | — | — |
| L R Builders | L R Builders | — | (831) 262 6015 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| L S & G Electrical Contractors INC | Luis Guerrero Sanchez | — | (831) 210 9256 | Electricians | Salinas · Monterey County | — | — |
| L&e Plastering LLC | Trujillo Erik Cabrera | — | (831) 760 9118 | Other | Marina · Monterey County | — | — |
| La Sirenita Tree Service | Felipe De Jesus Olvera | — | (831) 229 0269 | Tree | Marina · Monterey County | — | — |
| La Tourette Construction | Jeffrey Edward La Tourette | — | (831) 776 2691 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| Labrador Construction Company | Robert Glen Cockrell | — | (831) 262 7411 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| Laflan Construction | Jeff Wade Laflan | — | (831) 731 0526 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Lagana Tile Co | Giovanni Salvatore Lagana | — | (831) 277 4935 | Other | Monterey · Monterey County | — | — |
| Lance Holt Construction INC | Lance Guthrie Holt | — | (831) 236 0674 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Landeros Concrete | Landeros Concrete | — | (831) 905 7194 | Other | Salinas · Monterey County | — | — |
| Landmark Plumbing INC | Nicholas Matthew Torrente | — | (831) 998 1787 | Other | Salinas · Monterey County | — | — |
| Lara Electric | Rodolfo Dominguez Lara | — | (831) 235 6891 | Electricians | Greenfield · Monterey County | — | — |
| Larick Construction INC | Tyler Luiz Larick | — | (831) 595 5581 | GC, remodel, ADU | Chualar · Monterey County | — | — |
| Larry B Kerkhoff | Larry B Kerkhoff | — | (831) 601 6603 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Larry Blevins Construction | Larry Allan Blevins | — | (831) 262 0588 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Larry Martin Landscapes | Larry Martin Landscapes | — | (831) 915 1274 | Windows, patio, painters | Carmel · Monterey County | — | — |
| Larry Munro Construction | Larry Kelly Munro | — | (805) 472 2254 | GC, remodel, ADU | Bradley · Monterey County | — | — |
| Larry Showalter | Larry Showalter | — | (231) 622 2080 | Other | Salinas · Monterey County | — | — |
| Larry Tate | Larry Tate | sebastian@aldusleaf.org | (831) 633 8283 | Other | Marina · Monterey County | — | — |
| Larry Weingarten | Larry Weingarten | — | (831) 402 0490 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Latham Building Collective LLC | Michael Allen Latham | — | (831) 268 4848 | GC, remodel, ADU | Monterey · Monterey County | — | — |
| Lbc Construction INC | Contreras Leonel Becerra | — | (831) 578 7112 | GC, remodel, ADU | Soledad · Monterey County | — | — |
| Lc Painting | Lc Painting | — | (831) 998 0696 | Windows, patio, painters | Greenfield · Monterey County | — | — |
| Lea Construction | Espinola Espinola Luis | — | (831) 262 7736 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Leavenworth Electric INC | Scott Sheppard Leavenworth | — | (831) 649 8554 | Electricians | Monterey · Monterey County | — | — |
| Lecce Electric | Nicholas Antonio Lecce | — | (831) 236 6559 | Electricians | Seaside · Monterey County | — | — |
| Lee Construction Co | Michael Alan Lee | — | (831) 375 3303 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| Legacy Painting And Renovating INC | Castellanos-lopez Ernesto | info@legacypaintingrenovating.com | (831) 917 0047 | GC, remodel, ADU | Seaside · Monterey County | — | — |