| Ksr Electric | Kevin Scott Rohr | krohr@ksrelectric.com | (916) 990 5306 | Electricians | El Dorado Hills · El Dorado County | — | — |
| Ktm Construction | Kyle Timothy Morris | — | (916) 770 0846 | GC, remodel, ADU | Pollock Pines · El Dorado County | — | — |
| Kw Landscaping LLC | Kyle David Wiley | — | (916) 281 8927 | Windows, patio, painters | Shingle Springs · El Dorado County | — | — |
| L B Construction Company | Larry Gene Button | — | (530) 409 5701 | GC, remodel, ADU | Diamond Springs · El Dorado County | — | — |
| L J S Painting | L J S Painting | — | (916) 662 2986 | Windows, patio, painters | Cameron Park · El Dorado County | — | — |
| La Colina Landscaping | La Colina Landscaping | sebastian@aldusleaf.org | (530) 409 3485 | Windows, patio, painters | Cameron Park · El Dorado County | — | — |
| La Villa Floors | La Villa Floors | daniel@lavillafloors.com | (916) 870 4712 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| Labeans Living Dream Construction | Douglas Keith Labean | — | (530) 748 8225 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Ladybug Lawn - Landscape Care & Repair | John Alan Day | — | (916) 941 9600 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| Lake Alarms | Lake Alarms | — | (530) 577 4367 | Electricians | South Lake Tahoe · El Dorado County | — | — |
| Lake Level Construction LLC | Jeffrey Alan O'neil | — | (530) 318 9137 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Lake Mountain Electric Services INC | Jose Enrique Avina Ramirez | — | (530) 318 1101 | Electricians | South Lake Tahoe · El Dorado County | — | — |
| Lake Ridge Roofing INC | Brandon Joseph Lee | — | (530) 957 4497 | Other roofers | Pollock Pines · El Dorado County | — | — |
| Lake Tahoe Construction INC | Matthew Allen Ward | — | (530) 721 7816 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Lake Tahoe Construction Services | Kenneth James Fiorane | — | (530) 307 3515 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Lake Tahoe Electrical Services | Ross Thomas Radford | — | (530) 444 2050 | Electricians | South Lake Tahoe · El Dorado County | — | — |
| Lake Tahoe Glass | Garett Keith Chambers | — | (530) 544 5884 | Windows, patio, painters | South Lake Tahoe · El Dorado County | — | — |
| Lake Tahoe Plumbing & Heating INC | Ralph Leroy Kosmides | — | (530) 577 6200 | HVAC | South Lake Tahoe · El Dorado County | — | — |
| Lakehills Mechanical LLC | Benjamin Michael Souders | — | (916) 308 7693 | HVAC | El Dorado Hills · El Dorado County | — | — |
| Lakeside Landscape & Developement | Jacob Stefano Parker | — | (530) 208 7825 | Windows, patio, painters | South Lake Tahoe · El Dorado County | — | — |
| Lakestar Development | Lakestar Development | — | (530) 318 1662 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Lakeview Construction Group LLC | Jesse Adam Boscow | jesseboscow@yahoo.com | (530) 622 8769 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Lambert Excavating | Lambert Excavating | — | (916) 508 6585 | Other | Cameron Park · El Dorado County | — | — |
| Lancaster Plumbing Co | Randall Wayne Lancaster | — | (530) 305 1895 | Other | Somerset · El Dorado County | — | — |
| Lanziniart | Brian Jeffrey Lanzini | — | (530) 391 8594 | GC, remodel, ADU | Somerset · El Dorado County | — | — |
| Larry Abel Excavating | Larry Abel Excavating | — | (916) 761 6132 | Other | Diamond Springs · El Dorado County | — | — |
| Larry Jackson Construction | Larry John Jackson | — | (530) 577 5647 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Larry Jenkins Trucking INC | Larry Layne Jenkins | — | (530) 626 0240 | Other | Placerville · El Dorado County | — | — |
| Larry Velasco | Larry Velasco | — | (707) 245 1437 | Electricians | El Dorado · El Dorado County | — | — |
| Larsen Painting | Larsen Painting | — | (530) 409 3717 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| Larson Construction | Larson Forrest | — | (530) 333 3101 | GC, remodel, ADU | Georgetown · El Dorado County | — | — |
| Laser Grading INC | Peter Roy Elvick | — | (916) 213 4000 | Other | Cameron Park · El Dorado County | — | — |
| Lawrence Mc Donough Excavation | Lawrence Mc Donough Excavation | — | (530) 577 5469 | Other | Tahoe Paradise · El Dorado County | — | — |
| Lawrence Varela DBA Camerado Glass | Lawrence Varela DBA Camerado Glass | cameradoglass@att.net | (530) 677 5781 | Windows, patio, painters | Cameron Park · El Dorado County | — | — |
| Lcm Concrete Construction Company | Luis Ramon Macias-rosales | — | (916) 533 6724 | Other | Cool · El Dorado County | — | — |
| Leal's Construction And Maintenance | David Tierney Leal | — | (530) 577 7898 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Lee Construction | Justin Nicholas Lee | — | (916) 910 8671 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Lee Luxury Homes | Raymond Fredrick Lee | ddtully@pacbell.net | (916) 225 3131 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Lee's Heating & Air | Lee's Heating & Air | — | (916) 202 1332 | HVAC | Placerville · El Dorado County | — | — |
| Legacy Air Hvacr LLC | Love Kaushal | — | (916) 259 3337 | HVAC | El Dorado Hills · El Dorado County | — | — |