| Lucas And Sons | Lucas And Sons | — | (530) 541 3190 | GC, remodel, ADU | So Lake Tahoe · El Dorado County | — | — |
| Lucky Oak Woodworking | Lucky Oak Woodworking | a_ciminelli@luckyoakwoodworking.com | (716) 471 7738 | Other | Pollock Pines · El Dorado County | — | — |
| Luevano's Painting | Luevano's Painting | — | (925) 352 9244 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| Luke Construction | Michael Wayne Sr Luke | — | (925) 829 3482 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Lupina Building And Remodeling | Lupina Building And Remodeling | — | (916) 997 8438 | GC, remodel, ADU | Camino · El Dorado County | — | — |
| Luxecon Group INC | Krajnic Ajdin | — | (408) 410 2535 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Lyle Home Solutions | Lyle Home Solutions | — | (916) 532 4837 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| M & M Services | Michael Thomas Brown | — | (530) 209 2965 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| M & S Tile Stone | M & S Tile Stone | — | (530) 409 5471 | Other | Shingle Springs · El Dorado County | — | — |
| M & T Refacing | Matthew Glenn Simmons | — | (916) 289 5109 | Other | El Dorado Hills · El Dorado County | — | — |
| M - Dean Construction | Michael Lee Dean | — | (916) 832 8960 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| M Charles Painting | M Charles Painting | — | (530) 919 4927 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| M D M Construction Services | Derek Arlyn Miller | — | (916) 801 7226 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| M D Schultze Construction | Michael David Schultze | — | (530) 306 1980 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| M G D Construction | Mason Gene Deruelle | — | (530) 919 4637 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| M G N General Engineering And Excavation | Mark Gregory Naus | — | (916) 425 5767 | Other | Placerville · El Dorado County | — | — |
| M H Construction | Michael Douglas Haupt | — | (530) 721 2539 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| M H Rogers Concrete | M H Rogers Concrete | — | (530) 919 5278 | Other | Placerville · El Dorado County | — | — |
| M J Mains Electric | Michael Jim Mains | — | (916) 730 6040 | Electricians | El Dorado Hills · El Dorado County | — | — |
| M J Pettibone Builders | M J Pettibone Builders | — | (530) 651 4965 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| M L Veimoen | M L Veimoen | — | (650) 222 3645 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| M S K Painting | M S K Painting | — | (530) 409 1967 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| M S Landscaping & Tree Services | Jose Miguel Santana | — | (539) 363 0945 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| M W Higgins Construction INC | Melvin Walker Higgins | — | (530) 306 8714 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Mac's Discount Glass | Mac's Discount Glass | info@macsdglass.com | (916) 597-2098 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| Macauley General Engineering | Richard Dean Macauley | — | (530) 622 2936 | Other | Placerville · El Dorado County | — | — |
| Macc Construction | Matthew Richard Warren | info@macc-construction.com | (530) 391 0255 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Macklin Electric LLC | Justin Donald Gill Macklin | electricmacklin@gmail.com | (530) 443 3550 | Electricians | Placerville · El Dorado County | — | — |
| Mad Skillz Construction | Antonio George Perez | — | (845) 222 1137 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Madison Custom Cabinets | Madison Custom Cabinets | admin@airodigital.com | (530) 306 3991 | Other | Placerville · El Dorado County | — | — |
| Madison General Engineering | Madison General Engineering | — | (925) 522 1102 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Mag Landscaping INC DBA Miguel A Garcia Landscaping | Miguel Angel Garcia | — | (530) 409 2527 | Windows, patio, painters | Placerville · El Dorado County | — | — |
| Magnus Construction | Eric Weld Magneson | — | (530) 902 4006 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Maier Excavation | Brett James Maier | — | (916) 792 8397 | Other | Placerville · El Dorado County | — | — |
| Main St Plumbing LLC | Matthew Eugene Beardsley | — | (530) 417 3074 | Other | Shingle Springs · El Dorado County | — | — |
| Majestic Painters | Amber Desiree Capurro | ncapurro@majesticpainters.com | (925) 336 0526 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| Majewski Construction | James Robert Majewski | — | (916) 715 5721 | GC, remodel, ADU | Rescue · El Dorado County | — | — |
| Makes Moves Tree Services | Ramsey Tarek Ackad | — | (530) 556 6448 | Tree | Cameron Park · El Dorado County | — | — |
| Mako Plumbing And Sewer LLC | Christopher Adam Stewart | — | (530) 313 8461 | Other | Rescue · El Dorado County | — | — |
| Malone Glass | Randal Alan Malone | — | (916) 910 4921 | Windows, patio, painters | Somerset · El Dorado County | — | — |