| Mike Fridley Builder LLC | Michael Ross Fridley | — | (530) 545 2646 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Mike Hampel | Mike Hampel | — | (650) 400 3854 | Other | Placerville · El Dorado County | — | — |
| Mike Irish Construction | Timothy Michael Irish | — | (530) 577 8248 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Mike Nitzen Construction | Michael Lee Nitzen | — | (916) 719 6419 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Mike Richmond | Mike Richmond | — | (916) 921 2460 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| Mike Rogers Masonry | Mike Rogers Masonry | — | (530) 919 0546 | Other | Placerville · El Dorado County | — | — |
| Mike Roth | Mike Roth | — | (916) 396 7411 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Mike Wick Construction | Michael Bryant Wick | — | (916) 540 6971 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Mike's Landscaping | Mike's Landscaping | — | (916) 869 2928 | Windows, patio, painters | Rescue · El Dorado County | — | — |
| Mile Marjanovich Jr | Mile Marjanovich Jr | — | (530) 677 7799 | Other | El Dorado Hills · El Dorado County | — | — |
| Milestone Tile | Milestone Tile | — | (510) 919 8323 | Other | Cameron Park · El Dorado County | — | — |
| Minyard's Paving & Grading | Minyard's Paving & Grading | — | (530) 957 0319 | Other | Diamond Springs · El Dorado County | — | — |
| Miranda Construction | Jon David Miranda | — | (916) 416 7449 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Miranda Construction | Frank Alpheus Jr Miranda | — | (530) 306 6693 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Mission Critical Specialists INC | Daniel Vincent Gallagher | — | (530) 621 4785 | HVAC | Diamond Springs · El Dorado County | — | — |
| Mission I T Solutions | Abraham Tobias Hanes | — | (209) 257 4620 | Other | El Dorado Hills · El Dorado County | — | — |
| Misty Mountain Landscape Services | Craig Robert Tarzia | — | (530) 644 0500 | Windows, patio, painters | Camino · El Dorado County | — | — |
| Mitchell Custom Construction | Scott Paul Mitchell | — | (530) 558 1018 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Mitchell's Painting Enterprise | Mitchell's Painting Enterprise | — | (530) 306 7792 | Windows, patio, painters | Pollock Pines · El Dorado County | — | — |
| Mj Pools & Spas | Michael John Janssen | — | (530) 672 0322 | Pool | Shingle Springs · El Dorado County | — | — |
| Mk Custom Construction INC | Matthew George Kahle | — | (916) 471 9131 | GC, remodel, ADU | Somerset · El Dorado County | — | — |
| Mks Construction | Matthew William Scharffenberg | — | (916) 521 9122 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Mlm Landscape Management | Mlm Landscape Management | — | (916) 612 9773 | Windows, patio, painters | Twin Bridges · El Dorado County | — | — |
| Modern Builders Supply Inc. | Modern Builders Supply Inc. | — | (760) 591-4570 | GC, remodel, ADU | San Marcos · El Dorado County | — | — |
| Modern Classics | Modern Classics | hello@modernclassics.com | (360) 733-6401 | GC, remodel, ADU | Rescue · El Dorado County | — | — |
| Modio | Steve Louis Eckland | — | (650) 544 0141 | GC, remodel, ADU | Rescue · El Dorado County | — | — |
| Mogul Welding | Mogul Welding | — | (916) 475 4369 | Other | Placerville · El Dorado County | — | — |
| Moore Concrete Company | Issac Benjamin Moore | info@moore-concrete.com | (916) 747 0096 | Other | Placerville · El Dorado County | — | — |
| Moore Electricity | Moore Electricity | — | (916) 969 9821 | Electricians | Placerville · El Dorado County | — | — |
| Moore Heating And Air Conditioning | Moore Heating And Air Conditioning | — | (916) 705 8482 | HVAC | Cameron Park · El Dorado County | — | — |
| Morgan Precision Roofing | William Jesse Morgan | — | (530) 417 6582 | Other roofers | Placerville · El Dorado County | — | — |
| Morris Builders INC | Nathaniel Neal Morris | — | (530) 306 1172 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Morris Construction | Brian Christopher Morris | — | (916) 997 0072 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| Morrison Construction Co | Cory Matthew Morrison | — | (510) 303 5402 | GC, remodel, ADU | Somerset · El Dorado County | — | — |
| Morton Tree Maintenance | Morton Tree Maintenance | — | (530) 759 9788 | Other | Placerville · El Dorado County | — | — |
| Mother Lode Concrete Coatings | Troy Alden Taber | — | (530) 333 3570 | Other | Camino · El Dorado County | — | — |
| Moule's Glass Of El Dorado | Moule's Glass Of El Dorado | — | (530) 957 0440 | Windows, patio, painters | El Dorado · El Dorado County | — | — |
| Moulin Remington Construction | Remington Merley Moulin | — | (530) 409 3118 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| Mountain Aire Systems | Mountain Aire Systems | — | (530) 333 2020 | HVAC | Georgetown · El Dorado County | — | — |
| Mountain Blue Construction INC | Timothy John Blummer | info@mountainblueconstruction.com | (775) 450 9002 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |