| Mc Remodeling | Manilo Michel Gonzalez Corradi | — | (415) 481 2490 | GC, remodel, ADU | Rough And Ready · Nevada County | — | — |
| Mcgee Plumbing Company | Michael James Mcgee | — | (530) 802 6965 | Other | Nevada City · Nevada County | — | — |
| Mcintosh Custom Construction INC | Chay John Mcintosh | — | (530) 414 5151 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Mckenna Electric | Richard Hugh Mc Kenna | — | (530) 789 1887 | Electricians | Grass Valley · Nevada County | — | — |
| Mcmahon Construction INC | James Vincent Mc Mahon | — | (916) 337 4477 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Md Construction & Development | Michael Cory Nethersole | — | (530) 550 0814 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Meadowlark Construction | William Michael Atkinson | — | (530) 913 7848 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Mec Builds LLC | Matthew Evans Gross | — | (530) 210 8206 | Other roofers | Grass Valley · Nevada County | — | — |
| Media Scapes | Media Scapes | — | (530) 414 1817 | Other | Truckee · Nevada County | — | — |
| Meng Construction | Gerald Paul Meng | — | (530) 559 1125 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Meraz Home Builders INC | Juan Cruz Meraz Reyes | — | (530) 448 6850 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Mertl Construction | Frederick Randy Mertl | — | (530) 386 3513 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Meyer Concrete Pumping INC | Dirk Tyson Meyer | — | (530) 263 2759 | Other | Cedar Ridge · Nevada County | — | — |
| Meyer Const | Meyer Const | — | (530) 913 3200 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Meyer Contracting | Daniel Jonathan Meyer | — | (530) 368 2330 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Michael Brian Roberts Construction | Michael Brian Roberts | — | (530) 386 1823 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Michael Brown Construction | Michael Alan Brown | michael@michaelbrownconstruction.com | (530) 272 1192 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Michael F Bosco INC | Michael Ford Bosco | — | (415) 209 9470 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Michael George Johnson | Michael George Johnson | — | (530) 587 4900 | Other | Truckee · Nevada County | — | — |
| Michael J Holland | Michael J Holland | — | (530) 412 0513 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Michael Jurado Plumbing INC | Michael Anthony Jurado | — | (415) 740 2299 | Other | Grass Valley · Nevada County | — | — |
| Michael Mottarella | Michael Mottarella | — | (530) 263 6160 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Michael Rutter Construction | Michael Gerald Rutter | — | (530) 205 9324 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Mighty Mike Plumbing INC | Sherille Marquez Varela | info@mightymikeplumbing.com | (530) 414 5025 | Other | Truckee · Nevada County | — | — |
| Miguel Vallejo Construction | Vallejo Miguel | — | (530) 414 1166 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Mike Clark Construction | Michael Patrick Clark | — | (530) 913 4289 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Mike Gardner's Oasis Pools | Mike Gardner's Oasis Pools | — | (530) 559 4739 | Pool | Grass Valley · Nevada County | — | — |
| Mike Mason Electric | Michael Steven Mason | — | (530) 277 7534 | Electricians | Penn Valley · Nevada County | — | — |
| Mike Mc Leran Construction | Michael Hugh Mcleran | — | (530) 263 6770 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Mike Smith Construction | Michael James Smith | — | (530) 210 3502 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Mile High Gardening & Landscape INC | Wendy Lee Cena | — | (530) 477 0557 | Windows, patio, painters | Nevada City · Nevada County | — | — |
| Miles Masonry | Miles Masonry | — | (530) 559 0789 | Other | Grass Valley · Nevada County | — | — |
| Milhous Tractor Service | James William Milhous | — | (530) 277 1596 | Other | Grass Valley · Nevada County | — | — |
| Miller's Quality Drywall | Miller's Quality Drywall | — | (530) 575 8763 | Other | Grass Valley · Nevada County | — | — |
| Missick Construction | Missick Joseph | — | (530) 386 3050 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Mitch Gobert | Mitch Gobert | — | (530) 277 5106 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Mitch Ryan | Mitch Ryan | — | (949) 933 7338 | Other | Penn Valley · Nevada County | — | — |
| Mitch's Drywall INC | Mitchel Kakanemaikai Fitzhugh | — | (530) 273 3038 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Mitchell T Clarin | Mitchell T Clarin | — | (530) 308 9124 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Mjm Electric | Martin Joseph Mosqueda | — | (408) 607 2572 | Electricians | Grass Valley · Nevada County | — | — |