| Mark Domanic | Mark Domanic | — | (831) 915 4239 | Other | Pacific Grove · Monterey County | — | — |
| Mark Hale Painting & Decorating | Mark Hale Painting & Decorating | — | (831) 210 4210 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Mark Hellam's Plumbing | Mark Hellam's Plumbing | — | (831) 236 1860 | Other | Marina · Monterey County | — | — |
| Mark Madison | Mark Madison | — | (831) 277 4931 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Mark Nelson | Mark Nelson | — | (831) 320 0067 | Other | Salinas · Monterey County | — | — |
| Mark Russo Construction | Mark Anthony Russo | — | (831) 224 0752 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Mark Russo Construction INC | Mark Anthony Russo | — | (831) 384 3944 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Mark Vock Construction | Mark Andrew Vock | — | (805) 674 1578 | GC, remodel, ADU | Bradley · Monterey County | — | — |
| Mark's Custom Painting | Mark's Custom Painting | markspainting659832@gmail.com | (831) 915 9931 | Windows, patio, painters | Monterey · Monterey County | — | — |
| Marlar Construction INC | James Anthony Sr Marlar | — | (831) 402 0590 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Marquez Tile & Stone | Marquez Tile & Stone | — | (408) 768 5706 | Other | Aromas · Monterey County | — | — |
| Martin Arellano Landscaping | Martin Arellano Landscaping | — | (831) 601 0829 | Windows, patio, painters | Carmel · Monterey County | — | — |
| Martin C Dehmler Fine Cabinetmaking | Martin C Dehmler Fine Cabinetmaking | — | (831) 402 7458 | Other | Monterey · Monterey County | — | — |
| Martinez Construction | Martinez Jorge | — | (831) 229 1393 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Martinez Custom Homes INC | Elvis Enriquez Martinez | — | (831) 208 6102 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Martinez Integrity Construction INC | Martinez Tinajero Abraham | — | (831) 402 6647 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Martinus Construction | Eric Thaddeus Martinus | — | (831) 227 4871 | GC, remodel, ADU | Lockwood · Monterey County | — | — |
| Mas Construction Company INC | Mark Alan Stelzried | — | (831) 214 2965 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Maslyn's Electric | Joel Patrick Maslyn | — | (831) 594 6592 | Electricians | Salinas · Monterey County | — | — |
| Mason Drywall | Mason Drywall | — | (831) 594 3551 | Other | Salinas · Monterey County | — | — |
| Masonry Masters | Masonry Masters | — | (831) 500 1905 | Other | Salinas · Monterey County | — | — |
| Masterpiece Construction Incorporated | Vazquez Luz Cuauhtemoc | — | (831) 392 5454 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Masterpiece Finishes | Masterpiece Finishes | — | (831) 277 6202 | Windows, patio, painters | Del Rey Oaks · Monterey County | — | — |
| Masterpiece Tile & Marble | Masterpiece Tile & Marble | — | (831) 776 0211 | Other | Salinas · Monterey County | — | — |
| Masters Hardwood Flooring | Masters Hardwood Flooring | — | (831) 375 5111 | Other | Monterey · Monterey County | — | — |
| Masters Painting | Masters Painting | — | (831) 227 5345 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Masterwork Builders INC | Harlan Bradley | harlan@masterworkbuilders.com | (831) 229 8628 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| Mateo Construction | Carlos Alfredo Flores Perez | nayo1971@gmail.com | (831) 884 8435 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Matias Brothers Construction INC | Hernandez Rigoberto Matias | — | (831) 241 4716 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Mauricio's Construction INC | Lopez Artemio Mauricio | — | (831) 254 2576 | GC, remodel, ADU | Royal Oaks · Monterey County | — | — |
| Maverick Prime Builders LLC | Ortiz Jonathan | — | (831) 840 9709 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Mb Constructors INC | Daniel Iv Silverie | contacto@mbconstructors.com | (831) 402 7985 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Mba Construction | Johnny Geovanny Santiago Pablo | — | (831) 760 1862 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Mc Callon Construction | Nicholas Wade Mc Callon | — | (831) 915 0142 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Mc Coy Building INC | Michael Andrew Mc Coy | — | (831) 277 0508 | GC, remodel, ADU | Marina · Monterey County | — | — |
| Mc Daniel's Construction | Daniel Juan Cortes | — | (831) 261 1151 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Mc Donald Refrigeration INC | Robert David Alexander | — | (831) 394 7778 | HVAC | Sand City · Monterey County | — | — |
| Mc Eldowney And Sons INC | Brian Joseph Mc Eldowney | — | (831) 484 2222 | Other | Salinas · Monterey County | — | — |
| Mc Electric | Miguel Cruz Espinoza | — | (831) 974 3417 | Electricians | Salinas · Monterey County | — | — |
| Mc Elite Builders | Cardenas Juan Martinez | info@mcelitebuilders.com | (831) 261 8954 | GC, remodel, ADU | Salinas · Monterey County | — | — |