| Mike Fleming Construction | Michael Ross Fleming | — | (805) 748 7200 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Mike Hall Masonry | Mike Hall Masonry | — | (805) 464 8536 | Other | Paso Robles · San Luis Obispo County | — | — |
| Mike Lucido Plumbing | Mike Lucido Plumbing | — | (970) 531 7179 | Other | Cambria · San Luis Obispo County | — | — |
| Mike Mitchell Construction INC | Michael Steven Mitchell | — | (805) 896 8247 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Mike Of All Trades | Mike Of All Trades | — | (805) 748 9330 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Mike Ratkay Construction | Michael John Ratkay | — | (805) 748 5734 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Mike Rice - Forest Yard & Garden | Michael Russell Rice | — | (805) 927 3310 | Windows, patio, painters | Cambria · San Luis Obispo County | — | — |
| Mike Roach Electric | Michael Dean Roach | — | (805) 459 6696 | Electricians | Paso Robles · San Luis Obispo County | — | — |
| Mike's Majestic Flooring | Mike's Majestic Flooring | — | (805) 712 1154 | Other | Paso Robles · San Luis Obispo County | — | — |
| Mike's Quality Pool & Spa Repair | Michael Joseph Roy | — | (805) 458 1344 | Pool | Nipomo · San Luis Obispo County | — | — |
| Milburn & Sons | Milburn & Sons | — | (805) 748 3827 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Miller 4 INC DBA Rick's Tree Service | Craig Charles Miller | — | (805) 431 4345 | Tree | Nipomo · San Luis Obispo County | — | — |
| Miller Drilling Co | Eric Shawn Thomas | — | (805) 434 1888 | Other | Templeton · San Luis Obispo County | — | — |
| Milne Electric | Kevin Paul Milne | — | (805) 704 3257 | Electricians | Los Osos · San Luis Obispo County | — | — |
| Miltimore Tile & Stone INC | Ronald Glen Miltimore | — | (805) 348 1191 | Other | Nipomo · San Luis Obispo County | — | — |
| Mina's Lawn And Landscape | Mina's Lawn And Landscape | — | (805) 481 6462 | Windows, patio, painters | Arroyo Grande · San Luis Obispo County | — | — |
| Ming Painting | Ming Painting | — | (808) 345 6680 | Windows, patio, painters | Arroyo Grande · San Luis Obispo County | — | — |
| Miranda Construction | Fernando Michael Miranda | — | (805) 441 2383 | GC, remodel, ADU | Grover Beach · San Luis Obispo County | — | — |
| Mission Hills Landscape | Mission Hills Landscape | — | (805) 610 5351 | Windows, patio, painters | Atascadero · San Luis Obispo County | — | — |
| Mission Kitchens & Construction | David Irvin Goebel | — | (805) 471 0122 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Mission Masonry | Mission Masonry | — | (805) 235 1535 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Mission Pacifica Landscape Development | Mission Pacifica Landscape Development | — | (805) 481 1027 | Windows, patio, painters | Pismo Beach · San Luis Obispo County | — | — |
| Mission Plastering | Mission Plastering | — | (805) 610 8128 | Other | Paso Robles · San Luis Obispo County | — | — |
| Mission Plumbing | Mission Plumbing | interested@domainmarket.com | (805) 755 3100 | Other | Atascadero · San Luis Obispo County | — | — |
| Mission Pool Services | James Brown Iii Riner | — | (805) 610 3400 | Pool | Paso Robles · San Luis Obispo County | — | — |
| Mitch Dey Plumbing LLC | Mitchell Adam Dey | — | (805) 835 1402 | Other | Paso Robles · San Luis Obispo County | — | — |
| Mitch Frederick Sealcoating And Paving | Mitch Frederick Sealcoating And Paving | — | (805) 466 5234 | Other | Atascadero · San Luis Obispo County | — | — |
| Mitch Madrid Landscaping | Mitchell Joaquin Madrid | — | (805) 440 3161 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| Mitch Toevs Welding | Mitch Toevs Welding | — | (805) 550 2727 | Other | Paso Robles · San Luis Obispo County | — | — |
| Mitchell & Power Heating & Sheet Metal | Jeffrey Christopher Power | — | (805) 489 1044 | HVAC | Arroyo Grande · San Luis Obispo County | — | — |
| Mjw Painting | Mjw Painting | mjwpaints@gmail.com | (805) 305 1108 | Windows, patio, painters | Grover Beach · San Luis Obispo County | — | — |
| Mkb Energy Solutions INC | James Edwin Thomas | — | (661) 709 6766 | Electricians | Pismo Beach · San Luis Obispo County | — | — |
| Ml Gates And Entry | Ml Gates And Entry | — | (805) 305 4890 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Mlh Construction | Matt Lewis Herndon | — | (805) 674 2138 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Modern Carpet Service | Jim Edward Henson | — | (805) 550 4336 | Other | Los Osos · San Luis Obispo County | — | — |
| Mojoe Termite Control | Mojoe Termite Control | — | (805) 548-8990 | Pest, tile roofs | Grover Beach · San Luis Obispo County | — | — |
| Molnar Construction & Development INC | Robin Lynn Molnar | — | (805) 235 2295 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Monarch Air Conditioning Heating & Electrical - Slo | Monarch Air Conditioning Heating & Electrical - Slo | — | (805) 635-2105 | HVAC | San Luis Obispo · San Luis Obispo County | — | — |
| Monarch Home Services | Monarch Home Services | cc@monarchhomeexperts.com | (833) 305-0631 | HVAC | San Luis Obispo · San Luis Obispo County | — | — |
| Monarch Window INC | Daniel Cline Ferreira | — | (805) 242 2059 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |