| Monarch Framing Construction INC | Manuel Mendez Morales | — | (805) 264 3135 | Other | Santa Maria · Santa Barbara County | — | — |
| Monroy Detail Painting | Monroy Detail Painting | — | (805) 636 7754 | Windows, patio, painters | Goleta · Santa Barbara County | — | — |
| Montecito Building INC | Nora Betz Lieber | pl@montecitobuilding.com | (805) 926 5557 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Montecito Construction INC | Ryan Todd Milhon | admin@montecitoconstruction.com | (805) 892 7001 | GC, remodel, ADU | Montecito · Santa Barbara County | — | — |
| Montecito Custom Builders INC | Patrick Leo Mc Mahon | — | (805) 896 1529 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Montecito Electric | Maxwell Leonard Hailstone | — | (805) 969 1575 | Electricians | Santa Barbara · Santa Barbara County | — | — |
| Montecito Painting | Montecito Painting | — | (805) 455 7763 | Windows, patio, painters | Montecito · Santa Barbara County | — | — |
| Montecito Plumbing LLC | Paul Jonathan Dohm | — | (805) 450 6255 | Other | Santa Barbara · Santa Barbara County | — | — |
| Montecito Tree Care | Ronald Wayne Gosnell | ronniegosnell@gmail.com | (805) 969 9069 | Tree | Santa Barbara · Santa Barbara County | — | — |
| Monteverde Landscapes INC | Sandor F Hodosy | — | (805) 895 1416 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Montie Wayne Sheet Metal & Heating INC | Wayne Montie | — | (805) 968 2215 | HVAC | Goleta · Santa Barbara County | — | — |
| Moore And Sons General Contracting | Phillip Warren Moore | — | (805) 937 6215 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Moore Contracting Concepts INC | Nicholas Charles Moore | — | (805) 886 5485 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Moore Electric | Greg Paul Moore | interested@domainmarket.com | (805) 685 3299 | Electricians | Goleta · Santa Barbara County | — | — |
| Mora Concrete | Mora Concrete | — | (805) 895 4329 | Other | Santa Barbara · Santa Barbara County | — | — |
| Morales Coastal Construction | Dennis Michael Morales | — | (805) 264 2974 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Morales Electric INC | Juan Pablo Morales Lozano | — | (805) 450 4507 | Electricians | Santa Barbara · Santa Barbara County | — | — |
| Morales Onate Gonzalo | Morales Onate Gonzalo | — | (805) 636 1783 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Moran Electric | Eric Scott Moran | — | (805) 895 3559 | Electricians | Santa Maria · Santa Barbara County | — | — |
| Moreland Thompson INC | Timothy Alan Moreland | marie@morelandthompson.com | (805) 925 2271 | Electricians | Orcutt · Santa Barbara County | — | — |
| Morgan Electric INC | Morgan O'neil Livin Van Hook | — | (805) 452 7008 | Electricians | Montecito · Santa Barbara County | — | — |
| Moris Godoy Painting Company | Moris Haroldo Godoy | — | (805) 455 2217 | Windows, patio, painters | Lompoc · Santa Barbara County | — | — |
| Morquecho's Detail Plastering | Morquecho's Detail Plastering | — | (805) 722 5128 | Other | Santa Barbara · Santa Barbara County | — | — |
| Morse Stone And Masonry | Morse Stone And Masonry | — | (805) 403 1967 | Other | Santa Barbara · Santa Barbara County | — | — |
| Mortensen Mechanical | Mortensen Mechanical | — | (805) 478 4559 | HVAC | Orcutt · Santa Barbara County | — | — |
| Mose Fine Carpentry INC | Jon Harold Moseley | — | (805) 886 2388 | Other | Santa Barbara · Santa Barbara County | — | — |
| Moseley David | Moseley David | — | (805) 448 8969 | GC, remodel, ADU | Summerland · Santa Barbara County | — | — |
| Mosher Landscape | Mosher Landscape | — | (805) 680 0436 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Mother Earth Landscaping INC | Luis Esteban Perez Villafana | — | (805) 284 3802 | Windows, patio, painters | Goleta · Santa Barbara County | — | — |
| Mountain Construction | Gary Alan Fuller | glenng@mountain-construction.com | (913) 207-5937 | Electricians | Santa Barbara · Santa Barbara County | — | — |
| Mountain View Landscape Construction LLC | Tyler Steven Valenzuela | — | (805) 448 3524 | Windows, patio, painters | Santa Barbara · Santa Barbara County | — | — |
| Mountain View Windows | Riley Edward Huffman | — | (805) 430 6304 | GC, remodel, ADU | Buellton · Santa Barbara County | — | — |
| Mr Air INC | Martin Aguilar Jr Ruiz | — | (805) 354 4256 | HVAC | Santa Maria · Santa Barbara County | — | — |
| Mr Backflow | Mr Backflow | matt@mrbackflow.com | (805) 588 0785 | Other | Santa Maria · Santa Barbara County | — | — |
| Mr D's Hardwood Floors | Mr D's Hardwood Floors | — | (805) 621 3340 | Other | Santa Maria · Santa Barbara County | — | — |
| Mr Poolman Pool And Spa Maintenance | Linda Carol Sullivan | — | (805) 934 5181 | Pool | Santa Maria · Santa Barbara County | — | — |
| Mr Poolman Swimming Pool Services | Anthony John Ortiz | — | (805) 451 1468 | Pool | Goleta · Santa Barbara County | — | — |
| Mrt Construction INC | Abel Martinez | — | (805) 356 5227 | GC, remodel, ADU | Santa Maria · Santa Barbara County | — | — |
| Msm Construction | Matthew Sean Mc Ginn | — | (805) 895 9195 | GC, remodel, ADU | Santa Barbara · Santa Barbara County | — | — |
| Mtcco-townsend INC | Mikel James Townsend | — | (805) 944 5900 | Other | Lompoc · Santa Barbara County | — | — |