| Michael P Freinberg | Michael P Freinberg | — | (831) 420 7606 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Michael R Shuler | Michael R Shuler | — | (831) 535 3653 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Michael Rockett | Michael Rockett | — | (831) 239 7646 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Michael Scott Miller | Michael Scott Miller | — | (831) 359 7731 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Michael Watts Construction | Michael Brian Watts | — | (831) 818 3193 | GC, remodel, ADU | La Selva Beach · Santa Cruz County | — | — |
| Michael Williams Construction | Michael Bruce Williams | — | (408) 497 8679 | GC, remodel, ADU | Corralitos · Santa Cruz County | — | — |
| Michael's Roofing | Michael James Johnson | — | (831) 336 5564 | Other roofers | Ben Lomond · Santa Cruz County | — | — |
| Michal Gerard Construction | Michal Bernard Gerard | — | (831) 476 3738 | Electricians | Soquel · Santa Cruz County | — | — |
| Mickey's Backhoe Service | George Owen Mickey | — | (831) 818 8759 | Other | Santa Cruz · Santa Cruz County | — | — |
| Mid County Tile | Mid County Tile | — | (831) 239 1153 | Other | Santa Cruz · Santa Cruz County | — | — |
| Mid-bay Builder | Mid-bay Builder | — | (831) 840 7793 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Mike Hinson Construction INC | Michael Brett Hinson | — | (831) 662 3834 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Mike Kelly Construction INC | William Michael Kelly | — | (831) 428 4678 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Mike Lacki Electrical And Construction | John Michael Lacki | — | (831) 588 7572 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Mike Lobue | Mike Lobue | — | (808) 497 9383 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Mike Sanders Concrete | Mike Sanders Concrete | — | (831) 234 4536 | Other | Soquel · Santa Cruz County | — | — |
| Mike Sargenti Construction | Agostino Mike Sargenti | — | (831) 345 8189 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Mike Schroeder Concrete Construction | Michael Alan Schroeder | — | (831) 612 6995 | Other | Aptos · Santa Cruz County | — | — |
| Mike Treanor Construction INC | Michael David Treanor | — | (831) 214 5736 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Mikols Construction | John Charles Mikols | — | (831) 332 0877 | GC, remodel, ADU | La Selva Beach · Santa Cruz County | — | — |
| Miles Wade | Miles Wade | — | (408) 515 9657 | Other | Santa Cruz · Santa Cruz County | — | — |
| Miller Electric | Dylan Matthew Miller | — | (831) 334 9737 | Electricians | Capitola · Santa Cruz County | — | — |
| Miller Engineering Construction | Travis Emil Miller | — | (209) 559 5960 | Other | Scotts Valley · Santa Cruz County | — | — |
| Milne Design And Build INC | William James Milne | — | (650) 454 6302 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Milrod Construction INC | Vincent Scott Milrod | — | (831) 425 0146 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Miners Custom Building | Miners Custom Building | — | (408) 710 2568 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Miranda's Floor Installation INC | Miranda Arturo | — | (408) 309 1484 | Other | Scotts Valley · Santa Cruz County | — | — |
| Mission Construction | Timothy Marc Guhin | — | (408) 205 1399 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Mission Floors INC | Emiliano Castro | — | (831) 426 3500 | Other | Santa Cruz · Santa Cruz County | — | — |
| Mitchell Cartwright Builders | Mitchell Cartwright Builders | — | (831) 818 8955 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Mitchell's Plumbing | Martin Darrel Mitchell | — | (831) 458 9310 | Other | Aptos · Santa Cruz County | — | — |
| Mitchell's Plumbing | Mitchell's Plumbing | — | (831) 458 9310 | Other | Aptos · Santa Cruz County | — | — |
| Mjg Plumbing | Mjg Plumbing | mike@mjgplumbing.com | (504) 931-1870 | Other | Watsonville · Santa Cruz County | — | — |
| Modern Bay Painting LLC | Chad Francis Ferreira | chad@modernbaypainting.com | (831) 435 0184 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Modern Day Flooring | Modern Day Flooring | — | (408) 375 2775 | Other | Watsonville · Santa Cruz County | — | — |
| Modern Plumbers INC | Miguel Angel Avila | — | (831) 515 2058 | Other | Watsonville · Santa Cruz County | — | — |
| Modern Tech Construction | David Alan Gamez | — | (408) 545 8677 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Modern Wiring | Modern Wiring | — | (831) 345 0321 | Other | Scotts Valley · Santa Cruz County | — | — |
| Monahan Builders | Monahan Builders | — | (831) 818 4546 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Monarch Creative Developers | Anthony Leland Hollingsworth | — | (831) 461 5676 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |