| Deckmasters Housesavers | Logan Andrew Slack | info@deckmastershousesavers.com | (415) 456 2871 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Decks By Woodmasters | Decks By Woodmasters | — | (415) 516 4169 | Windows, patio, painters | Novato · Marin County | — | — |
| Deco Painting Company | Bruno Albuquerque Trajano | — | (415) 521 0025 | Windows, patio, painters | Novato · Marin County | — | — |
| Defensible Space Pros | John Ross Ordway | — | (415) 823 2424 | Tree | San Rafael · Marin County | — | — |
| Defensible Space Pros | John Ross Ordway | — | (415) 823 2424 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Deleon Builders INC | Leon Gramajo Roberto I De | — | (415) 377 8514 | GC, remodel, ADU | Novato · Marin County | — | — |
| Deleon E Hijo Construction | Joe Brayent Deleon Maldonado | joedm@deleonehijoconstruction.com | (415) 261 7242 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Deloach Construction | Patrick James Deloach | — | (415) 299 9275 | GC, remodel, ADU | Novato · Marin County | — | — |
| Delta T Plumbing | Tiberio Maximo Visona | tiberio@deltatplumbing.com | (415) 419 4657 | Other | Mill Valley · Marin County | — | — |
| Denali Building Improvement LLC | Aliaskei Arol | — | (415) 916 9446 | GC, remodel, ADU | Sausalito · Marin County | — | — |
| Denis Murphy DBA Connden Construction | Murphy Denis | — | (415) 305 5628 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Dennis Chute - General Contractor | Dennis Chute - General Contractor | — | (707) 878 2808 | GC, remodel, ADU | Tomales · Marin County | — | — |
| Dennis S Daly | Dennis S Daly | — | (415) 407 6565 | GC, remodel, ADU | Novato · Marin County | — | — |
| Dennis Webb Construction | Dennis Michael Webb | denniswebbconstruction@gmail.com | (415) 902 5767 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Denny's House Of Plumbing INC | Mark David Dehnert | dennyshouseofplumbing@gmail.com | (415) 479 1655 | Other | San Rafael · Marin County | — | — |
| Derango Construction | Gregory John De Rango | — | (415) 726 4280 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Derek Burke Construction INC | Derek Martin Burke | — | (415) 309 3300 | GC, remodel, ADU | Tiburon · Marin County | — | — |
| Dermot Patrick Mc Williams | Dermot Patrick Mc Williams | — | (415) 720 6824 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Derrick Powell Buske | Derrick Powell Buske | — | (626) 318 9958 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Design & Solutions Landscape Contractor | Design & Solutions Landscape Contractor | — | (415) 572 5162 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Design / Build Alliance INC | Joseph Eugene Iii Madrigali | info@designbuildalliance.com | (415) 686 2907 | GC, remodel, ADU | Fairfax · Marin County | — | — |
| Design Build Specialists INC | Mark Honore' Labourdette | yvette@design-build-specialists.com | (415) 892 3932 | GC, remodel, ADU | Novato · Marin County | — | — |
| Design Solutions | Ross Thomas Reed | — | (415) 272 0475 | GC, remodel, ADU | Greenbrae · Marin County | — | — |
| Designcorps Construction | Michael Robert Kurtzman | — | (415) 218 0396 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Designright Builders INC | Joseph Benjamin Scheuer | — | (760) 801 5585 | GC, remodel, ADU | Larkspur · Marin County | — | — |
| Dewdrop Irrigation & Landscape INC | Avalos Alejandro Cabrera | — | (707) 280 7868 | Windows, patio, painters | Novato · Marin County | — | — |
| Di Giorgio Contracting Company | Judy Mayme Di Giorgio | — | (415) 259 7638 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Diamond Home Restoration | Diamond Home Restoration | — | (415) 378 7413 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Diaz Brothers Construction INC | Doriel Yovany Diaz Diaz | — | (415) 827 5009 | GC, remodel, ADU | Novato · Marin County | — | — |
| Diaz Landscaping | Diaz Landscaping | amkryukov@gmail.com | (415) 594 8585 | Windows, patio, painters | Greenbrae · Marin County | — | — |
| Diaz Tree Service INC | Jason Alexander Diaz Tecun | diaztreeserviceinc@gmail.com | (415) 720 8627 | Tree | Greenbrae · Marin County | — | — |
| Dickson Co | Daniel Frederick Dickson | — | (415) 456 1830 | HVAC | San Rafael · Marin County | — | — |
| Dickson Co | Daniel Frederick Dickson | — | (415) 456 1830 | HVAC | San Rafael · Marin County | — | — |
| Diego Bros Incorporated | Dante David Diego | — | (415) 472 5967 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Diego Chivalan Painting | Diego Chivalan Painting | — | (415) 879 5511 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Diego Lopez Construction LLC | Diego Isaac Lopez | — | (415) 259 8927 | GC, remodel, ADU | Novato · Marin County | — | — |
| Dietmar Kootz | Dietmar Kootz | — | (415) 342 8221 | Electricians | Bolinas · Marin County | — | — |
| Dill Plumbing Company | Edward Thomas-scott Dill | — | (415) 991 9673 | Other | Mill Valley · Marin County | — | — |
| Dino Salvestrin Construction Company | Dino Valentino Salvestrin | — | (415) 897 7346 | GC, remodel, ADU | Novato · Marin County | — | — |
| Distribution Technologies INC | Scott Gordon Sims | — | (415) 999 1191 | Other | Tiburon · Marin County | — | — |