| Dan Nowell DBA Eden Roc Co | Dan Arthur Nowell | — | (415) 332 3032 | GC, remodel, ADU | Corte Madera · Marin County | — | — |
| Dan O'connor Heating | Dan O'connor Heating | — | (415) 868 0861 | HVAC | Bolinas · Marin County | — | — |
| Dan Young Construction INC | Daniel Lawrence Young | — | (415) 457 6797 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Dan's Plumbing And Sewer Service INC | Daniel Edison Dupirak | — | (415) 462 5858 | Other | San Rafael · Marin County | — | — |
| Dana Rath Woodwork | Dana Rath Woodwork | — | (415) 246 2360 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Danbo Plumbing And Mechanical | Danbo Plumbing And Mechanical | — | (415) 499 2654 | Other | Novato · Marin County | — | — |
| Daniel A Holleran | Daniel A Holleran | — | (415) 328 4132 | HVAC | Novato · Marin County | — | — |
| Daniel Kacer | Daniel Kacer | — | (415) 305 6518 | GC, remodel, ADU | Novato · Marin County | — | — |
| Daniel R Dee | Daniel R Dee | — | (415) 499 7714 | Other | Novato · Marin County | — | — |
| Danny Gallagher & Company INC | Gallagher Daniel | — | (415) 291 9104 | GC, remodel, ADU | Kentfield · Marin County | — | — |
| Danziger Builders | Robert Marty Danziger | — | (415) 599 9461 | GC, remodel, ADU | Novato · Marin County | — | — |
| Darin G Meyer INC DBA Meyer Painting | Darin Glenn Meyer | — | (415) 459 3271 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Darren Whiteside | Darren Whiteside | darren.k.whiteside@gmail.com | (415) 686 6467 | Other | Mill Valley · Marin County | — | — |
| Darwin's Plumbing | Darwin's Plumbing | — | (415) 299 7007 | Other | San Rafael · Marin County | — | — |
| Daunell Electric | David Bruce Daunell | — | (415) 608 9143 | Electricians | Woodacre · Marin County | — | — |
| Dave Dunlop Painting Contractor | Dave Dunlop Painting Contractor | — | (415) 328 4519 | Windows, patio, painters | Novato · Marin County | — | — |
| Dave Mason Building INC | David Francis Mason | — | (415) 215 6625 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| David Charbonneau DBA Northbay Electric Solutions | David Paul Charbonneau | — | (415) 571 1697 | Electricians | Larkspur · Marin County | — | — |
| David Erdmann Landscape Services | David Sean Erdmann | — | (415) 407 9431 | Windows, patio, painters | San Rafael · Marin County | — | — |
| David Frain Construction | David Gerard Frain | — | (510) 914 0034 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| David Furtado Construction | David Roderick Furtado | — | (702) 990 7823 | GC, remodel, ADU | Fairfax · Marin County | — | — |
| David M Goray | David M Goray | — | (415) 515 2338 | GC, remodel, ADU | Larkspur · Marin County | — | — |
| David Martins | David Martins | — | (415) 261 1525 | Other | San Rafael · Marin County | — | — |
| David Salyer Construction | David Wayne Salyer | — | (415) 717 7945 | GC, remodel, ADU | Novato · Marin County | — | — |
| David Segale | David Segale | — | (415) 456 8152 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| David Spurgeon | David Spurgeon | — | (415) 710 2788 | GC, remodel, ADU | Sausalito · Marin County | — | — |
| David Warner | David Warner | — | (415) 492 2020 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| David Wilson Property Maintenance | David Wilson Property Maintenance | — | (415) 320 2012 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Davis Sign Co INC | Milton Roger Davis | — | (415) 457 4091 | Other | San Rafael · Marin County | — | — |
| Db Pro Electric LLC | Bedkowski Dawid | — | (415) 717 5832 | Electricians | Novato · Marin County | — | — |
| Dbc David Brunjes Construction | David Howard Brunjes | — | (415) 350 6150 | GC, remodel, ADU | Novato · Marin County | — | — |
| De Filippis Tile | De Filippis Tile | — | (650) 238 4888 | Other | Novato · Marin County | — | — |
| De Jung Painting | De Jung Painting | — | (415) 640 0625 | Windows, patio, painters | Lagunitas · Marin County | — | — |
| De Leon Hardwood Floors | Jorge Lindbergh De Leon | — | (415) 272 5960 | Other | Corte Madera · Marin County | — | — |
| De Leon Landscaping INC | Miguel Arnulfo Orellana | — | (415) 261 1708 | Windows, patio, painters | Novato · Marin County | — | — |
| De Luna Construction LLC | Julio Cesar De Luna Segura | — | (415) 306 6068 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| De Mello Roofing INC | Joseph Paul Sr Villa | — | (415) 456 0741 | Other roofers | San Rafael · Marin County | — | — |
| De Silva Enterprises | William De Camargo Silva | — | (510) 685 0832 | GC, remodel, ADU | Greenbrae · Marin County | — | — |
| Dean Lafayette Landscape | Dean Lafayette Landscape | — | (415) 606 0493 | Windows, patio, painters | Woodacre · Marin County | — | — |
| Deborah Masters | Deborah Masters | info@deborahmasters.com | (415) 640 1112 | GC, remodel, ADU | Sausalito · Marin County | — | — |