| D M Remodeling | D M Remodeling | — | (707) 365 7776 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| D N A Construction Services INC | David Andrew Mc Calmon | — | (707) 301 8897 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| D O Contractors Corp | Licio Ribeiro Dias | — | (510) 518 8578 | Other | Fairfield · Solano County | — | — |
| D P Reed Construction LLC | Dennis Paul Reed | — | (707) 249 6256 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| D R H Construction | Donald Ray Hurt | daveh@drhconstruction.com | (707) 372 6864 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| D R S Marine INC | Mark Anthony Land | — | (707) 648 3483 | Other | Vallejo · Solano County | — | — |
| D W General Engineering Contractor Corp | David Earl Sr Wilson | — | (707) 640 0797 | Other | Dixon · Solano County | — | — |
| D W Mechanical | D W Mechanical | info@dwmechanical.com | (707) 673 6397 | HVAC | Vacaville · Solano County | — | — |
| D White Home Repair | D White Home Repair | — | (707) 628 6020 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| D&s Tile Designs INC | Diaz Daniel Alvarez | — | (707) 718 1252 | Other | Vacaville · Solano County | — | — |
| D-man-burly Systems INC | Phillip Ryan Speck | — | (707) 448 0403 | Electricians | Vacaville · Solano County | — | — |
| D1 Renovations | Dylan James Anderson | dylan@d1renovations.com | (707) 365 4938 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| D3 Water Heaters & Plumbing Repairs | Dion Daniel Destefano | — | (707) 685 1903 | Other | Vacaville · Solano County | — | — |
| Daisy Construction INC | Vincent Theodore Agosta | — | (707) 297 1998 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Dan Pasquini General Building Contractor | Dan Pasquini General Building Contractor | — | (510) 305 2407 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Danco Construction INC | Baryshnikov Danila | danco-construction@outlook.com | (916) 796 8651 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Danco Waterproofing Corporation | Ghie Jeffrey Mc | info@dancowaterproofing.com | (925) 271 5262 | Windows, patio, painters | Benicia · Solano County | — | — |
| Daniel E Trujillo | Daniel E Trujillo | — | (707) 624 9314 | Other | Vacaville · Solano County | — | — |
| Dar Construction | Radostin Petkov Ilyev | — | (707) 310 7667 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Darren Kicker | Darren Kicker | — | (415) 240 7108 | Electricians | Suisun · Solano County | — | — |
| Dasa Paint & Design | Hernandez Sebastian Martinez | — | (408) 422 7633 | Windows, patio, painters | Fairfield · Solano County | — | — |
| Dave Evans Builds LLC | David Christopher Evans | — | (415) 499 2708 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Dave Kendrick Construction Company | David Delford Kendrick | — | (559) 804 7836 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Dave's Painting & Repairs | Dave's Painting & Repairs | — | (707) 208 2324 | Windows, patio, painters | Fairfield · Solano County | — | — |
| David A Muth | David A Muth | — | (925) 766 3026 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| David Alexander Argumedo | David Alexander Argumedo | — | (707) 656 3903 | Windows, patio, painters | Vallejo · Solano County | — | — |
| David Bianchi Home Repair INC | David Louis Jr Bianchi | — | (707) 249 8697 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| David Douthit Plumbing | David Douthit Plumbing | — | (704) 746 5130 | Other | Dixon · Solano County | — | — |
| David J Salazar | David J Salazar | — | (707) 235 4334 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| David Lee Construction | David Parley Lee | — | (707) 334 2084 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| David M Moreno | David M Moreno | — | (415) 720 5205 | Other | Benicia · Solano County | — | — |
| David Mc Clelland | David Mc Clelland | — | (707) 580 4663 | GC, remodel, ADU | Suisun City · Solano County | — | — |
| David Newlon Construction | David Arthur Newlon | — | (707) 481 5643 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| David Whitten Electric | David Alberto Whitten | — | (707) 310 7185 | Electricians | Vallejo · Solano County | — | — |
| Davis Electric & Systems | Joshua Timothy Davis | info@daviselectricsystems.com | (707) 480 3733 | Electricians | Vacaville · Solano County | — | — |
| Davis Painting | Davis Painting | office@davispainting.com | (707) 639 6134 | Windows, patio, painters | Fairfield · Solano County | — | — |
| Davis Pro Builders INC | Brandon Jon'ta Davis | brandon@davisprobuilders.com | (619) 572 1541 | GC, remodel, ADU | Suisun City · Solano County | — | — |
| Dawson Electric | Peter Donald Dawson | info@dawsonelectric.com | (707) 718 1549 | Electricians | Benicia · Solano County | — | — |
| Ddu Concrete Company INC | Ulises Reyes-Barajas | — | (707) 330 2528 | Other | Vacaville · Solano County | — | — |
| De Gracia Construction | Jack Joaquin De Gracia | — | (707) 606 9249 | GC, remodel, ADU | Rio Vista · Solano County | — | — |