| Degree H V A C INC | Trinidad Jr Gudino | — | (650) 596 2920 | HVAC | San Carlos · San Mateo County | — | — |
| Dei Rossi Construction | Victor Anthony Dei Rossi | — | (650) 592 6788 | GC, remodel, ADU | San Carlos · San Mateo County | — | — |
| Del Rey Construction Co INC | Lori A Fowler | — | (650) 573 5278 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Del Rio Roofing Company INC | Ignacio Sandoval Del Rio | — | (650) 364 2505 | Other roofers | Redwood City · San Mateo County | — | — |
| Del Rio Stone DBA Del Rio Stone Construction | Carrazedo Fernando | — | (650) 473 9303 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Delahoussaye Construction INC | David Luke Delahoussaye | — | (650) 270 6485 | GC, remodel, ADU | San Bruno · San Mateo County | — | — |
| Delaney Construction | Jay Jackson Delaney | — | (650) 483 7646 | GC, remodel, ADU | El Granada · San Mateo County | — | — |
| Deleon Plumbing | Deleon Plumbing | — | (415) 613 4664 | Other | Daly City · San Mateo County | — | — |
| Delgado Construction | Jose Carmen Delgado Cruz | — | (650) 315 9393 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Delsur Builders INC | Oscar Antonio Vallejo | — | (650) 491 0199 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| Delsur Group | Marlya Ivette Vallejo | — | (510) 364 8316 | Windows, patio, painters | South San Francisco · San Mateo County | — | — |
| Delta Insulation Services INC | Marvin Osvaldo Portillo Rodriguez | — | (925) 505 1435 | Other | Redwood City · San Mateo County | — | — |
| Deluca Electric INC | Dustin Deluca | rick@delucaelectric.com | (732) 381-6262 | Electricians | Belmont · San Mateo County | — | — |
| Deluxe View Construction INC | Saul Pascual-Francisco | — | (650) 771 6761 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Deluxe Windows And Clean Builders | Deluxe Windows And Clean Builders | — | (650) 461 4446 | Electricians | San Mateo · San Mateo County | — | — |
| Deluxe Windows INC | Deluxe Windows INC | — | (888) 730-4144 | Windows, patio, painters | Burlingame · San Mateo County | — | — |
| Deluxed Painting | Deluxed Painting | — | (510) 812 2338 | Windows, patio, painters | Menlo Park · San Mateo County | — | — |
| Denbar Construction INC | Dennis Patrick Turner | — | (650) 740 8376 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Dennis Elliott General Contractor | Dennis Elliott General Contractor | — | (650) 575 1073 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Dennis Garcia Construction | Dennis Paul Garcia | — | (650) 245 2067 | GC, remodel, ADU | Half Moon Bay · San Mateo County | — | — |
| Dennis James Drywall | Dennis James Drywall | — | (650) 595 9501 | Other | Belmont · San Mateo County | — | — |
| Dennis Lee Mc Master | Dennis Lee Mc Master | — | (650) 208 1716 | GC, remodel, ADU | Montara · San Mateo County | — | — |
| Dennis Mendes | Dennis Mendes | — | (650) 722 0142 | Electricians | Woodside · San Mateo County | — | — |
| Dependable Lock & Hardware | Dependable Lock & Hardware | — | (650) 362 3849 | Other | Redwood City · San Mateo County | — | — |
| Derrick Lawlor Painting | Derrick Lawlor Painting | — | (415) 699 7439 | Windows, patio, painters | Daly City · San Mateo County | — | — |
| Derrick M Yee Co | Derrick Marc Yee | — | (415) 806 8167 | GC, remodel, ADU | Pacifica · San Mateo County | — | — |
| Desai Construction | Arvind Chimanbhai Desai | — | (650) 455 2105 | GC, remodel, ADU | Millbrae · San Mateo County | — | — |
| Design Build Group | Abdel Hamid Ismail | — | (650) 245 2245 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Design Remodeling & Construction Details | Ventseslav Traykov Traykov | — | (415) 646 3839 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| Design Solutions | Design Solutions | — | (650) 333 4443 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Design To Build | Design To Build | — | (650) 730 4280 | GC, remodel, ADU | El Granada · San Mateo County | — | — |
| Detrick & Son Construction INC | Paul Dennis Detrick | — | (650) 455 2769 | GC, remodel, ADU | El Granada · San Mateo County | — | — |
| Dettmer Construction Company | Robert John Dettmer | — | (415) 420 7454 | GC, remodel, ADU | Brisbane · San Mateo County | — | — |
| Dev Electric INC | Shivdev Singh Turk | — | (415) 994 0714 | Electricians | San Mateo · San Mateo County | — | — |
| Devincenzi Architectural Products Group INC DBA Dap | James Joseph Gherardi | — | (650) 692 5806 | Other | Burlingame · San Mateo County | — | — |
| Devoted Construction Incorporated | Kuong Chi Phung | — | (415) 744 4600 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Dfa Builder | Dfa Builder | — | (650) 834 7385 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Dg Flooring INC | Dominic Jonathon Garcia | — | (650) 720 3900 | Other | Portola Valley · San Mateo County | — | — |
| Dh Distribution & Service LLC DBA Dh Distribution | Evan John Campodonico | — | (650) 563 9600 | Other | El Granada · San Mateo County | — | — |
| Di Build LLC | Anthony Louis Di Luzio | info@di-build.com | (415) 621 2621 | GC, remodel, ADU | Millbrae · San Mateo County | — | — |