| Davin Payne | Davin Payne | — | (510) 258 3205 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Davis & Lohse Fine Cabinetry | Greggory Brian Davis | — | (510) 608 4750 | Other | Newark · Alameda County | — | — |
| Davis Levi Construction INC | Roimoshe Levi | — | (510) 775 3724 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Davis Painting And Decorating | Davis Painting And Decorating | — | (510) 990 6588 | Windows, patio, painters | Berkeley · Alameda County | — | — |
| Dawson Construction Management | Lamont David Dawson | info@dawsonconstructionmanagement.com | (510) 593 5408 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Day Group Builders LLC | Damon Grail Bleth | office@daygroupbuilders.com | (510) 537 8814 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Daystar Window Tinting INC | Mark Allen Rascon | aystarwt@comcast.net | (510) 749 7505 | Other | Castro Valley · Alameda County | — | — |
| Db's Refrigeration | Db's Refrigeration | — | (510) 734 8933 | HVAC | Albany · Alameda County | — | — |
| Dc Low Voltage Technologies | Carlos Humberto Pena | — | (408) 340 6231 | Other | Hayward · Alameda County | — | — |
| Dcc Plumbing & Construction | Wu Dahui | — | (510) 379 8898 | GC, remodel, ADU | Pleasanton · Alameda County | — | — |
| Dcm Electrical Group INC | Daniel Claudiu Mihai | — | (510) 789 7778 | Electricians | Fremont · Alameda County | — | — |
| Dconstrux General Building Contracting INC | Daimon L A Marchand | — | (510) 219 1006 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Dd Ho Landscaping | Dd Ho Landscaping | ddholandscaping@gmail.com | (510) 750 7602 | Windows, patio, painters | Hayward · Alameda County | — | — |
| De Anza Tile Co INC | Stephen Paul Barron | jeffp@deanzatile.com | (510) 933 7600 | Other | Fremont · Alameda County | — | — |
| De Construction Company | De Cheng Wu | — | (510) 387 7986 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| De Koven Masonry | De Koven Masonry | — | (510) 381 2342 | Other | Castro Valley · Alameda County | — | — |
| De La Cruz Painting | De La Cruz Painting | — | (510) 441 0540 | Windows, patio, painters | Union City · Alameda County | — | — |
| De La Vara Construction | Mark Anthony De La Vara | — | (510) 241 9442 | Electricians | Oakland · Alameda County | — | — |
| De Le Floors INC | Michael Pham | — | (510) 536 3531 | Other | Oakland · Alameda County | — | — |
| De Luca Construction LLC | De Luca Alessandro | — | (415) 463 0240 | Electricians | Hayward · Alameda County | — | — |
| De Mega Electric Co | Moreno Gerardo | — | (510) 750 2510 | Electricians | San Leandro · Alameda County | — | — |
| De Shields Stair & Custom Woodworks | Chad Joseph De Sheilds | — | (925) 487 6398 | Other | Pleasanton · Alameda County | — | — |
| De Silva Gates Construction | Edwin Oliver De Silva | — | (925) 361 1533 | Other | Dublin · Alameda County | — | — |
| De Silva Gates Construction - Myers A Joint Venture | & Sons Construction LLC Myers | — | (925) 829 9220 | GC, remodel, ADU | Dublin · Alameda County | — | — |
| De Silva Gates Construction LP | David Edwin De Silva | — | (925) 803 4277 | Other | Dublin · Alameda County | — | — |
| De Xing Construction INC | Zhuo Ming Li | — | (510) 409 0177 | GC, remodel, ADU | San Lorenzo · Alameda County | — | — |
| Dea99 Landscape LLC | Ivan Ernesto Alvarado | — | (510) 631 5446 | Windows, patio, painters | Albany · Alameda County | — | — |
| Dead On Construction LLC | Joseph Anthony Schwan | — | (415) 505 6122 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Deanda Siding Shingles | Munoz De Anda Ricardo | ricardo278@icloud.com | (510) 978 5670 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Debernardi Development INC | Jeffrey Michael| De Bernardi Jeffrey Michael Debernardi | — | (925) 846 1765 | GC, remodel, ADU | Pleasanton · Alameda County | — | — |
| Debra Koppman | Debra Koppman | debbie@debrakoppman.com | (510) 482 1818 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Decena Lath & Plaster | Decena Lath & Plaster | — | (510) 331 7316 | Other | Oakland · Alameda County | — | — |
| Deck Preservation | Deck Preservation | contact@deckpreservation.com | (510) 825 9085 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Deco Art | Deco Art | store@decoart.com | (510) 506 9766 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Dee Ay En Gee Home Services | Fernando Obleada Dinglasan | — | (510) 303 7086 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Deep And High Development | Deep And High Development | — | (510) 305 1998 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Deepak Gupta | Deepak Gupta | deepak@dlcgroup.in | (408) 876 4042 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Dees-hennessey INC | Jason Edward Myers | — | (650) 595 8933 | Other | Hayward · Alameda County | — | — |
| Definitive Millwork Installations INC | Derrick Austin Hartwell | — | (510) 290 5718 | Other | Oakland · Alameda County | — | — |
| Degcent | Yang Xiaofeng | — | (925) 519 5437 | Electricians | Pleasanton · Alameda County | — | — |