| Drain Town Rooter | Ryan Joseph Heenan | — | (949) 620 3555 | Other | Mission Viejo · Orange County | — | — |
| Drain-rite Plumbing | Drain-rite Plumbing | — | (714) 995 2725 | Other | Anaheim · Orange County | — | — |
| Drake Anthony Duesler | Drake Anthony Duesler | — | (714) 350 7905 | GC, remodel, ADU | Santa Ana · Orange County | — | — |
| Drake Construction INC | David Drake Smith | drake@drakeconstruction.com | (714) 841 5285 | Electricians | Huntington Beach · Orange County | — | — |
| Drake Controls - West LLC | Nils Ingman Berge | — | (714) 562 0099 | Other | Buena Park · Orange County | — | — |
| Drake Electric Co | Matthew John Drake | — | (714) 795 1073 | Electricians | Placentia · Orange County | — | — |
| Drake Gregory Wills | Drake Gregory Wills | — | (949) 607 8094 | Other | San Clemente · Orange County | — | — |
| Drake Traffic Control Services INC | Richard Charles Devinney | — | (657) 284 5858 | Other | Anaheim · Orange County | — | — |
| Draper Drywall | Draper Drywall | — | (949) 305 8100 | Other | San Juan Capistrano · Orange County | — | — |
| Draperies By Carlos | Draperies By Carlos | — | (714) 726 9476 | Other | Cypress · Orange County | — | — |
| Drapery Installations By Jeff | Drapery Installations By Jeff | — | (714) 501 0276 | Other | Santa Ana · Orange County | — | — |
| Drapes & Fabrics By Vincent | Drapes & Fabrics By Vincent | — | (714) 283 4040 | Other | Anaheim Hills · Orange County | — | — |
| Drc Pools | Daniel Brian Regimbal | — | (714) 331 8008 | Pool | Yorba Linda · Orange County | — | — |
| Dream Construction & Remodeling INC | Navarro Joel | — | (310) 808 5242 | GC, remodel, ADU | Garden Grove · Orange County | — | — |
| Dream Cubic Construction | Du Xin | — | (626) 905 7979 | Electricians | Irvine · Orange County | — | — |
| Dream Home Innovations | Dream Home Innovations | — | (714) 495 7076 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Dream House Painting | Dream House Painting | — | (714) 623 8834 | Windows, patio, painters | Anaheim · Orange County | — | — |
| Dream Jib Construction INC | Jason Byeon | — | (714) 822 7371 | GC, remodel, ADU | Cypress · Orange County | — | — |
| Dream Tile Mosaics | Dream Tile Mosaics | — | (714) 724 7255 | Other | Santa Ana · Orange County | — | — |
| Dream Wall Design | Dream Wall Design | — | (714) 767 0070 | Other | Irvine · Orange County | — | — |
| Dreambuild Construction Group INC | Lessani Kash | — | (714) 951 7075 | GC, remodel, ADU | Mission Viejo · Orange County | — | — |
| Dreamestate General Contracting | Hernandezbernal Rodrigo | — | (714) 492 9774 | GC, remodel, ADU | Tustin · Orange County | — | — |
| Dreamhomes Remodeling | Dreamhomes Remodeling | — | (619) 432 8507 | GC, remodel, ADU | Rancho Santa Margarita · Orange County | — | — |
| Dreamscapes | Donald August Equitz | — | (714) 996 8040 | Windows, patio, painters | Orange · Orange County | — | — |
| Dreamscapes By M G R INC | Manuel Gonzalo Rodriguez | — | (949) 999 2041 | Windows, patio, painters | Costa Mesa · Orange County | — | — |
| Dreamscapes Landscaping Construction | Kevin Isaias Ortigoza | — | (714) 592 5492 | Windows, patio, painters | Garden Grove · Orange County | — | — |
| Dreamworks Design Center | Dreamworks Design Center | — | (714) 715 8636 | GC, remodel, ADU | Orange · Orange County | — | — |
| Dreyfuss Builders,llc | Joel Hans Stensby | estimating@dreyfussbuilders.com | (310) 645 9565 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Drilco INC | Gilbert Marcel Caron | — | (949) 502 6555 | Other | Laguna Beach · Orange County | — | — |
| Drip Drop Plumbing | Drip Drop Plumbing | — | (949) 307 8263 | Other | Anaheim · Orange County | — | — |
| Driveway Masters INC | Michael Thomas Santuci | — | (714) 773 5555 | GC, remodel, ADU | Brea · Orange County | — | — |
| Drs Contracting | Michael Joseph Draper | — | (817) 888 2501 | Other | Anaheim · Orange County | — | — |
| Drt Construction INC | David Keith Hoffman | — | (714) 309 2137 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Dry Master | Joshua Corey Bastian | — | (949) 492 1100 | HVAC | Mission Viejo · Orange County | — | — |
| Dry Pros | George Harout Kirakosian | — | (714) 606 9666 | GC, remodel, ADU | Orange · Orange County | — | — |
| Drywall Construction Leaders INC | Carlos Rafael Lopez | — | (714) 858 4775 | Other | Orange · Orange County | — | — |
| Drywall Design | Drywall Design | — | (714) 285 9587 | Other | Santa Ana · Orange County | — | — |
| Drywall Doctor | Drywall Doctor | — | (310) 351 8994 | Other | Ladera Ranch · Orange County | — | — |
| Ds Steel And Construction INC | Duk Soo Choi | — | (714) 760 4359 | Electricians | Costa Mesa · Orange County | — | — |
| Dsantos Construccion INC | Dany Oscar Santos Orellana | — | (714) 561 0255 | GC, remodel, ADU | Santa Ana · Orange County | — | — |