| Daniel Perez Painting And Wallcoverings | Daniel Perez Painting And Wallcoverings | — | (714) 313 1838 | Windows, patio, painters | Anaheim · Orange County | — | — |
| Daniel Posilovich | Daniel Posilovich | — | (714) 978 7900 | GC, remodel, ADU | Orange · Orange County | — | — |
| Daniel Puccinelli | Daniel Puccinelli | — | (949) 378 6220 | Windows, patio, painters | San Clemente · Orange County | — | — |
| Daniel Rupp Electric | Daniel Alan Rupp | — | (949) 306 7631 | Electricians | Mission Viejo · Orange County | — | — |
| Daniel Tyler Ricks | Daniel Tyler Ricks | — | (714) 650 7111 | GC, remodel, ADU | Placentia · Orange County | — | — |
| Daniel William Rambo DBA Fire Protection Specialists | Fire Protection Specialists | — | (714) 635 6500 | Other | Anaheim · Orange County | — | — |
| Danielewski Construction INC | James Joseph Donnelly | — | (714) 608 9592 | Electricians | Placentia · Orange County | — | — |
| Danjo Windows And Doors | Quang That Ton | — | (714) 267 0037 | GC, remodel, ADU | Costa Mesa · Orange County | — | — |
| Danken INC | Scott Dwaine Walker | — | (714) 875 4714 | Other | Ladera Ranch · Orange County | — | — |
| Danner Construction INC | James Edward Danner | — | (949) 273 6444 | Other | San Juan Capistrano · Orange County | — | — |
| Danner's Construction | Gregory Dennis Danner | — | (562) 761 6075 | Other | Seal Beach · Orange County | — | — |
| Danny Chang And Associates | Danny Ching Fu Chang | — | (818) 601 4938 | HVAC | Irvine · Orange County | — | — |
| Danny Express General Contractor Corp | Rodriguez Antonio Sambrano | — | (714) 341 5051 | GC, remodel, ADU | Buena Park · Orange County | — | — |
| Danny Garcia Concrete Construction INC | Olympia Isabel Garcia | — | (714) 719 5925 | Other | Anaheim · Orange County | — | — |
| Danny Larderuccio Electric | Daniel Robert Larderuccio | — | (714) 206 1036 | Electricians | Los Alamitos · Orange County | — | — |
| Danny Larderuccio Electric | Daniel Robert Larderuccio | — | (714) 206 1036 | Electricians | Los Alamitos · Orange County | — | — |
| Danny Letner INC DBA Letner Roofing Company | Richard Bernard Olson | — | (714) 633 0030 | Other roofers | Orange · Orange County | — | — |
| Danny Ryan Precision Contracting INC DBA Adep Precision Contracti | Kelvin Severino | — | (949) 642 6664 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Danny Tran | Danny Tran | — | (714) 200 6836 | GC, remodel, ADU | Huntington Beach · Orange County | — | — |
| Danny's Construction Company | Arnulfo Gomez De La Torre | — | (714) 345 4406 | GC, remodel, ADU | Garden Grove · Orange County | — | — |
| Darco Construction | Denver Douglas Darling | — | (714) 761 8299 | GC, remodel, ADU | Stanton · Orange County | — | — |
| Daren Carlson Plumbing | Daren Carlson Plumbing | — | (714) 448 3109 | Other | Yorba Linda · Orange County | — | — |
| Darin Takeshi Koshi | Darin Takeshi Koshi | — | (310) 245 6496 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Darin Weller Construction | Darin Edward Weller | — | (714) 288 2772 | GC, remodel, ADU | Orange · Orange County | — | — |
| Darrah Electric | Bryan Thomas Darrah | — | (714) 488 8142 | Electricians | Fullerton · Orange County | — | — |
| Darrell Gentry | Darrell Gentry | — | (714) 904 2474 | GC, remodel, ADU | Yorba Linda · Orange County | — | — |
| Darrell Martz General Contractor INC | Darrell Henry Martz | — | (949) 547 2726 | GC, remodel, ADU | Capistrano Beach · Orange County | — | — |
| Darrell Rauch Design And Build | Darrell Russell Rauch | — | (714) 743 6320 | GC, remodel, ADU | Yorba Linda · Orange County | — | — |
| Darrell W Knutsen General Contractor | Darrell W Knutsen General Contractor | — | (714) 308 5362 | GC, remodel, ADU | Newport Beach · Orange County | — | — |
| Darren Andrew Beeson | Darren Andrew Beeson | — | (714) 264 6880 | Electricians | Anaheim · Orange County | — | — |
| Darren Bradley Lauck | Darren Bradley Lauck | — | (417) 468 8207 | Other | Fullerton · Orange County | — | — |
| Darryl E Severns Painting Co | Darryl Eugene Severns | — | (949) 285 2015 | Windows, patio, painters | Mission Viejo · Orange County | — | — |
| Darryl Nocera Plumbing | Darryl Nocera Plumbing | — | (714) 713 2581 | Other | La Habra · Orange County | — | — |
| Darryl Preston Rock DBA Rock Construction | Darryl Preston Rock | — | (714) 920 2127 | GC, remodel, ADU | Anaheim · Orange County | — | — |
| Darwin Richards Construction INC DBA Stairs And Finish Carpentry | Darwin Allan Richards | — | (714) 743 0069 | Other | Santa Ana · Orange County | — | — |
| Daryl Green | Daryl Green | — | (948) 584 7311 | Windows, patio, painters | Newport Beach · Orange County | — | — |
| Dash Low Voltage INC | Ramirez William | — | (714) 900 8482 | Electricians | Fullerton · Orange County | — | — |
| Dashing Properties INC | Pezhman Dashti | info@dashingproperties.com | (949) 776 5954 | GC, remodel, ADU | Irvine · Orange County | — | — |
| Dassa Construction Services INC | Robin Frances Assad | — | (714) 701 0475 | HVAC | Yorba Linda · Orange County | — | — |
| Dassa Enterprises INC | Ahamed Mahamed Jr Assad | — | (714) 701 0475 | Electricians | Yorba Linda · Orange County | — | — |