| Darr Electrical Services INC | Edward Bruce Darr | — | (951) 741 8302 | Electricians | Norco · Riverside County | — | — |
| Darren Lavance Tolbert | Darren Lavance Tolbert | — | (951) 733 2116 | Other | Corona · Riverside County | — | — |
| Darren Zimmer | Darren Zimmer | — | (909) 570 9405 | Other | Perris · Riverside County | — | — |
| Darryl Gray | Darryl Gray | — | (951) 764 5795 | GC, remodel, ADU | Canyon Lake · Riverside County | — | — |
| Dash Electric | David Julian Ursu | — | (951) 217 8628 | Electricians | Riverside · Riverside County | — | — |
| Dassl Low Voltage Electrical | Keith Eugene Davis | — | (818) 646 6490 | Other | Riverside · Riverside County | — | — |
| Datastream Technology Consulting | Sergio Omar Ruiz | — | (281) 677 1537 | Other | Riverside · Riverside County | — | — |
| Dataxtel INC | Gustavo Tony Ramos | — | (951) 214 1400 | Other | Moreno Valley · Riverside County | — | — |
| Daugherty Construction | Brett Randall Daugherty | — | (951) 718 1410 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Davalos Electric | Ivan Jesus Davalos-bautista | — | (760) 702 5263 | Electricians | Coachella · Riverside County | — | — |
| Davcas Engineering LLC | Oscar Augusto Davila | — | (951) 934 3760 | GC, remodel, ADU | Jurupa Valley · Riverside County | — | — |
| Davcas INC | Jenipher Silva Davila | — | (951) 934 3760 | Windows, patio, painters | Jurupa Valley · Riverside County | — | — |
| Davcon Construction INC | David Wayne Wakefield | — | (909) 208 4288 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Davcon General Contractor INC | Allan Anthony Davis | — | (909) 731 3165 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Dave Built Custom Homes Corporation | David Lawrence Cardenas | — | (951) 225 8219 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Dave Chisum Painting | Dave Chisum Painting | — | (760) 674 7026 | Windows, patio, painters | Palm Springs · Riverside County | — | — |
| Dave Goodwin Modular LLC DBA Dg Manufactured Construction | David Lee Goodwin | — | (951) 652 1309 | Other | Hemet · Riverside County | — | — |
| Dave Graves Painting | Dave Graves Painting | — | (951) 923 6873 | Windows, patio, painters | Hemet · Riverside County | — | — |
| Dave Marsteller & Sons Roofing INC | David Ochoa Marsteller | — | (951) 735 4542 | Other roofers | Riverside · Riverside County | — | — |
| Dave Palmer Custom Cabinets | Dave Palmer Custom Cabinets | — | (909) 938 8203 | Other | Hemet · Riverside County | — | — |
| Dave Powell Construction | David Michael Powell | — | (760) 403 8496 | GC, remodel, ADU | Desert Hot Springs · Riverside County | — | — |
| Dave Williams Plumbing & Electrical INC | Danielle Erin Williams | — | (760) 296 1397 | Electricians | Palm Desert · Riverside County | — | — |
| Dave's Ceilings | Dave's Ceilings | — | (714) 345 5379 | Other | Moreno Valley · Riverside County | — | — |
| Dave's Landscape Curb Appeal Specialist | Dave's Landscape Curb Appeal Specialist | — | (951) 587 1077 | Windows, patio, painters | Wildomar · Riverside County | — | — |
| Daveco Fire Solutions INC | Joy Xie | — | (951) 254 3396 | Electricians | Corona · Riverside County | — | — |
| David A Nelson | David A Nelson | — | (760) 341 1052 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| David Aguilar | David Aguilar | — | (951) 255 1975 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| David Alan Carty | David Alan Carty | — | (951) 203 4080 | Other | Riverside · Riverside County | — | — |
| David Aldaco | David Aldaco | — | (909) 505 1338 | Windows, patio, painters | Riverside · Riverside County | — | — |
| David Arnold Cote | David Arnold Cote | — | (951) 312 0701 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| David Aroz Plumbing & Construction | David Anthony Aroz | — | (562) 572 2646 | GC, remodel, ADU | Winchester · Riverside County | — | — |
| David Bosio | David Bosio | — | (949) 279 0055 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| David Boyle | David Boyle | — | (760) 578 6511 | Pool | Desert Hot Springs · Riverside County | — | — |
| David Bruce Duntsch | David Bruce Duntsch | — | (909) 266 7158 | Electricians | Nuevo · Riverside County | — | — |
| David Chaich Electrical/mechanical | David Alan Chaich | — | (951) 326 6663 | HVAC | Winchester · Riverside County | — | — |
| David Cordrey Concrete Construction | David Dean Cordrey | — | (951) 929 6442 | Other | Hemet · Riverside County | — | — |
| David Donald Masonry | David Donald Masonry | — | (951) 760 5102 | Other | Menifee · Riverside County | — | — |
| David E Glenn Construction | David Eugene Glenn | — | (951) 681 3050 | GC, remodel, ADU | Mira Loma · Riverside County | — | — |
| David E Kerr DBA David Kerr Construction | David Edward Kerr | — | (951) 242 8153 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| David E Scott Design Builders INC | David Eric Scott | — | (760) 773 4953 | GC, remodel, ADU | Rancho Mirage · Riverside County | — | — |