| Duke Electric LLC | Christopher Anthony Gallaher | — | (619) 954 4701 | Electricians | Menifee · Riverside County | — | — |
| Duncan Bros INC | Michael Scott Duncan | — | (951) 786 9630 | Other | Riverside · Riverside County | — | — |
| Dunham & Sons Air - Heating - Plumbing | Guy Aaron Dunham | — | (951) 654 4750 | HVAC | Hemet · Riverside County | — | — |
| Dunham Mechanical Services | Mark Leonard Dunham | — | (951) 530 8980 | HVAC | Riverside · Riverside County | — | — |
| Dunmire Climate Control | Dunmire Climate Control | — | (951) 654 2280 | HVAC | San Jacinto · Riverside County | — | — |
| Dunn Right Blinds INC | Michael Shane Dunn | — | (760) 851 2028 | Other | Palm Desert · Riverside County | — | — |
| Dunn Rite Construction | Christen Marie Pena | — | (951) 453 9334 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Dunn's Desert Landscape Service | Nathan Jay Dunn | — | (760) 342 6267 | Windows, patio, painters | Palm Desert · Riverside County | — | — |
| Dunrite Tile And Coping INC | Gregory Thomas Biegel | — | (951) 265 5250 | Other | Wildomar · Riverside County | — | — |
| Durabuild | Chris James Duran | — | (951) 855 2077 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Duralux Construction | Brian Garrett Gutierrez | duraluxconstruction@gmail.com | (951) 992 6182 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Duran Concrete | Duran Concrete | — | (951) 212 2389 | Other | Hemet · Riverside County | — | — |
| Duran Concrete LLC | J Isabel Duran-Rodriguez | — | (951) 526 9857 | Other | San Jacinto · Riverside County | — | — |
| Duran General Construction INC | Andres Duran | — | (951) 426 3548 | GC, remodel, ADU | Beaumont · Riverside County | — | — |
| Duran's Painting And Decorating | Duran's Painting And Decorating | — | (951) 897 0028 | Windows, patio, painters | Perris · Riverside County | — | — |
| Durango Plumbing | Durango Plumbing | — | (760) 272 1841 | Other | Indio Hills · Riverside County | — | — |
| Durango Tile | Durango Tile | — | (951) 287 8853 | Other | Perris · Riverside County | — | — |
| Durazo Floor Covering | Salvador Lares | — | (951) 326 6639 | Other | Lake Elsinore · Riverside County | — | — |
| Durston Builders | Durston Builders | — | (949) 426 7078 | GC, remodel, ADU | Canyon Lake · Riverside County | — | — |
| Dustie Vaughn Construction | Dustie James Vaughn | — | (562) 449 7942 | Electricians | Riverside · Riverside County | — | — |
| Dutchman Construction | Michael Eric Vander Meulen | — | (951) 515 0263 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Dutchmen Construction Incorporated | Taylor Wayne Boersma | — | (951) 796 2800 | Other roofers | Hemet · Riverside County | — | — |
| Duty Scaffold INC | Omar Campos | — | (714) 770 7962 | Other | Perris · Riverside County | — | — |
| Dw Millwork Construction INC | Derek William Wayne | — | (714) 485 2264 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Dwf Exterior Solutions | Dwf Exterior Solutions | — | (951) 595 4646 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Dwm Construction | Dezmond Whitney Mcdowell | — | (760) 521 2902 | GC, remodel, ADU | Wildomar · Riverside County | — | — |
| Dx Mechanical Air LLC | Benjamin Edward Padilla | b_padilla@dxmechanicalair.com | (951) 903 3196 | HVAC | Eastvale · Riverside County | — | — |
| Dye Pool Company INC | Evan David Dye | — | (909) 810 9623 | Pool | Moreno Valley · Riverside County | — | — |
| Dylan Carrillo | Dylan Carrillo | — | (951) 239 5491 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Dylan Scott Construction | David Dylan Scott Thomas | — | (805) 390 8570 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Dymax Construction And Flooring | Troy Howard Grover | — | (714) 749 4450 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Dynamic Air Conditioning & Heating | Eduardo Fuentes Garcia | — | (760) 485 0459 | HVAC | La Quinta · Riverside County | — | — |
| Dynamic Air Conditioning And Heating | Michael Bruno Calabretta | — | (714) 422 4862 | HVAC | Riverside · Riverside County | — | — |
| Dynamic Air Pressure | Dynamic Air Pressure | — | (951) 261 6193 | HVAC | Jurupa Valley · Riverside County | — | — |
| Dynamic Build Solutions | Dynamic Build Solutions | — | (714) 600 5584 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Dynamic Concept Builders | Dynamic Concept Builders | — | (909) 633 9120 | Electricians | Mira Loma · Riverside County | — | — |
| Dynamic Construction Of Ca | Cassie Parcell | — | (951) 757 6405 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Dynamic Garage Door Service | Matthew Stephen Woolston | — | (951) 541 0460 | Other | Murrieta · Riverside County | — | — |
| Dynamic Patio Covers | Dynamic Patio Covers | — | (951) 772 1234 | Other | Lake Elsinore · Riverside County | — | — |
| Dynamic Restaurant Equipment Installations LLC | Ibarra David | — | (626) 341 3116 | Other | Moreno Valley · Riverside County | — | — |