| Da Vinci Painting | Da Vinci Painting | — | (760) 799 4063 | Windows, patio, painters | Desert Hot Springs · Riverside County | — | — |
| Daart Engineering Company INC | Robert Valentine Pfeifer | — | (909) 888 8696 | Other | Wildomar · Riverside County | — | — |
| Dads Heating & Air Conditioning INC | Danny Wayne Sadek | — | (760) 743 4037 | HVAC | Temecula · Riverside County | — | — |
| Daf Construction LLC | David Anthony Fernandez | — | (951) 623 7229 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Daily Plumbing And Drain Experts INC | Campos Adalberto | — | (310) 740 5718 | Other | Murrieta · Riverside County | — | — |
| Dakeno INC | Michael Kenneth Miller | — | (951) 686 6608 | Other | Riverside · Riverside County | — | — |
| Dale Construction INC | Steven Earl Dale | — | (951) 217 4256 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Dale G Earnshaw Painting | Dale G Earnshaw Painting | — | (310) 466 2389 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Dale Green Plumbing | Dale Green Plumbing | — | (951) 533 3306 | Other | Riverside · Riverside County | — | — |
| Dale Plumbing | Dale Plumbing | — | (951) 216 5330 | GC, remodel, ADU | Hemet · Riverside County | — | — |
| Dalinghaus Construction INC | Bradley Allan Dalinghaus | — | (877) 360 9227 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Dalke & Sons Construction INC | Troy Eugene Dalke | — | (951) 274 9880 | Electricians | Riverside · Riverside County | — | — |
| Dallas Clayton Tile | Dallas Clayton Tile | — | (951) 377 9694 | Other | Riverside · Riverside County | — | — |
| Dalley Construction | Karlee Jo Dalley | — | (702) 277 3278 | GC, remodel, ADU | San Jacinto · Riverside County | — | — |
| Dame's Hardwood Flooring INC | Erick Armando Damian | — | (323) 986 0936 | Other | Jurupa Valley · Riverside County | — | — |
| Damian Cory Construction | Damian Andrew Sr Cory | — | (951) 400 6542 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Damian Delapp Builders | Damian Delapp Builders | — | (951) 283 4370 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Damian's Hardwood Flooring INC DBA Armando's Carpet | Erick Armando Damian | — | (323) 595 2650 | Other | Jurupa Valley · Riverside County | — | — |
| Damon Elder's Painting | Damon Elder's Painting | — | (951) 837 6561 | Windows, patio, painters | Wildomar · Riverside County | — | — |
| Damon's Painting | Damon's Painting | — | (518) 365 8713 | Windows, patio, painters | Desert Hot Springs · Riverside County | — | — |
| Dan Birch's Custom Blinds & Shutters | Daniel Wayne Birch | — | (951) 440 3331 | Other | Canyon Lake · Riverside County | — | — |
| Dan Clark Tile INC | Daniel Thomas Clark | — | (951) 736 7440 | Other | Corona · Riverside County | — | — |
| Dan Curtis Heating Air Conditioning And Plumbing | Danny Joe Curtis | — | (760) 831 9582 | HVAC | Palm Springs · Riverside County | — | — |
| Dan Dwyer Construction | Danny Michael Dwyer | — | (951) 757 4315 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Dan Madrid's Custom Coatings | Dan Madrid's Custom Coatings | — | (562) 818 2457 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Dan Marana Construction | Edward Daniel Marana | — | (951) 492 1062 | GC, remodel, ADU | Hemet · Riverside County | — | — |
| Dan Messina | Dan Messina | — | (909) 224 9995 | GC, remodel, ADU | Idyllwild · Riverside County | — | — |
| Dan Only HVAC INC | Daniel Joseph Cornelius | — | (760) 600 2585 | HVAC | Indian Wells · Riverside County | — | — |
| Dan Prinzi Construction Company | Daniel Robert Prinzi | — | (310) 308 7876 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Dan Sheer | Dan Sheer | — | (951) 683 7925 | HVAC | Riverside · Riverside County | — | — |
| Dan Terrell Shower Doors | Dan Terrell Shower Doors | — | (714) 299 7858 | Other | Riverside · Riverside County | — | — |
| Dan Tipton | Dan Tipton | — | (760) 409 1527 | Electricians | Palm Springs · Riverside County | — | — |
| Dan's Air Conditioning Service | Daniel William Closson | — | (951) 377 7618 | HVAC | Cherry Valley · Riverside County | — | — |
| Dana George Brizzolara | Dana George Brizzolara | — | (951) 760 4702 | Other | Murrieta · Riverside County | — | — |
| Dana's Plumbing | Dana's Plumbing | — | (951) 308 1284 | Other | Murrieta · Riverside County | — | — |
| Danbar Construction | Daniel James Barrera | — | (951) 212 3037 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Danco Companies | Danco Companies | — | (626) 966 5401 | HVAC | Eastvale · Riverside County | — | — |
| Danfel Corporation DBA H D Paint Co | Hector Daniel Morales | — | (951) 837 1207 | Windows, patio, painters | Temecula · Riverside County | — | — |
| Daniel A Schwartz | Daniel A Schwartz | — | (951) 338 8680 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Daniel Adams Owf | Daniel Adams Owf | — | (714) 453 7827 | Other | Temecula · Riverside County | — | — |