| Rgr Construction | Ricardo Gil | — | (323) 382 8558 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Rh Plumbing Specialist | Rh Plumbing Specialist | — | (818) 652 0480 | Other | Simi Valley · Ventura County | — | — |
| Rhino Construction | Scott Steven Reinhardt | — | (805) 530 0970 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Rhino Group INC | Scott Steven Reinhardt | — | (805) 530 0970 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Rhino Plumbing & Drain Cleaning INC | Tim Tuzak | — | (805) 320 5984 | Other | Ventura · Ventura County | — | — |
| Rhonda Bradbury Roofing And Construction INC | Yvonne Suzana Carreno-Phipps | — | (805) 501 7413 | Other roofers | Simi Valley · Ventura County | — | — |
| Ricardo Alvarez | Ricardo Alvarez | — | (805) 217 8271 | Other | Santa Paula · Ventura County | — | — |
| Ricardo Ortiz | Ricardo Ortiz | — | (805) 774 9097 | GC, remodel, ADU | Fillmore · Ventura County | — | — |
| Rice Construction Company INC | Karen Rose Rice | — | (805) 551 3477 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Rich Drywall INC | Susan Ruby Arriaran | — | (818) 335 8667 | Other | Ventura · Ventura County | — | — |
| Richard A Reed Backhoe Service INC | Richard Albert Reed | — | (805) 641 3478 | Other | Ventura · Ventura County | — | — |
| Richard Andrew Rhone Iii | Richard Andrew Rhone Iii | — | (805) 453 0412 | Other | Oak View · Ventura County | — | — |
| Richard C Dunn | Richard C Dunn | — | (805) 794 0035 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Richard D Smith | Richard D Smith | — | (805) 991 7780 | Other | Simi Valley · Ventura County | — | — |
| Richard Dean Mc Graw DBA Richard's Plumbing | Richard's Plumbing | — | (805) 492 2059 | Other | Thousand Oaks · Ventura County | — | — |
| Richard Doss Construction | Richard Alan Doss | — | (805) 320 4532 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Richard Fannin Roofing | Richard W Fannin | — | (805) 526 8045 | Other roofers | Simi Valley · Ventura County | — | — |
| Richard Fauquier | Richard Fauquier | — | (805) 815 6653 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Richard G Magill Construction | Richard G Magill | — | (805) 217 9977 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Richard Herrera Concrete | Richard Herrera Concrete | — | (805) 444 4137 | Other | Oxnard · Ventura County | — | — |
| Richard Lawson | Richard Lawson | — | (805) 849 7263 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Richard Legere | Richard Legere | — | (909) 261 6401 | HVAC | Camarillo · Ventura County | — | — |
| Richard Miller | Richard Miller | — | (805) 558 2883 | Other | Simi Valley · Ventura County | — | — |
| Richard Miller Plumbing | Richard Miller Plumbing | — | (805) 432 4986 | Other | Camarillo · Ventura County | — | — |
| Richard Read | Richard Read | — | (818) 554 9272 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Richard W Herman INC | Richard Wesley Jr Herman | — | (805) 484 8516 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Richard W Reidy | Richard W Reidy | — | (805) 701 3108 | Other | Ventura · Ventura County | — | — |
| Richards's Construction Co | Richard Pete Jr Ruiz | — | (805) 732 9683 | Other | Somis · Ventura County | — | — |
| Richter Specialty Construction | Eric Martin Richter | eric@richtercon.com | (805) 520 2772 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Rick Barona Concrete Construction | Rick Anthony Barona | — | (805) 583 0402 | Other | Simi Valley · Ventura County | — | — |
| Rick Brattoli Contractor | Rick Brattoli Contractor | — | (818) 426 6949 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Rick Coletta Concrete | Rick Coletta Concrete | — | (805) 990 1327 | Other | Thousand Oaks · Ventura County | — | — |
| Rick Henderson Concrete Construction | Richard Frank Henderson | — | (805) 646 9540 | Other | Ojai · Ventura County | — | — |
| Rick Lipman Builder | Rick Lipman Builder | — | (805) 279 0929 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Rick Rowan Construction And Profence | Richard Coleman Rowan | — | (818) 317 8884 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Rick Wessels Masonry | Rick Wessels Masonry | — | (805) 358 6141 | Other | Newbury Park · Ventura County | — | — |
| Rick's Professional Floors | Rick's Professional Floors | — | (805) 832 9140 | Other | Ventura · Ventura County | — | — |
| Rickie A Cox | Rickie A Cox | — | (805) 823 3886 | Other | Simi Valley · Ventura County | — | — |
| Riddell General Contracting INC | Stella Frances Riddell | — | (805) 512 1807 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Ridgewood Construction | Scott William Moncourtois | — | (805) 657 9319 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |