| Robert Hopkins Construction | Robert Michael Hopkins | — | (661) 865 6317 | Other | Bakersfield · Kern County | — | — |
| Robert James Sawyer | Robert James Sawyer | — | (661) 421 0953 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Robert James Smith Construction | Robert James Smith | jim_smith05@yahoo.com | (760) 812 7808 | GC, remodel, ADU | Lake Isabella · Kern County | — | — |
| Robert K Weisberg | Robert K Weisberg | — | (661) 333 2341 | Electricians | Frazier Park · Kern County | — | — |
| Robert L Stewart DBA New Image Builders | New Image Builders | — | (661) 322 6681 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Robert Munoz | Robert Munoz | — | (661) 246 6797 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Robert Nacho Rodriguez | Robert Nacho Rodriguez | — | (661) 979 8961 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Robert Paramo's Electrical Services | Robert Rios Paramo | — | (661) 342 2715 | Electricians | Bakersfield · Kern County | — | — |
| Robert Rose Home Repair | Robert Rose Home Repair | — | (661) 332 2451 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| Robert S Hoffman Contractor LLC | Robert Scott Hoffman | — | (661) 599 5523 | Other | Bakersfield · Kern County | — | — |
| Robert Wattenbarger | Robert Wattenbarger | — | (661) 747 9839 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Roberto Carcamo | Roberto Carcamo | — | (818) 310 6078 | HVAC | Bakersfield · Kern County | — | — |
| Roberto Carlos Rodriguez | Roberto Carlos Rodriguez | — | (661) 636 8844 | Other roofers | Bakersfield · Kern County | — | — |
| Roberts Electric INC | Thomas Russell Roberts | — | (661) 606 9104 | Electricians | Bakersfield · Kern County | — | — |
| Robertson General Contractor | Robertson General Contractor | — | (661) 808 9670 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Robinson's Handyworks | Robinson's Handyworks | — | (661) 348 5008 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Robles Marble & Granite INC | Floriberto Manuel Robles Soriano | — | (760) 207 7829 | Other | Bakersfield · Kern County | — | — |
| Rocco's Excavation INC | Vito Michel Ferrin | — | (661) 972 2152 | GC, remodel, ADU | Tehachapi · Kern County | — | — |
| Rocha Drywall | Rocha Drywall | — | (661) 557 0487 | Other | Bakersfield · Kern County | — | — |
| Rock Bottom INC | Suzanne Lee Holmes | — | (661) 859 1700 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Rocky Concrete INC | Carlos David Millan Munoz | — | (661) 378 8784 | Windows, patio, painters | Bakersfield · Kern County | — | — |
| Rockys Electric | Rocky Lee Pritzkau | — | (661) 978 0015 | Electricians | Bakersfield · Kern County | — | — |
| Rod Almstrom Plastering | Rod Almstrom Plastering | — | (661) 201 8269 | Other | Bakersfield · Kern County | — | — |
| Rod Guinn's Flooring | Rod Guinn's Flooring | — | (661) 477 6357 | Other | Bakersfield · Kern County | — | — |
| Rod Janzen Construction | Rodney Paul Janzen | — | (661) 549 7910 | GC, remodel, ADU | Shafter · Kern County | — | — |
| Rod Paine Construction | Rodney Lee Paine | — | (661) 332 4549 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Rodrigo Arellano Iii | Rodrigo Arellano Iii | — | (661) 563 0851 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Rodrigo's Handyman Services | Tecuapetla Perez Rodrigo | — | (661) 747 5277 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Rodrigue Construction | Steven Matthew Rodrigue | — | (661) 247 5506 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Rodriguez & Perez Construction LLC | Robert Nacho Rodriguez | — | (661) 979 8961 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Rodriguez Concrete | Rodriguez Concrete | — | (661) 340 5036 | Other | Bakersfield · Kern County | — | — |
| Rojas Building Solutions INC | Martinez Candido Rojas | — | (661) 440 0849 | GC, remodel, ADU | Lebec · Kern County | — | — |
| Roland Halford Construction | Roland Karl Halford | — | (661) 858 6526 | GC, remodel, ADU | Bakersfield · Kern County | — | — |
| Roland Muller Construction | Roland Arthur Muller | — | (661) 578 1231 | GC, remodel, ADU | Frazier Park · Kern County | — | — |
| Roman Rooter Plumbing | Roman Rooter Plumbing | — | (760) 614 0702 | Other | Kernville · Kern County | — | — |
| Ron Gardner Drywall | Ron Gardner Drywall | — | (661) 472 7247 | Other | Bakersfield · Kern County | — | — |
| Ron James Plumbing | Ron James Plumbing | — | (661) 203 3791 | Other | Bakersfield · Kern County | — | — |
| Ron Maddox Electrical | Ronald Dean Maddox | — | (661) 428 7060 | Electricians | Bakersfield · Kern County | — | — |
| Ron Mauldin Construction | Ronnie Lee Mauldin | — | (661) 209 6196 | GC, remodel, ADU | Rosamond · Kern County | — | — |
| Ron Mills Electric | Ronald Wayne Mills | — | (661) 203 4034 | Electricians | Bakersfield · Kern County | — | — |