| Red Line Siding INC | Joshua Martin Richmond | — | (925) 300 7944 | Windows, patio, painters | Lincoln · Placer County | — | — |
| Red Line Specialty Siding | Joshua Martin Richmond | — | (925) 300 7944 | Windows, patio, painters | Lincoln · Placer County | — | — |
| Red Mountain Construction | Alexandru Marcu Nerghes | — | (916) 595 2878 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Red Rock Construction & Drywall | Richard Eugene Putnam | — | (530) 613 2697 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Redfern & Redfern Plumbing | Robert Allen Sr Redfern | — | (530) 308 4233 | Other | Meadow Vista · Placer County | — | — |
| Reese Love | Reese Love | — | (916) 813 8140 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Reeve-knight Construction INC | Robert Howell Reeve | — | (916) 865 1500 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Reform Cabinets INC DBA Reform Builders | Valentin Aleksandrovi Pavliy | — | (916) 571 4355 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Reform Construction | Dimitry Anatolievich Melnichuk | m2gcustomdesigns@gmail.com | (916) 742 3564 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Regal Fence And Iron Works | Regal Fence And Iron Works | — | (916) 919 7579 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Regency Development LLC | Gregory John Trujillo | interested@domainmarket.com | (530) 308 3207 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Reikko Builders | Reikko Builders | — | (650) 346 6996 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Reineke Building | Richard Harry Reineke | — | (916) 343 3805 | Other roofers | Granite Bay · Placer County | — | — |
| Reliable Construction Solutions | Shakib Ahmad Waheedi | — | (916) 532 6132 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Reliable Exteriors | Jamie Lee Brott | — | (916) 918 3990 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Reliable Roofing Loomis LLC | Hernandez Palafox Ramiro | rhreliableroofing@gmail.com | (916) 793 0077 | Other roofers | Loomis · Placer County | — | — |
| Reliabuild Construction | Leonid Petrovitch Kotyakov | — | (916) 222 1000 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Remington Construction & Engineering INC | Patrick Carl Remington | — | (916) 539 3753 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Remodel California | Remodel California | — | (916) 330 9886 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Remodel One | Jason Brock Lewis | — | (916) 334 4444 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Renaissance Builders Group INC | Raul Both | — | (916) 622 6550 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Renaissance Construction | Grant Jr Smith | — | (916) 501 7377 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Renaissance Constructions | Renaissance Constructions | — | (916) 910 5621 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Renaissance Floors | Renaissance Floors | — | (916) 749 0272 | Other | Roseville · Placer County | — | — |
| Render Drywall | Render Drywall | — | (530) 554 3835 | Other | Roseville · Placer County | — | — |
| Renee I Toth | Renee I Toth | — | (916) 960 3499 | Electricians | Roseville · Placer County | — | — |
| Renovation Solutions | Viktor Tsering | — | (916) 712 1525 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Renovation Solutions | Renovation Solutions | — | (916) 580 8889 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Rentpros Property Management | Rentpros Property Management | hello@rentpros.com | (916) 789-3500 | Property managers | Roseville · Placer County | — | — |
| Resort Builders INC | Bruce Wayne Kuecker | — | (530) 906 8438 | GC, remodel, ADU | Tahoe Vista · Placer County | — | — |
| Retrac Plumbing | Retrac Plumbing | — | (916) 601 5850 | Other | Rocklin · Placer County | — | — |
| Reuter & Sons Construction INC | Ryan David Reuter | — | (916) 871 7507 | GC, remodel, ADU | Colfax · Placer County | — | — |
| Reuter Tile Co | David Harold Reuter | — | (916) 791 0290 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Revision Services LLC | Tyler Ray Hawkins | — | (916) 888 9000 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Revitalize Construction | Zachary Ryan Barsuglia | — | (916) 619 6132 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Revive & Rebuild INC | Paul Myron Wood | — | (916) 476 1495 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Revive Landscaping | Revive Landscaping | impallari@gmail.com | (916) 704 2997 | Windows, patio, painters | Newcastle · Placer County | — | — |
| Revolt Restorations INC | Viktor Okunev | — | (916) 240 9836 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Rhodes Roofing LLC | Justin Dale Rhodes | — | (916) 715 7295 | Other roofers | Rocklin · Placer County | — | — |
| Riboni Painting | James Henry Riboni | — | (530) 885 9975 | Windows, patio, painters | Auburn · Placer County | — | — |