| Roseville Mobile Screens INC | Kurt Nicholas Koscielniak | — | (916) 850 5111 | Other | Roseville · Placer County | — | — |
| Roseville Noble Craft | Roseville Noble Craft | — | (916) 308 1974 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Roseville Overhead Door | Roseville Overhead Door | — | (916) 782 2414 | Other | Roseville · Placer County | — | — |
| Roseville Painting | Roseville Painting | — | (530) 613 8210 | Windows, patio, painters | Colfax · Placer County | — | — |
| Roseville Plumbing | Roseville Plumbing | — | (916) 783 0545 | Other | Roseville · Placer County | — | — |
| Roseville Plumbing Solutions INC | Mark Henry Ferkovich | — | (916) 474 1488 | Other | Roseville · Placer County | — | — |
| Roseville Pool Service INC | Thomas Ray Pliczka | service@rosevillepoolservice.com | (916) 791 1221 | Pool | Roseville · Placer County | — | — |
| Roseville Property Management | Roseville Property Management | hello@sacramentopmg.com | (916) 232-7649 | Property managers | Roseville · Placer County | — | — |
| Roseville Refrigeration | Roseville Refrigeration | — | (916) 782 6800 | HVAC | Roseville · Placer County | — | — |
| Roseville Remodeling Construction INC | Noland Eugene Williams | — | (916) 773 1461 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Roseville Roofing INC | Jeffery Gordon Vogt | — | (916) 791 7348 | Other roofers | Granite Bay · Placer County | — | — |
| Roseville Sheet Metal INC | Toni Marie Gish | — | (916) 782 1201 | HVAC | Roseville · Placer County | — | — |
| Roseville Tree Service | Roseville Tree Service | info@roseville-ca-tree-service.com | (916) 245-7270 | Tree | Roseville · Placer County | — | — |
| Roshan Pro Construction Builders | Farhad Roshanfar | — | (916) 949 5099 | Other | Roseville · Placer County | — | — |
| Roto Rooter Lake Tahoe | James Theodore Patterson | — | (707) 429 5151 | Other | Rocklin · Placer County | — | — |
| Round Tuit Heating And Air | Round Tuit Heating And Air | — | (888) 864 1944 | HVAC | Granite Bay · Placer County | — | — |
| Rountree Plumbing And Heating INC | Sean Michael Singewald | — | (650) 298 0300 | HVAC | Roseville · Placer County | — | — |
| Row Construction | Will Michael Wegener | — | (916) 960 7900 | Other | Roseville · Placer County | — | — |
| Rowe Giesen Tree Service | Rowe Carroll Giesen | — | (530) 559 5950 | Tree | Olympic Valley · Placer County | — | — |
| Rowley Heating And Air | Rowley Heating And Air | — | (530) 277 3260 | HVAC | Alta · Placer County | — | — |
| Roy Lokna Viking Construction & Electric | Roy Anker Lokna | — | (916) 838 4055 | Electricians | Newcastle · Placer County | — | — |
| Royal Brush Painting Co | Gregory Alan Maupin | — | (916) 532 4909 | Windows, patio, painters | Lincoln · Placer County | — | — |
| Royal Signs & Graphics INC | Ala B Haddad | — | (916) 960 8483 | Other | Auburn · Placer County | — | — |
| Royalty Heating & Air INC | Jason Patrick Walker | service@royaltyheatingair.com | (916) 824 4288 | HVAC | Roseville · Placer County | — | — |
| Rozell Painting INC | William Thomas Rozell | — | (530) 269 2807 | Windows, patio, painters | Auburn · Placer County | — | — |
| Rpm Pools INC | Scott Jason Mendez | — | (916) 953 2155 | Pool | Rocklin · Placer County | — | — |
| Rre INC Electrical Contractor | Kevin Michael Amaral | — | (916) 813 3008 | Electricians | Roseville · Placer County | — | — |
| Rs Iron Work INC | Edgar Ricardo Sanchez Gonzalez | — | (916) 289 3977 | Other | Roseville · Placer County | — | — |
| Rs Landworks | Rs Landworks | — | (530) 368 7892 | Windows, patio, painters | Meadow Vista · Placer County | — | — |
| Rua & Son Mechanical Incorporated | Luis Ignacio Rua | — | (916) 543 9360 | Other roofers | Rocklin · Placer County | — | — |
| Ruddell Construction Services | Dane Edward Ruddell | — | (916) 769 3859 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Ruhkala Construction | Gabriel Ruben Ruhkala | — | (916) 316 3248 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Ruhkala Granite & Marble Co INC | Paul Roy Ruhkala | — | (916) 624 1176 | Other | Rocklin · Placer County | — | — |
| Russ Viehmann Electric | Russell William Viehmann | — | (530) 386 0197 | Electricians | Tahoe City · Placer County | — | — |
| Russell Anthony Dawson | Russell Anthony Dawson | — | (916) 470 6737 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Russell Anthony Genovia | Russell Anthony Genovia | — | (916) 300 2663 | Other | Applegate · Placer County | — | — |
| Russell Construction | Michael John Russell | — | (916) 425 3282 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Russell Dodge | Russell Dodge | — | (530) 581 2490 | Other | Tahoe City · Placer County | — | — |
| Russell Fleming Construction | Russell Lynn Fleming | — | (916) 712 7072 | HVAC | Applegate · Placer County | — | — |
| Russell Manley Construction | Russell John Ii Manley | — | (916) 316 0671 | GC, remodel, ADU | Roseville · Placer County | — | — |