| Rich Custer's Junk Hauling | Rich Custer's Junk Hauling | — | (916) 519 0668 | Other | Loomis · Placer County | — | — |
| Richard Bushong Roofing | Richard Brawdus Bushong | — | (916) 616 5761 | Other roofers | Auburn · Placer County | — | — |
| Richard De Koning Const | Richard De Koning Const | — | (916) 765 2119 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Richard E Quadros | Richard E Quadros | — | (530) 401 2026 | GC, remodel, ADU | Kings Beach · Placer County | — | — |
| Richard Faherty HVAC Man | Richard Faherty HVAC Man | — | (916) 532 3910 | HVAC | Rocklin · Placer County | — | — |
| Richard Gomez Construction | Gomez Richard | — | (530) 305 8848 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Richard Gragg Ornamental | Richard Gragg Ornamental | — | (916) 847 8733 | Other | Penryn · Placer County | — | — |
| Richard Michael Tuft | Richard Michael Tuft | — | (530) 320 8984 | Other | Meadow Vista · Placer County | — | — |
| Richard Neal | Richard Neal | — | (530) 885 0821 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Richard Rybak Contractor | Richard Rybak Contractor | — | (916) 995 3424 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Richard Sior DBA Sior Sign Company | Richard Alan Sior | — | (530) 776 0901 | Other | Auburn · Placer County | — | — |
| Richard Venegas DBA Venegas Construction | Venegas Richard | — | (916) 765 2763 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Richards Painting INC | Steven Alan Richards | — | (916) 772 3992 | Windows, patio, painters | Rocklin · Placer County | — | — |
| Ridge Electric Telecommunications INC | Curt Michael Henningsen | — | (916) 257 4109 | Electricians | Roseville · Placer County | — | — |
| Right Striping | William Frederick Everhart | rightstriping@gmail.com | (530) 210 8825 | Other | Colfax · Placer County | — | — |
| Rightway Plumbing Sewer And Drain Services LLC | Nickolas Mathon Camuso | — | (916) 926 0602 | Other | Lincoln · Placer County | — | — |
| Rigid Roofing Corp | Sergey Karelson | — | (916) 747 1010 | Other roofers | Colfax · Placer County | — | — |
| Riker Painting | Riker Painting | — | (916) 847 9008 | Windows, patio, painters | Roseville · Placer County | — | — |
| Riley Barry Masonry | Riley Barry Masonry | contact@sansoxygen.com | (916) 223 8861 | Other | Granite Bay · Placer County | — | — |
| Rincan Painting & Decorating INC | Juan Jose Rincan-Rivera | — | (510) 717 8125 | Windows, patio, painters | Roseville · Placer County | — | — |
| Rinker Mechanical Services INC | Steve John Rinker | — | (916) 213 1463 | HVAC | Auburn · Placer County | — | — |
| Rinnovo Group INC | Dennis Socolean | info@rinnovogroup.com | (916) 833 2998 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Riordan Land Management | Riordan Land Management | — | (916) 206 4403 | Other | Roseville · Placer County | — | — |
| Rios Construction | Daniel Patrick Rios | zcrios@cox.net | (916) 204 9899 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Risecon North America Corp | Vianney Domenique Montes | — | (916) 378 7878 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Rite Choice Stump Grinding LLC | Kevin Dominguez Buckman | — | (530) 686 7643 | Other | Homewood · Placer County | — | — |
| Rivard's Earthworks INC | Mark Daniel Rivard | rivardsearthworks@gmail.com | (530) 736 3881 | Other | Rocklin · Placer County | — | — |
| Rivas Landscaping | Rivas Landscaping | info@rivaslandscaping.com | (916) 247 2482 | Windows, patio, painters | Lincoln · Placer County | — | — |
| River City Electric | Darren Joe Trone | — | (916) 344 4700 | Electricians | Rocklin · Placer County | — | — |
| River City Islands INC | Mike Anthony Avila | — | (916) 335 1372 | GC, remodel, ADU | Auburn · Placer County | — | — |
| River City Landscaping Incorporated | Ricardo A Abalos | — | (916) 729 3586 | Windows, patio, painters | Roseville · Placer County | — | — |
| River City Patio Covers | River City Patio Covers | — | (916) 676 3151 | Windows, patio, painters | Roseville · Placer County | — | — |
| River City Plastics INC | Michael Brooks Ledbetter | impallari@gmail.com | (916) 408 5021 | Other | Rocklin · Placer County | — | — |
| River City Signs | River City Signs | — | (916) 396 0096 | Other | Roseville · Placer County | — | — |
| River Rock Landscaping | River Rock Landscaping | landscaperiverrock@gmail.com | (916) 600 2546 | Windows, patio, painters | Lincoln · Placer County | — | — |
| Riverland Homes INC | Tanner Bradford Judkins | — | (916) 850 0536 | Electricians | Roseville · Placer County | — | — |
| Rjo Energy Resources INC | Robert John Orozco | — | (916) 532 9410 | Electricians | Rocklin · Placer County | — | — |
| Rlc Construction INC | Ryan Lewis Cox | — | (530) 401 5736 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Rm Home Renovations | Rm Home Renovations | — | (916) 580 7178 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Rm Loomis Construction | Timothy C Merry | — | (916) 652 8828 | GC, remodel, ADU | Loomis · Placer County | — | — |