| Rayo Remodeling | Rayo Remodeling | — | (408) 375 8874 | Electricians | Penn Valley · Nevada County | — | — |
| Rca Properties LLC | Ryan Michael Davis | — | (916) 337 0662 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Rector Plumbing & Radiant Heating | Rector Plumbing & Radiant Heating | — | (530) 205 7521 | HVAC | Chicago Park · Nevada County | — | — |
| Red Hawk Company | Gary Alan Graves | — | (916) 206 8397 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Red Rocks Excavation | Red Rocks Excavation | redrocksexcavation@gmail.com | (530) 744 0310 | Other | Penn Valley · Nevada County | — | — |
| Redpoint Construction | Devin Alexander Adami | — | (925) 785 8677 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Regeneration Homes | Regeneration Homes | — | (530) 798 8922 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Regulation Plumbing | Regulation Plumbing | — | (808) 220 7794 | Other | Truckee · Nevada County | — | — |
| Reisinger Construction | Timothy James Reisinger | — | (760) 201 3805 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Rescom Steel INC | John Joseph O'shea | rescomsteel@gmail.com | (415) 613 5841 | Other | Grass Valley · Nevada County | — | — |
| Revision Custom Concrete Coatings | Revision Custom Concrete Coatings | — | (530) 382 1640 | Other | Grass Valley · Nevada County | — | — |
| Reyes General Construction LLC | Francisco Javier Reyes-corral | — | (775) 813 7765 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Rgs Construction LLC | Mark Gerald Root | — | (530) 392 2709 | GC, remodel, ADU | Chicago Park · Nevada County | — | — |
| Rh Fencing Co | Ryan Steven Hudgins | info@rhfencing.co.uk | (916) 995 9336 | Other | Grass Valley · Nevada County | — | — |
| Rich Baucum Painting | Rich Baucum Painting | — | (530) 559 5464 | Windows, patio, painters | Penn Valley · Nevada County | — | — |
| Richard A Spencer | Richard A Spencer | — | (530) 308 2373 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Richard Allen Flooring | Richard Allen Flooring | — | (530) 362 0567 | Other | Penn Valley · Nevada County | — | — |
| Richard Gerard Taggart | Richard Gerard Taggart | — | (530) 277 5466 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Richard Giordani General Contractor | Richard Giordani General Contractor | — | (530) 545 0171 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Richard Kretzschmar | Richard Kretzschmar | — | (530) 277 5231 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Richard Mayer Tile | Richard Mayer Tile | — | (530) 446 3280 | Other | Grass Valley · Nevada County | — | — |
| Richard Mick | Richard Mick | — | (916) 640 3403 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Richard S Boelk | Richard S Boelk | — | (530) 587 1213 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Richard S Randall | Richard S Randall | — | (530) 906 4138 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Rick Bacon Plumbing | Rick Bacon Plumbing | — | (530) 265 8500 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Rick Bringel Construction | Rick Patrick Bringel | — | (510) 867 4135 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Rick Martin Construction & General Engineering Corp | Richard Harold Martin | — | (530) 426 3959 | GC, remodel, ADU | Soda Springs · Nevada County | — | — |
| Rickenbach Development & Construction INC | Andreas Nicholas Rickenbach | — | (530) 412 0503 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Ridge Construction | Christopher Blu Edmondson | info@ridge-construction.com | (530) 913 8834 | GC, remodel, ADU | North San Juan · Nevada County | — | — |
| Ridge Logging INC | Brian Lee Forkner | admin@ridgelogging.com | (530) 265 3535 | Tree | Nevada City · Nevada County | — | — |
| Ridge Plumbing | Ridge Plumbing | — | (530) 265 6524 | Other | Nevada City · Nevada County | — | — |
| Ridgeline Builders INC | Greg Ronald Starks | — | (530) 559 3363 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Right On Tile Installation | Right On Tile Installation | — | (530) 360 6541 | Other | Soda Springs · Nevada County | — | — |
| Righteous Construction INC | Joel Stanley Emanuel Dunbar | — | (530) 210 8261 | GC, remodel, ADU | Rough And Ready · Nevada County | — | — |
| Riley's Hardwood Flooring | Riley's Hardwood Flooring | — | (530) 362 0553 | Other | Grass Valley · Nevada County | — | — |
| Rivard Electric | Eric Lee Rivard | — | (530) 550 8303 | Electricians | Truckee · Nevada County | — | — |
| Ro Builders INC | Oscar Nunez | — | (530) 210 0575 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Robert Batchelder | Robert Batchelder | — | (530) 205 0083 | GC, remodel, ADU | North San Juan · Nevada County | — | — |
| Robert Carl Eiermann | Robert Carl Eiermann | — | (530) 559 1639 | GC, remodel, ADU | North San Juan · Nevada County | — | — |
| Robert Conklin Concrete | Robert Conklin Concrete | — | (530) 414 1031 | Other | Truckee · Nevada County | — | — |