| Provident Construction | Brian Fredric Van Rheenen | — | (925) 915 9310 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Puccio Construction | Michael Allen Puccio | — | (530) 550 1292 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Pure Living Water | Pure Living Water | — | (530) 263 0153 | Other | Cedar Ridge · Nevada County | — | — |
| Pure Quality Painting INC | Urbano Vivanco-Duran | purequalitypainting@gmail.com | (530) 536 5037 | Windows, patio, painters | Truckee · Nevada County | — | — |
| Quality Heating & Cooling INC | Craig Richard Wagnecht | — | (530) 210 1813 | HVAC | Nevada City · Nevada County | — | — |
| Quality Lighting Company INC | Paul Nicholas Ivazes | — | (530) 268 3795 | Electricians | Grass Valley · Nevada County | — | — |
| Quality Tree Service | Terry Joseph Parish | — | (530) 346 9336 | Tree | Grass Valley · Nevada County | — | — |
| Quartz Engineering And Development | Quartz Engineering And Development | — | (530) 205 0040 | GC, remodel, ADU | Penn Valley · Nevada County | — | — |
| Quartz Ridge Construction | Jacob Ryan Daley | — | (530) 588 4487 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Quick Response Septic & Portable Toilet Rentals | Brian Eugene South | — | (530) 273 7538 | Other | Grass Valley · Nevada County | — | — |
| Quiggle Construction | John Parker Quiggle | — | (925) 899 9591 | Other | Penn Valley · Nevada County | — | — |
| Quinn Construction | William Arlen Quinn | — | (925) 381 4631 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Quinntin P Butler Construction | Quinntin Patrick Butler | — | (530) 414 1049 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Quintana Brothers & Associates Limited Liability Company | Jeffrey Peter Klus | — | (800) 615 7426 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| R & R General Contracting LLC | James Michael Reed | — | (530) 277 9803 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| R & R Plumbing Works | R & R Plumbing Works | info@indiantypefoundry.com | (530) 913 7473 | Other | Grass Valley · Nevada County | — | — |
| R A St Germain | R A St Germain | — | (530) 320 3487 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| R D Custom Homes & Son | Defort Rafael | — | (530) 913 4384 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| R E Mc Collum Construction INC | Robert Edgar Mc Collum | — | (530) 432 7625 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| R H C | R H C | — | (530) 277 2956 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| R H J Construction | Robert Hamilton Jamison | — | (530) 386 7748 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| R J Liller Electric | Rewa Johannes Liller | — | (530) 913 3111 | Electricians | Nevada City · Nevada County | — | — |
| R K C O Construction | Richard William Kendrick | — | (530) 277 4628 | Electricians | Grass Valley · Nevada County | — | — |
| R K R Construction And Development | Kurt Scott Reichel | — | (530) 913 2023 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| R K T Construction | Richard Kevin Taylor | — | (530) 412 0240 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| R L Elmore Construction | Randal Lee Elmore | — | (530) 217 8789 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| R L Holderbein Construction INC | Robert Lewis Ii Holderbein | — | (530) 559 0640 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| R P Construction | Perminas Remigijus | — | (630) 618 1272 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| R W Hays Construction | Roy Wayne Hays | — | (530) 432 5196 | GC, remodel, ADU | Penn Valley · Nevada County | — | — |
| R&b Electric | Cody Mikel Mcclure | — | (530) 362 6946 | Electricians | Grass Valley · Nevada County | — | — |
| R+r Plumbing Company | Juan Manuel Rodriguez | — | (530) 477 2749 | Other | Grass Valley · Nevada County | — | — |
| Rafael Home Services | Rafael Villanueva Velasco | — | (530) 414 3801 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Rak Development | Rak Development | — | (530) 308 7402 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Rake Landscaping And Snow Removal INC | Jason Michael Deherrera | — | (530) 448 6872 | Windows, patio, painters | Truckee · Nevada County | — | — |
| Ralphies Concrete Services INC | Rafael Zamudio Montejano | — | (530) 913 2573 | Other | Grass Valley · Nevada County | — | — |
| Ram Construction | Richard Antonio Marcucci | — | (530) 913 3709 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Ramey Tile Company | Richard Steven Ramey | — | (530) 273 4564 | Other | Cedar Ridge · Nevada County | — | — |
| Randy W Bunnell Co | Randy Wayne Bunnell | — | (530) 277 4474 | GC, remodel, ADU | Penn Valley · Nevada County | — | — |
| Raven Homes | Raven Homes | — | (530) 386 6131 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Raymond Thompson Tile | Raymond Thompson Tile | — | (530) 913 3970 | Other | Grass Valley · Nevada County | — | — |