| Quality Over Construction INC | Jose Luis Santiago Pablo | — | (831) 582 8395 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| Quality Plumbing Associates INC | Armando Pena Vargas | — | (831) 775 0655 | Other | Salinas · Monterey County | — | — |
| Quality Water Enterprises | Joseph M Hebert | — | (831) 755 0500 | Other | Salinas · Monterey County | — | — |
| Quezada Tree Care LLC | Quezada Raul | — | (831) 869 1436 | Windows, patio, painters | Carmel · Monterey County | — | — |
| Quinones Landscaping INC | Jose Luis Quinones | — | (650) 509-2087 | Windows, patio, painters | Marina · Monterey County | — | — |
| Quiring Construction INC | Greg Allen Quiring | — | (559) 351 2400 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| R & F Remodels INC | Roberto Dorantes | — | (408) 591 3622 | GC, remodel, ADU | Gonzales · Monterey County | — | — |
| R & R Development | Builders Kingdom | — | (831) 236 0243 | GC, remodel, ADU | Carmel · Monterey County | — | — |
| R & R Roofing | Ryan Scott Roche | — | (831) 324 5571 | Other roofers | Moss Landing · Monterey County | — | — |
| R & S Builders Co INC | Ruiz Roberto Diaz | — | (831) 682 1526 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| R & S Erection Of Monterey Bay INC | Kevin Ray Smith | — | (831) 632 0343 | Other | Castroville · Monterey County | — | — |
| R & S Heating And Sheet Metal INC | Richard Robert Russo | — | (831) 641 0508 | HVAC | Monterey · Monterey County | — | — |
| R C Builders INC | Ramirez Santos Eduardo | — | (831) 915 0550 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| R C C General Contractor | R C C General Contractor | — | (831) 905 7808 | GC, remodel, ADU | Soledad · Monterey County | — | — |
| R C Construction | Camarena Ruben | — | (831) 229 0039 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| R C Painting Co | Ronald Douglas Curry | — | (831) 372 5600 | Windows, patio, painters | Del Rey Oaks · Monterey County | — | — |
| R C Tile & Marble | R C Tile & Marble | — | (831) 753 0700 | Other | Salinas · Monterey County | — | — |
| R E Smith Builder | R E Smith Builder | — | (831) 596 5103 | GC, remodel, ADU | Seaside · Monterey County | — | — |
| R Gain Construction | Robert David Gain | — | (831) 588 6647 | GC, remodel, ADU | Castroville · Monterey County | — | — |
| R H C INC | Ronald Raymond Himes | — | (831) 443 4101 | Other | Carmel · Monterey County | — | — |
| R H F Flooring INC | Ryan Robert Meyer | — | (831) 624 3438 | Other | Carmel · Monterey County | — | — |
| R H Framing INC | Ryan Ray Harrod | — | (831) 759 8860 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| R J A Construction | Corn Richard | — | (831) 236 4509 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| R J Flooring | R J Flooring | — | (831) 620 9221 | Other | Carmel Valley · Monterey County | — | — |
| R J L Construction | Robert Joseph Lis | — | (916) 769 7998 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| R K Wilson Plumbing | R K Wilson Plumbing | — | (831) 899 4864 | Other | Seaside · Monterey County | — | — |
| R Kristl Konstruction INC | Kristl Roman | — | (831) 277 2734 | GC, remodel, ADU | Carmel Valley · Monterey County | — | — |
| R L Construction | Robert Lee Luckert | — | (916) 287 1483 | GC, remodel, ADU | Prunedale · Monterey County | — | — |
| R L Hill | R L Hill | — | (831) 632 5262 | Other | Salinas · Monterey County | — | — |
| R L T Construction | Roger Llewellyn Thomas | — | (831) 601 8281 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| R M S Construction | Richard Martin Iii Satava | — | (831) 392 6426 | GC, remodel, ADU | Pacific Grove · Monterey County | — | — |
| R Munoz Landscaping | R Munoz Landscaping | — | (831) 402 5078 | Windows, patio, painters | Seaside · Monterey County | — | — |
| R S Plumbing | R S Plumbing | — | (831) 229 6593 | Other | Marina · Monterey County | — | — |
| R T G Construction | Richard Toby Garcia | — | (831) 809 6249 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| R T Legacy Painting | R T Legacy Painting | — | (831) 269 1161 | Windows, patio, painters | Marina · Monterey County | — | — |
| Radiant Landscaping INC | Mandujano Jose Rodriguez | — | (831) 240 8641 | Windows, patio, painters | Salinas · Monterey County | — | — |
| Rainman Heating & Sheet Metal INC | Gary Lee Jr Hofsheier | — | (831) 884 0262 | HVAC | Monterey · Monterey County | — | — |
| Rainville Landscapes | Rainville Landscapes | — | (831) 915 1092 | Windows, patio, painters | Seaside · Monterey County | — | — |
| Ram Concrete | Ram Concrete | — | (831) 210 3463 | GC, remodel, ADU | Salinas · Monterey County | — | — |
| Ram Masonry INC | Meza Jesus Mendoza | — | (831) 970 6762 | Other | Moss Landing · Monterey County | — | — |