| Peyton Schmidt Construction | Peyton Alexander Schmidt | — | (530) 908 6885 | GC, remodel, ADU | Penn Valley · Nevada County | — | — |
| Phil Gomez Construction | Phillip Jose Gomez | — | (914) 406 0218 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Phil Williams Painting | Phil Williams Painting | — | (530) 477 9460 | Windows, patio, painters | Grass Valley · Nevada County | — | — |
| Phillips Contracting And Remodel | Barry Eugene Phillips | — | (530) 559 3784 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Phipps Mechanical | Phipps Mechanical | — | (916) 769 6959 | HVAC | Grass Valley · Nevada County | — | — |
| Piedmont Plumbing And Mechanical | Piedmont Plumbing And Mechanical | — | (530) 265 5025 | HVAC | Nevada City · Nevada County | — | — |
| Pina Excavating Contractor | Pina Excavating Contractor | — | (530) 802 1015 | Other | Grass Valley · Nevada County | — | — |
| Pine View Construction | Simon Mario Menesini | — | (530) 913 7611 | GC, remodel, ADU | Cedar Ridge · Nevada County | — | — |
| Pinnacle Tree & Land LLC | Peter Michael O'halloran | — | (530) 306 2789 | Other | Truckee · Nevada County | — | — |
| Piziali Construction INC | Piziali Stephen | construction.piziali@gmail.com | (530) 277 2367 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Planet Demolition | Preston Alan Black | preston@planetdemolition.com | (530) 362 8686 | Other | Grass Valley · Nevada County | — | — |
| Planet Home | Planet Home | — | (530) 277 0669 | GC, remodel, ADU | Nevada City · Nevada County | — | — |
| Plunkett Construction | Blair Allen Plunkett | — | (530) 263 6460 | GC, remodel, ADU | Grass Valley · Nevada County | — | — |
| Poulin Construction | Poulin Steven | — | (530) 550 9206 | GC, remodel, ADU | Truckee · Nevada County | — | — |
| Powell Arbor Solutions | David Anthony Powell | info@powellarborsolutions.com | (530) 889 1209 | Other | Grass Valley · Nevada County | — | — |
| Power Unlimited Electric | Bobby Dean Hughey | — | (916) 666 5252 | Electricians | Grass Valley · Nevada County | — | — |
| Powerhouse Electric | David William Bowman | — | (530) 913 6926 | Electricians | Grass Valley · Nevada County | — | — |
| Powersurge Electric | Igor Olegovich Reoutt | — | (530) 448 1226 | Electricians | Truckee · Nevada County | — | — |
| Pr3 Plumbing | Pr3 Plumbing | — | (928) 377 7064 | GC, remodel, ADU | Rough And Ready · Nevada County | — | — |
| Precision Combustion INC | Everton Maurice Edgar | interested@domainmarket.com | (510) 453 2208 | HVAC | Grass Valley · Nevada County | — | — |
| Precision Drywall INC | Mark Anthony Sanzone | — | (530) 210 5787 | Other | Grass Valley · Nevada County | — | — |
| Precision Electric | David Anthony Pfadt | — | (530) 274 3438 | Electricians | Grass Valley · Nevada County | — | — |
| Precision Finishing | Precision Finishing | — | (530) 913 9101 | Windows, patio, painters | Grass Valley · Nevada County | — | — |
| Precision Forestry Solutions | Cole Mitchell Jarvis | — | (530) 913 8269 | Other | Grass Valley · Nevada County | — | — |
| Precision Tile & Stone | Precision Tile & Stone | jguimond84@gmail.com | (530) 412 0818 | Other | Truckee · Nevada County | — | — |
| Precision Welding | Braden Christian Compton | — | (530) 748 9355 | Other | Grass Valley · Nevada County | — | — |
| Premier Electric | Patrick Deryk Keating | — | (530) 263 9918 | Electricians | Nevada City · Nevada County | — | — |
| Premier Floor Covering | Caitlin Mackenzie Brookshaw | — | (530) 273 3711 | Other | Grass Valley · Nevada County | — | — |
| Premier Synthetic Turf | Damon Edward Lazalier | — | (916) 759 9098 | Other | Grass Valley · Nevada County | — | — |
| Prestige Land Development And Clearing LLC | Zachery Dean Churchill | — | (530) 883 0909 | Other | Grass Valley · Nevada County | — | — |
| Principled Plumbing INC | Keether Robert Merry | admin@principledplumbing.com | (530) 264 0464 | Other | Grass Valley · Nevada County | — | — |
| Priority Painting | Priority Painting | — | (530) 205 8670 | Windows, patio, painters | Grass Valley · Nevada County | — | — |
| Private Climate INC | Denzel Ray Jr Mcdowell | — | (530) 414 1757 | HVAC | Truckee · Nevada County | — | — |
| Pro Agua INC | Richard David Vaughan | — | (530) 587 8402 | HVAC | Truckee · Nevada County | — | — |
| Pro Concrete Construction | David Jason Grunst | — | (530) 448 3096 | Other | Truckee · Nevada County | — | — |
| Pro Flooring | Pro Flooring | — | (530) 913 3798 | Other | Grass Valley · Nevada County | — | — |
| Pro Glass And Mirror INC | Daniel Thomasmichae Cordova | — | (530) 273 6979 | Windows, patio, painters | Grass Valley · Nevada County | — | — |
| Pro H20 Heating & Plumbing INC | Richard David Vaughan | — | (530) 587 8402 | HVAC | Truckee · Nevada County | — | — |
| Property Management Inc. | Property Management Inc. | info@propertymanagementinc.com | (801) 407-1301 | Property managers | Nevada City · Nevada County | — | — |
| Prosser Building & Development INC | Peter Christian Beaupre | — | (530) 401 6085 | GC, remodel, ADU | Truckee · Nevada County | — | — |