| Padilla's Roofing | Padilla Osbaldo | — | (707) 265 6304 | Other roofers | Napa · Napa County | — | — |
| Padron Construction | Padron Aguilar Marcelino | — | (707) 287 6190 | GC, remodel, ADU | Napa · Napa County | — | — |
| Paint Pros Of Napa Valley | Kenneth De La Pena Van Houten | — | (707) 285 7755 | Windows, patio, painters | Napa · Napa County | — | — |
| Palisades Pump Service INC | Shane Fredrick Klingbeil | — | (707) 965 2900 | Other | Angwin · Napa County | — | — |
| Palmas Landscaping | Palmas Landscaping | — | (707) 227 7856 | Windows, patio, painters | Napa · Napa County | — | — |
| Palmatum Landscapes | Palmatum Landscapes | — | (707) 515 5468 | Windows, patio, painters | Calistoga · Napa County | — | — |
| Pantoja Custom Painting LLC | Luis Enrrique Pantoja Garcia | — | (707) 815 2093 | Windows, patio, painters | Napa · Napa County | — | — |
| Papa Electric | Papa Pete | — | (707) 251 0286 | Electricians | Napa · Napa County | — | — |
| Paradise Pools And Landscapes INC | Timothy Blaine Kepplin | pools@paradisenapa.com | (707) 257 0774 | GC, remodel, ADU | Napa · Napa County | — | — |
| Parra Construction | Antonio Dominiguez Parra | — | (707) 603 9941 | GC, remodel, ADU | Napa · Napa County | — | — |
| Pathway Home Solutions INC | Michael Joseph Jennaro | hello@pathwayhomesolutions.com | (209) 601 0734 | GC, remodel, ADU | Napa · Napa County | — | — |
| Paul Coates Construction INC | Paul William Coates | paulcoates@paulcoatesconstruction.com | (707) 942 5268 | GC, remodel, ADU | Calistoga · Napa County | — | — |
| Paul Rodman Construction INC | Paul Devin Rodman | — | (707) 256 3818 | GC, remodel, ADU | Napa · Napa County | — | — |
| Peck & Hiller Company | Benjamin Carroll Kerr | — | (707) 258 8800 | GC, remodel, ADU | Napa · Napa County | — | — |
| Peralta Construction Co | Peralta John | pat@peraltaconstruction.com | (707) 695 1779 | GC, remodel, ADU | Napa · Napa County | — | — |
| Perfection Carpentry INC | Felipe Bernardo Guerrero | — | (707) 481 8588 | GC, remodel, ADU | Napa · Napa County | — | — |
| Perfection Custom Tile | Perfection Custom Tile | — | (707) 492 4992 | Other | Napa · Napa County | — | — |
| Performance Roofing | Diakoff Dennis | contact@performanceroofinginc.com | (707) 333 4659 | Other roofers | Napa · Napa County | — | — |
| Peter Ellis Construction | Peter Justin Ellis | — | (510) 375 8584 | Other roofers | American Canyon · Napa County | — | — |
| Peter G White | Peter G White | — | (707) 480 9958 | GC, remodel, ADU | St Helena · Napa County | — | — |
| Peter Hamilton Construction | Peter Douglas Hamilton | — | (707) 531 8009 | GC, remodel, ADU | Yountville · Napa County | — | — |
| Peter Riechers | Peter Riechers | — | (707) 337 8465 | Other | Napa · Napa County | — | — |
| Philip A Henry | Philip A Henry | — | (928) 210 9109 | GC, remodel, ADU | Rutherford · Napa County | — | — |
| Phillip L Morris | Phillip L Morris | — | (707) 799 5459 | Other | Pope Valley · Napa County | — | — |
| Phillips Construction | Jason Glenn Phillips | — | (707) 812 5516 | GC, remodel, ADU | Napa · Napa County | — | — |
| Phoenix Construction | Nicholas Craig Clark | — | (707) 299 0069 | GC, remodel, ADU | Napa · Napa County | — | — |
| Phoenix Plastering | Phoenix Plastering | — | (707) 225 4602 | Other | Napa · Napa County | — | — |
| Pillar To Post Home Inspectors - Diede Team | Pillar To Post Home Inspectors - Diede Team | diedeteam@pillartopost.com | (707) 202-8332 | Inspectors | Napa · Napa County | — | — |
| Pintail Roofing | Donald L Bledsoe | dean@pintailroofing.com | (707) 483 8424 | Other roofers | Napa · Napa County | — | — |
| Pivotal Ground INC | Michael Don Gonzales | — | (707) 307 5057 | GC, remodel, ADU | Napa · Napa County | — | — |
| Plaka Construction INC | Plaka Fatos | — | (707) 738 8131 | GC, remodel, ADU | Napa · Napa County | — | — |
| Plumbing Contractors | James Spencer Re' | — | (707) 255 7789 | Other | American Canyon · Napa County | — | — |
| Plumbing Innovations INC | Robert Ernest Kirtlink | — | (707) 226 9502 | Other | Napa · Napa County | — | — |
| Politz Construction And Development | Jeffrey Dominic Politz | — | (707) 363 2133 | GC, remodel, ADU | Napa · Napa County | — | — |
| Polly Ogden Associates | Polly Sue Ogden | — | (707) 963 7999 | GC, remodel, ADU | St Helena · Napa County | — | — |
| Pope Valley Painting Incorporated | Philip John Kelly | — | (707) 363 4762 | Windows, patio, painters | Pope Valley · Napa County | — | — |
| Pope Valley Tree LLC | Gerdes Heiko | freestyletree@gmail.com | (707) 965 0205 | Tree | Pope Valley · Napa County | — | — |
| Positive Electric Of Napa | Courcoumelis Nick | — | (650) 922 4400 | Electricians | Napa · Napa County | — | — |
| Powers Engineering And Inspection Incorporated | Gary W Powers | — | (707) 345 5058 | Other | American Canyon · Napa County | — | — |
| Prado's Landscaping INC | Francisco Prado | contact@pradoslandscaping.com | (415) 302 0371 | Windows, patio, painters | American Canyon · Napa County | — | — |