| Pete's Construction | Peter Francisco Sandoval | — | (415) 533 1500 | GC, remodel, ADU | Novato · Marin County | — | — |
| Peter A Davis | Peter A Davis | pdavis@peteradavis.com | (415) 298 4561 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Peter Femenia Plumbing | Peter Femenia Plumbing | — | (415) 302 4969 | Other | Novato · Marin County | — | — |
| Peter Fitzgerald | Peter Fitzgerald | — | (415) 241 1535 | Windows, patio, painters | Tiburon · Marin County | — | — |
| Peter G La Croix | Peter G La Croix | — | (415) 456 1944 | GC, remodel, ADU | Woodacre · Marin County | — | — |
| Peter Levi Plumbing LLC | Peter David Levi | — | (415) 454 7771 | HVAC | Novato · Marin County | — | — |
| Peter Taylor | Peter Taylor | bartmusicians@gmail.com | (415) 456 7982 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Peters Design-build INC | Benjamin James Peters | andrew@petersdesignbuild.com | (628) 400 1601 | GC, remodel, ADU | Woodacre · Marin County | — | — |
| Petersen Plumbing Services INC | William Taylor Petersen | — | (415) 785 4807 | Other | Mill Valley · Marin County | — | — |
| Peterson Construction & Development INC | Timothy James Peterson | — | (415) 889 5944 | GC, remodel, ADU | Tiburon · Marin County | — | — |
| Petre T Gueorguiev Electric | Petre Todorov Gueorguiev | — | (415) 577 1665 | Electricians | Greenbrae · Marin County | — | — |
| Petrini And Sons Plumbing | Petrini And Sons Plumbing | — | (415) 602 7515 | Other | Novato · Marin County | — | — |
| Petty Masonry INC | Michael Arthur Petty | — | (415) 898 2200 | Other | Novato · Marin County | — | — |
| Pfautz Design And Construction | John Ethan Pfautz | — | (415) 485 9780 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Phil Kline General Contractor | Philip Bruce Kline | — | (415) 215 8097 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Phil The Floor Guy | Phil The Floor Guy | — | (415) 846 2354 | Other | Mill Valley · Marin County | — | — |
| Philippe Monjauze | Philippe Monjauze | — | (415) 269 7946 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Philippe Vigneaud Construction | Philippe Jacques F Vigneaud | — | (805) 448 7747 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Phillipps Electric | Mark Francis Phillipps | — | (415) 309 4623 | Electricians | Corte Madera · Marin County | — | — |
| Phoenix Rising Environmental | Kristine Ann Jones | — | (415) 990 9034 | Electricians | Novato · Marin County | — | — |
| Pierattini Hardwood Floors | Pierattini Hardwood Floors | info@ndiscovered.com | (707) 347 9695 | Other | San Rafael · Marin County | — | — |
| Pierce & Son's Construction | Jake Nicholas Pierce | — | (415) 279 5330 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Pierpont Painting INC | Andrea Koehn Pierpont | — | (415) 927 1524 | Windows, patio, painters | Corte Madera · Marin County | — | — |
| Pilier Construction Co | Hosseinzadeh Hossein | — | (510) 701 0303 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Pimentel Construction | Ronald Jerome Jr Pimentel | — | (415) 328 4588 | GC, remodel, ADU | Greenbrae · Marin County | — | — |
| Pina Plumbing INC | Tyler John Pina | tylerpv@gmail.com | (415) 570 1054 | Other | San Rafael · Marin County | — | — |
| Pio Mcgarr INC | Mc Garr Pio | — | (415) 756 5633 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Pipe Spy Marin INC | Myles Michael O'dwyer | — | (415) 927 0287 | Other | Larkspur · Marin County | — | — |
| Piscatelli Roofing | Ari Dahnyalla Piscatelli | — | (415) 713 4322 | Other roofers | San Anselmo · Marin County | — | — |
| Pisces Plumbing | Pisces Plumbing | — | (415) 669 7207 | Other | Inverness · Marin County | — | — |
| Planet Horticulture | David Lawrence Mc Crory | — | (415) 827 4342 | Windows, patio, painters | Tiburon · Marin County | — | — |
| Plath & Company INC | John Bartholomew Ferrarone | — | (415) 460 1575 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Platinum Painting & Upgrades | Platinum Painting & Upgrades | — | (415) 342 6756 | Windows, patio, painters | Novato · Marin County | — | — |
| Platinum Power INC | Joseph Michael Kennedy | — | (415) 235 6580 | Electricians | Novato · Marin County | — | — |
| Plg Construction INC | Nelson Evelio Reyes Santos | — | (415) 368 2164 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Plonowski Architects + Builders | Plonowski Architects + Builders | — | (415) 389 8047 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Plum Builders INC | Michael Charles Luchessa | — | (415) 785 1187 | GC, remodel, ADU | Fairfax · Marin County | — | — |
| Plumb Level & Square Pls Construction | John Patrick Toal | — | (510) 316 9798 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Plumbart Plumbing | Plumbart Plumbing | — | (415) 299 7296 | Other | Novato · Marin County | — | — |
| Plumbing Pros | Plumbing Pros | — | (415) 987 7767 | Other | Novato · Marin County | — | — |