| Plumbing Services Group LLC | Brian Keith Rasmussen | — | (985) 980-5116 | Other | Novato · Marin County | — | — |
| Pmp Management - Thousand Oaks Ca | Pmp Management - Thousand Oaks Ca | — | (805) 642-2400 | Property managers | Thousand Oaks · Marin County | — | — |
| Point Reyes Pastures INC | David Daniel Evans | — | (415) 717 1796 | Other | Inverness · Marin County | — | — |
| Pollough Construction | Michael Martin O'heidhin | — | (415) 785 3990 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Poolcraft INC | Chris Daniel Jaurique | — | (415) 382 7539 | Pool | Novato · Marin County | — | — |
| Porter Electric | Robert John Porter | — | (415) 819 0691 | Electricians | San Rafael · Marin County | — | — |
| Portillo Master Finishing Woodwork | Portillo Master Finishing Woodwork | — | (510) 706 9903 | Other | San Rafael · Marin County | — | — |
| Posard Broek + Associates | Onne Frank Broek | — | (415) 297 8251 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Powerhouse Building INC | Philip Seraphin Hynes | — | (415) 407 9222 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Powerline Electrical Services | Paul Joseph Colteaux | info@powerlineelectricalservices.com | (415) 827 2130 | Electricians | San Rafael · Marin County | — | — |
| Powers Development And Construction | William David Powers | — | (415) 350 6944 | GC, remodel, ADU | Tiburon · Marin County | — | — |
| Prandi Property Management | Prandi Property Management | info@prandiprop.com | (415) 482-9988 | Property managers | San Rafael · Marin County | — | — |
| Precast Pavers | Toledo Jean Carlos Martins | — | (415) 654 3688 | Other | Sausalito · Marin County | — | — |
| Precedent Construction | Robert Scotti Brodsky | — | (707) 889 3090 | GC, remodel, ADU | Dillon Beach · Marin County | — | — |
| Precision General Commercial Contractors INC | Dale Glenn Medlyn | — | (415) 332 8390 | GC, remodel, ADU | Novato · Marin County | — | — |
| Precision Tile | Bernd Juergen Schwarz | berndschwarzcm@gmail.com | (415) 531 9524 | Other | Corte Madera · Marin County | — | — |
| Premier Home Care | Stevan Edward Fontana | — | (415) 457 1290 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Preston R Connell Plastering | Preston R Connell Plastering | connellplastering@gmail.com | (714) 717 9000 | Other | Novato · Marin County | — | — |
| Primary Painting Co | Ayrton Bezerra De C Sobral | info@primarypainting.com | (415) 533 0402 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Prime Coats Painting And Decorating | Prime Coats Painting And Decorating | — | (415) 985 5046 | Windows, patio, painters | Novato · Marin County | — | — |
| Prime Master Landscaping | Prime Master Landscaping | primemasterlandscaping@gmail.com | (415) 532 9429 | Windows, patio, painters | San Rafael · Marin County | — | — |
| Prime Stone Build | David Ryan Fowler | — | (415) 424 3391 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Prisma Painting | Prisma Painting | — | (415) 879 6745 | Windows, patio, painters | San Anselmo · Marin County | — | — |
| Proava Tech Corp | Silva Daniell Camilo | contact@proavatech.com | (415) 408 8078 | Other | Novato · Marin County | — | — |
| Professional Contracting INC | Jay Robert English | — | (415) 408 8282 | Electricians | Sausalito · Marin County | — | — |
| Proper Home INC | Elliott Worrell Grimshaw | — | (415) 706 0725 | GC, remodel, ADU | Woodacre · Marin County | — | — |
| Providencia Homes | William Michael Lewis | — | (818) 209 2768 | GC, remodel, ADU | Novato · Marin County | — | — |
| Prudent Property Management | Prudent Property Management | coordinator@prudentprops.com | — | Property managers | Sausalito · Marin County | — | — |
| Pruitt Trees LLC | Isun Evan Pruitt | — | (415) 306 1627 | Tree | Point Reyes Station · Marin County | — | — |
| Puroclean Of San Rafael | Nicholas Anton Ondrejka | — | (628) 888 2911 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Puzzlewood Builders INC | Henry William Iv Borntraeger | henry@puzzlewoodbuilders.com | (207) 348 3004 | GC, remodel, ADU | Greenbrae · Marin County | — | — |
| Q P Enterprises INC | Anthony Kerwin Flagerman | — | (415) 380 8383 | Windows, patio, painters | Mill Valley · Marin County | — | — |
| Quality Home Builders INC | Juan Antonio Sandoval | — | (415) 300 6855 | GC, remodel, ADU | Novato · Marin County | — | — |
| Quarryhouse INC | Edward Robert Westbrook | — | (415) 482 9094 | Windows, patio, painters | San Anselmo · Marin County | — | — |
| Quevedo Roofing INC | Marco Antonio Quevedo Azanon | info@quevedoroofing.com | (415) 342 2440 | Other roofers | Novato · Marin County | — | — |
| Quick Connect Electric Co | Fong Perry | — | (415) 699 7297 | Electricians | Corte Madera · Marin County | — | — |
| Quigley's Construction INC | Patrick James Quigley | — | (646) 784 1068 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| R B Hardwood Floors | R B Hardwood Floors | — | (415) 747 0746 | Other | Novato · Marin County | — | — |
| R B Roofing | Robert Allen Bernarding | — | (415) 331 7180 | Other roofers | San Rafael · Marin County | — | — |
| R C A Construction | Robert Charilois Arge | — | (415) 606 4192 | GC, remodel, ADU | San Rafael · Marin County | — | — |