| Pair-a-dice Builders INC | Branon Pattrick Long | — | (808) 268 1968 | GC, remodel, ADU | Martinez · Contra Costa County | — | — |
| Pajarito Landscape | Pajarito Landscape | — | (925) 691 5800 | Windows, patio, painters | Concord · Contra Costa County | — | — |
| Pak's Builder Company | Myong Nam Pak | — | (510) 407 2585 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Palacios Painting | Palacios Painting | — | (510) 461 5114 | GC, remodel, ADU | San Ramon · Contra Costa County | — | — |
| Paladin Builders | Adam T Mcclure | — | (415) 312 4494 | GC, remodel, ADU | Orinda · Contra Costa County | — | — |
| Palazzo Kitchens And Baths INC | Felipe Meireles Franca | — | (925) 827 3000 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Palomera's Drywall INC | Palomera Cristino | — | (925) 348 0259 | Other | Concord · Contra Costa County | — | — |
| Pamrick Construction | Danny Hingyiu Ho | — | (925) 323 8964 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Pan - Pacific Supply Co INC | Todd Martin Smith | — | (925) 685 2292 | Other | Concord · Contra Costa County | — | — |
| Panacci Construction | Frank A Panacci | — | (925) 360 2955 | GC, remodel, ADU | Lafayette · Contra Costa County | — | — |
| Panda HVAC | Umar Elkinovich Sabitov | — | (877) 928 1513 | HVAC | Concord · Contra Costa County | — | — |
| Panoramic Landscaping | Michael Joseph Binswanger | — | (925) 260 4093 | Windows, patio, painters | Walnut Creek · Contra Costa County | — | — |
| Pantheon Design | Pantheon Design | info@pantheondesign.com | (925) 250 1000 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Pantheon Design And Construction | Clint Cameron Reed | — | (877) 250 4600 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Papa's Plumbing | Papa's Plumbing | — | (415) 320 3761 | Other | Rodeo · Contra Costa County | — | — |
| Paper Street Electric Co | Jonathan David Gabris | — | (925) 584 5985 | Electricians | Concord · Contra Costa County | — | — |
| Paradigm Concrete & Construction INC | Salvador Avila Arteaga | — | (925) 755 4940 | Other | Antioch · Contra Costa County | — | — |
| Paradigm Design & Interiors | Paradigm Design & Interiors | pauline@paradigmdesigninteriors.com | (408) 702 5299 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Paradigm General Contractors | Lynette Norma Womack | — | (510) 478 1121 | GC, remodel, ADU | Richmond · Contra Costa County | — | — |
| Paradigm Service Solutions LLC | Daniel Paul Baird | — | (510) 816 8934 | HVAC | San Ramon · Contra Costa County | — | — |
| Paradise Construction | Antonio Mauricio Gutierrez | — | (925) 550 1251 | GC, remodel, ADU | Brentwood · Contra Costa County | — | — |
| Paradise Pool Fiberglass | Paradise Pool Fiberglass | paradisepoolfiberglass@gmail.com | (925) 451 4581 | Pool | Walnut Creek · Contra Costa County | — | — |
| Paragon Painting & Decorating | Paragon Painting & Decorating | — | (925) 440 0786 | Windows, patio, painters | Martinez · Contra Costa County | — | — |
| Paragon Roofing | Paragon Roofing | — | (925) 678-5745 | Other roofers | Concord · Contra Costa County | — | — |
| Paragon Roofing & Remodeling INC | Sagi Zadok | — | (818) 497 4929 | Other roofers | Concord · Contra Costa County | — | — |
| Param Electric Incorporated | Param Easvan | — | (925) 935 2294 | Electricians | Walnut Creek · Contra Costa County | — | — |
| Paramount Development And Construction | James Dwight Peirce | — | (925) 250 8751 | GC, remodel, ADU | Lafayette · Contra Costa County | — | — |
| Paramount Home Theater | Paramount Home Theater | parahometheater@yahoo.com | (925) 556 6212 | Other | San Ramon · Contra Costa County | — | — |
| Paredes Construction | Andres Eduardo Paredes | hello@paredes-construction.com | (949) 807-1768 | GC, remodel, ADU | Pittsburg · Contra Costa County | — | — |
| Parenti Construction | Steven Alan Parenti | — | (925) 383 7793 | GC, remodel, ADU | Brentwood · Contra Costa County | — | — |
| Pargett Landscape & Lighting | Pargett Landscape & Lighting | — | (925) 323 5680 | Windows, patio, painters | Clayton · Contra Costa County | — | — |
| Pargett Tile Services | Sean Kevin Pargett | — | (925) 980 9898 | Other | Walnut Creek · Contra Costa County | — | — |
| Parisi & Sons Construction | Thomas Charles Parisi | — | (925) 207 3205 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Parker Electric Co | Lannie Andrew Parker | — | (925) 766 7981 | Electricians | Concord · Contra Costa County | — | — |
| Parker Scofield LLC | Aaron Justin Reed | — | (510) 676 5224 | GC, remodel, ADU | Lafayette · Contra Costa County | — | — |
| Parksway Construction INC | Park Joseph | — | (510) 302 5683 | Other roofers | Pinole · Contra Costa County | — | — |
| Parota Construction INC | Alberto Diaz Rangel | — | (408) 712 9969 | GC, remodel, ADU | Antioch · Contra Costa County | — | — |
| Parrish Construction | Marcus Wilbert Parrish | — | (925) 285 1709 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Pars Design & Construction | Poursohi Mohsen | — | (925) 286 0355 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Pars Home Improvement INC | Seyedamir Effatnejad | — | (510) 309 4020 | GC, remodel, ADU | Martinez · Contra Costa County | — | — |