| Phil Meyer Floors INC DBA Carpet One | Philip Lee Meyer | — | (925) 609 8000 | Other | Concord · Contra Costa County | — | — |
| Philcap Renovations | Bryan Kelvin Phillips | — | (714) 791 9744 | GC, remodel, ADU | Hercules · Contra Costa County | — | — |
| Philco Air Control INC | Manuel Phillip Cardoza | — | (925) 289 7658 | HVAC | Concord · Contra Costa County | — | — |
| Philco Building Maintenance INC | Christian Tanzo Rontal | — | (925) 363 7755 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Philip V Joukoff | Philip V Joukoff | — | (925) 939 6651 | Other | Walnut Creek · Contra Costa County | — | — |
| Phillip A Jones Building & Design | Phillip Alain Jones | — | (510) 529 5771 | GC, remodel, ADU | El Cerrito · Contra Costa County | — | — |
| Phillips Mechanical INC | Phillip Raythion Fields | info@phillipsmechanical.com | (925) 392 5775 | HVAC | Antioch · Contra Costa County | — | — |
| Phillips Plumbing | Phillips Plumbing | — | (510) 525 1237 | Other | El Cerrito · Contra Costa County | — | — |
| Phillips Plumbing | Phillips Plumbing | — | (510) 525 1237 | Other | El Cerrito · Contra Costa County | — | — |
| Phoenix Glass & Consulting INC | Gustavo Alonso Jr Castillo | — | (925) 490 4281 | Windows, patio, painters | Antioch · Contra Costa County | — | — |
| Phoenix Life Safety Electrical Systems | Kian Elian Naraghi | — | (925) 289 8855 | Electricians | Pleasant Hill · Contra Costa County | — | — |
| Phuntsok Namgyal | Phuntsok Namgyal | — | (510) 315 6882 | Windows, patio, painters | Richmond · Contra Costa County | — | — |
| Pi's Window Covering | Pi's Window Covering | — | (510) 605 7052 | Other | San Ramon · Contra Costa County | — | — |
| Piantanida Construction INC | Donald Ambrose Piantanida | — | (925) 580 1467 | GC, remodel, ADU | Discovery Bay · Contra Costa County | — | — |
| Picold Heating And Air | Picold Heating And Air | — | (510) 927 7163 | HVAC | Pittsburg · Contra Costa County | — | — |
| Picture Perfect Pool Services INC | Brian Andrew Duncan | — | (925) 370 6675 | Pool | Walnut Creek · Contra Costa County | — | — |
| Pierce Construction | Bobby Joe Pierce | — | (925) 595 8244 | Electricians | Brentwood · Contra Costa County | — | — |
| Pillar Drywall | Pillar Drywall | — | (510) 778 5086 | Other | Richmond · Contra Costa County | — | — |
| Pimentel Construction | Alexander David Pimentel | — | (510) 813 0479 | GC, remodel, ADU | El Sobrante · Contra Costa County | — | — |
| Pin - Co Stucco INC | Pinzoncorona | — | (925) 848 6986 | Other | Brentwood · Contra Costa County | — | — |
| Pin-point-painting | Ferenc Szuchopa | — | (925) 550 2558 | Windows, patio, painters | Pleasant Hill · Contra Costa County | — | — |
| Pineda Construction INC | Rolando A Pineda | — | (415) 235 2532 | GC, remodel, ADU | Richmond · Contra Costa County | — | — |
| Pinedas Tree Service | Crisostomo Lilia | — | (510) 758 1594 | Tree | Richmond · Contra Costa County | — | — |
| Pinnacle Pool And Spa Services INC | Lolita Spain O'neal | — | (925) 849 6545 | Pool | Walnut Creek · Contra Costa County | — | — |
| Pintor Painters Decorators Artists LLC | Eduardo Leon | — | (510) 543 3757 | Windows, patio, painters | Lafayette · Contra Costa County | — | — |
| Pipe Arts Plumbing | Pipe Arts Plumbing | — | (510) 847 2927 | Other | Richmond · Contra Costa County | — | — |
| Pipe Liners Plumbing | Pipe Liners Plumbing | — | (510) 812 9984 | Other | Richmond · Contra Costa County | — | — |
| Pipe Revive | Pipe Revive | — | (925) 595 3458 | Other | Pleasant Hill · Contra Costa County | — | — |
| Pipe Systems Plumbing Solutions | Marvin Rene Suazo | — | (408) 420 6054 | Other | Brentwood · Contra Costa County | — | — |
| Piranio Construction Co | Piranio Alfonso | — | (925) 890 1757 | GC, remodel, ADU | Martinez · Contra Costa County | — | — |
| Piscitelli Construction | Joseph Anthony Piscitelli | — | (925) 262 3699 | Electricians | Martinez · Contra Costa County | — | — |
| Pitre Construction | Pitre Ricky | — | (510) 478 2467 | GC, remodel, ADU | El Sobrante · Contra Costa County | — | — |
| Pittsburg Black Diamond Builders | Mark John Gargalikis | — | (925) 250 8499 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Plan Perfect Remodeling INC | Bryce William Phelton | — | (925) 558 3372 | GC, remodel, ADU | Danville · Contra Costa County | — | — |
| Planchon Roofing INC | Damon Russell Planchon | planchonroofing@att.net | (510) 235 4056 | Other roofers | San Pablo · Contra Costa County | — | — |
| Planet Painting | Planet Painting | — | (510) 778 3992 | Windows, patio, painters | Richmond · Contra Costa County | — | — |
| Plant Decor | Plant Decor | — | (925) 933 2862 | Windows, patio, painters | Pleasant Hill · Contra Costa County | — | — |
| Plant Hazardous Services INC | Amanda Grace Kutchera | — | (925) 586 4878 | GC, remodel, ADU | Alamo · Contra Costa County | — | — |
| Plant Reclamation | Brett Allan Moitoza | info@plantreclamation.com | (510) 233 6552 | Other | Antioch · Contra Costa County | — | — |
| Planted Earth INC | Michael Gerard Mcfadden | — | (510) 868 2733 | GC, remodel, ADU | Point Richmond · Contra Costa County | — | — |