| Pacific Coast Well & Pump INC | Charles Edward Moore | — | (510) 581 6000 | Other | San Ramon · Contra Costa County | — | — |
| Pacific Concrete Coatings | Pacific Concrete Coatings | — | (925) 413 8393 | Other | Alamo · Contra Costa County | — | — |
| Pacific Contracting LLC | Kahya Ahmet | — | (510) 821 2277 | GC, remodel, ADU | Rodeo · Contra Costa County | — | — |
| Pacific Contractors | Todd James Vandeusen | — | (925) 407 4729 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Pacific Crest Construction | John William Handel | — | (925) 260 6798 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Pacific Developers & Construction INC | John Bliss Chandler | — | (925) 389 8965 | GC, remodel, ADU | Alamo · Contra Costa County | — | — |
| Pacific Drain INC | Nasir Nazim Jalil | — | (510) 223 3883 | Other | El Sobrante · Contra Costa County | — | — |
| Pacific Hills Landscape Construction INC | Peter Gerald Charbonneau | — | (510) 421 0470 | Windows, patio, painters | Pittsburg · Contra Costa County | — | — |
| Pacific Interwest Building Consultants INC | Robert John Wilson | — | (925) 939 5500 | GC, remodel, ADU | Walnut Creek · Contra Costa County | — | — |
| Pacific J INC | Joseph William Nehi | — | (209) 401 2735 | GC, remodel, ADU | Antioch · Contra Costa County | — | — |
| Pacific Landscape Service | Zavala Garcia Getzemani | — | (925) 752 4868 | Windows, patio, painters | Oakley · Contra Costa County | — | — |
| Pacific Maintenance Solutions | David Hernandez | — | (925) 849 6033 | Windows, patio, painters | Concord · Contra Costa County | — | — |
| Pacific Pipeline Services INC | Leum Bourrath | — | (925) 813 5377 | Other | Oakley · Contra Costa County | — | — |
| Pacific Plumbing | Pacific Plumbing | service@pacific-plumbing.com | (510) 823 7710 | GC, remodel, ADU | Pinole · Contra Costa County | — | — |
| Pacific Pools INC | Steven Jay Dallons | info@pacific-pools.com | (929) 838 2909 | Pool | Alamo · Contra Costa County | — | — |
| Pacific Power & Systems INC | William James Breyton | — | (707) 437 2300 | Electricians | Concord · Contra Costa County | — | — |
| Pacific Power Services | Weir Wayne Van Norsdall | — | (925) 676 1201 | Electricians | Concord · Contra Costa County | — | — |
| Pacific Rim Design + Build | Pacific Rim Design + Build | — | (510) 999 2049 | GC, remodel, ADU | Point Richmond · Contra Costa County | — | — |
| Pacific Rim Security | Pacific Rim Security | — | (925) 962 1699 | Electricians | Walnut Creek · Contra Costa County | — | — |
| Pacific Roofing Company | Pacific Roofing Company | sales@pacificroofing.com | — | Other roofers | Concord · Contra Costa County | — | — |
| Pacific Sauna & Steam INC | Jeffrey James Schillings | — | (925) 370 1050 | Other | Martinez · Contra Costa County | — | — |
| Pacific Stone | Bert Douglas Sandy | info@pacificstone.com | (925) 680 8741 | Other | Concord · Contra Costa County | — | — |
| Pacific Underground Services | Randall Richard Orrick | — | (925) 370 8385 | Other | Martinez · Contra Costa County | — | — |
| Pacific Utility | Pacific Utility | service@pacific-utility.com | (510) 917 6454 | Electricians | Orinda · Contra Costa County | — | — |
| Pacific View Properties | Pacific View Properties | — | (925) 321 6071 | GC, remodel, ADU | Danville · Contra Costa County | — | — |
| Pacific Waste Services INC | James Allen Wyse | — | (925) 244 0392 | Other | Danville · Contra Costa County | — | — |
| Pacific West Flooring INC | Ernesto Juan Mejia-orozco | — | (925) 642 2147 | Other | Oakley · Contra Costa County | — | — |
| Pacific West Group INC | Manoly Marc Khristo | — | (510) 364 8997 | Electricians | Walnut Creek · Contra Costa County | — | — |
| Pacific Wired INC | Christopher James Hinton | — | (888) 314 4448 | Electricians | Danville · Contra Costa County | — | — |
| Pacifico Landscaping | Luis Manuel Magallon Ortiz | — | (925) 250 3274 | Windows, patio, painters | Pittsburg · Contra Costa County | — | — |
| Padilla Design & Build | Caro Del Castillo Noe Padilla | — | (925) 305 6316 | GC, remodel, ADU | Alamo · Contra Costa County | — | — |
| Padilla Flashpoint | Raul Jr Padilla | — | (925) 247 4127 | Electricians | Antioch · Contra Costa County | — | — |
| Padilla's Electric | Luis Felipe Padilla | — | (510) 755 6494 | Electricians | Concord · Contra Costa County | — | — |
| Pagac & Co | Michalecko Jan | — | (415) 290 9888 | GC, remodel, ADU | Concord · Contra Costa County | — | — |
| Pagni Construction INC | Ross Puckett Pagni | — | (510) 691 8890 | GC, remodel, ADU | Hercules · Contra Costa County | — | — |
| Painless Painting | Painless Painting | — | (925) 687 4601 | Windows, patio, painters | Concord · Contra Costa County | — | — |
| Paint Perfect | Anneli Margarita Cameron-Smith | — | (925) 947 3182 | Windows, patio, painters | Walnut Creek · Contra Costa County | — | — |
| Painters INC | Edgar Horacio Hernandez Ruiz | — | (925) 323 3420 | Windows, patio, painters | Bay Point · Contra Costa County | — | — |
| Painting By Stefan | Painting By Stefan | — | (925) 420 6467 | Windows, patio, painters | Brentwood · Contra Costa County | — | — |
| Painting Concepts | Painting Concepts | — | (925) 837 8181 | Windows, patio, painters | Alamo · Contra Costa County | — | — |