| Premier Plumbing Solutions 925 | Alberto Negrete Hernandez | tim@premier-plumbing-solutions.com | (510) 861 9350 | Other | Brentwood · Contra Costa County | — | — |
| Premier Pools & Spas Of Contra Costa | Premier Pools & Spas Of Contra Costa | — | (925) 203-6753 | Pool | Walnut Creek · Contra Costa County | — | — |
| Premier Pools & Spas Of East Bay | Premier Pools & Spas Of East Bay | — | (925) 644-7665 | Pool | Danville · Contra Costa County | — | — |
| Premier Pro Electric INC | Cumar Abel Zambrano | — | (415) 867 1867 | Electricians | Richmond · Contra Costa County | — | — |
| Premier Shower Glass And Mirror | Premier Shower Glass And Mirror | — | (925) 499 3990 | Windows, patio, painters | Pleasant Hill · Contra Costa County | — | — |
| Premier Structures INC | Elliott Worrell Grimshaw | — | (415) 778 8000 | GC, remodel, ADU | Richmond · Contra Costa County | — | — |
| Premium Landscaping | Premium Landscaping | — | (925) 687 3728 | Windows, patio, painters | Concord · Contra Costa County | — | — |
| Premium Plumbing | Rafael Gil | — | (925) 538 5756 | Other | Pittsburg · Contra Costa County | — | — |
| Premium Properties | Premium Properties | info@premiumprop.com | (925) 930-8090 | Property managers | Walnut Creek · Contra Costa County | — | — |
| Prestige Custom Tile & Stone | Prestige Custom Tile & Stone | — | (925) 812 2323 | Other | Martinez · Contra Costa County | — | — |
| Prestige Gunite LP | William Otto Huchton | — | (888) 234 1231 | Pool | Brentwood · Contra Costa County | — | — |
| Prestige Hardwood Floors | Prestige Hardwood Floors | — | (925) 200 2332 | Other | Walnut Creek · Contra Costa County | — | — |
| Prestige Home Renovations INC | Johnathan Alberto Espinoza | — | (510) 367 8234 | GC, remodel, ADU | Pittsburg · Contra Costa County | — | — |
| Prestige Plumbing And Rooter INC | Miguel Angel Bonequi | — | (925) 584 6174 | Other | Concord · Contra Costa County | — | — |
| Prestige Remodeling | Prestige Remodeling | micah@micahrich.com | (925) 876 1557 | GC, remodel, ADU | Martinez · Contra Costa County | — | — |
| Prestigious Epoxy INC | Kevin Thomas Wagner | kevin@prestigiousepoxy.com | (707) 277 1778 | Other | Discovery Bay · Contra Costa County | — | — |
| Prestigious Plumbing | Hernandez Diego Ramos | — | (415) 716 3703 | Other | Richmond · Contra Costa County | — | — |
| Priceless Construction | Donald Ramon Price | — | (510) 867 6517 | GC, remodel, ADU | Richmond · Contra Costa County | — | — |
| Priith Engineering | Priith Engineering | — | (925) 595 5153 | Other | Antioch · Contra Costa County | — | — |
| Prime Construction | Gregory Kent Dillon | — | (510) 502 3543 | Electricians | Orinda · Contra Costa County | — | — |
| Prime Cut Concrete Sawing & Drilling | Herminio Richard Torres | — | (925) 575 0112 | Other | Alamo · Contra Costa County | — | — |
| Prime Electrical Service | John David Boitano | — | (925) 240 9233 | Electricians | Brentwood · Contra Costa County | — | — |
| Prime Plumbing And Drain INC | Richard William Rohde | — | (925) 503 4838 | Other | Antioch · Contra Costa County | — | — |
| Prime Roofing Company | Jun Yup Kim | — | (415) 722 2508 | Other roofers | El Cerrito · Contra Costa County | — | — |
| Prime Star Construction | Michael Thomas Evans | — | (510) 301 1134 | GC, remodel, ADU | Pinole · Contra Costa County | — | — |
| Prime Technologies | Prime Technologies | interested@domainmarket.com | (415) 967 9044 | Other | Richmond · Contra Costa County | — | — |
| Prime Time Plumbing INC | Karim Saleem | — | (510) 213 8213 | Other | Pinole · Contra Costa County | — | — |
| Primecraft Roofing LLC | Oscar Ruiz | — | (501) 401 4415 | Other roofers | Pittsburg · Contra Costa County | — | — |
| Primex Roofing & Waterproofing | Romo Sergio Barreras | — | (925) 726 6418 | Other roofers | Antioch · Contra Costa County | — | — |
| Primo Custom Construction | Davi Sebastian | — | (415) 819 1124 | GC, remodel, ADU | Oakley · Contra Costa County | — | — |
| Primo Quesada Construction | Primo Serapio Quesada | — | (925) 818 1468 | GC, remodel, ADU | Pittsburg · Contra Costa County | — | — |
| Principal Contracting Services INC | Terry Donnell Eggleston | — | (510) 867 6562 | GC, remodel, ADU | El Cerrito · Contra Costa County | — | — |
| Priority Construction | Donovan Alexander Prior | — | (916) 613 4398 | GC, remodel, ADU | Crockett · Contra Costa County | — | — |
| Pristine Air Conditioning And Heating Service | Sengmany Kingsada | — | (510) 833 0635 | HVAC | El Sobrante · Contra Costa County | — | — |
| Pristine Painting Bay Area LLC | Pooya Paul Towfighi | info@pristinepaintingbayarea.com | (925) 457 0891 | Windows, patio, painters | Clayton · Contra Costa County | — | — |
| Pristine Synthetic Coating | Pristine Synthetic Coating | — | (510) 459 4998 | Other | San Pablo · Contra Costa County | — | — |
| Pritzkow Construction INC | Robert Allen Jr Pritzkow | rob@pritzkowconstruction.com | (925) 457 3628 | GC, remodel, ADU | Danville · Contra Costa County | — | — |
| Private Island Homes INC | Vincent Joseph Rover | — | (925) 383 9520 | GC, remodel, ADU | Brentwood · Contra Costa County | — | — |
| Privette Tile & Stone | Privette Tile & Stone | — | (510) 215 6655 | Other | San Pablo · Contra Costa County | — | — |
| Pro Brothers Construction & Remodeling | Luis Alberto Funes Castellanos | — | (925) 375 7188 | GC, remodel, ADU | San Ramon · Contra Costa County | — | — |