| Phuong Dao | Phuong Dao | — | (510) 398 8707 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Picon F R P INC | Chevan Denham Goonetilleke | — | (510) 232 0065 | Windows, patio, painters | Castro Valley · Alameda County | — | — |
| Picture Painting | Picture Painting | — | (510) 520 5469 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Piedmont Builder | Piedmont Builder | — | (510) 385 6235 | GC, remodel, ADU | Piedmont · Alameda County | — | — |
| Piedmont Construction | Neil Joseph Teixeira | — | (510) 658 9938 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Pierre & Co Mobile Blasting | Raoun Pierre Chenault | — | (510) 710 4572 | Other | Oakland · Alameda County | — | — |
| Pieter D Masonry | Pieter D Masonry | — | (510) 917 1984 | Other | Alameda · Alameda County | — | — |
| Pimentel Communications INC | Paul Jesse Pimentel | info@pimentelcommunications.com | (510) 429 8016 | Other | Hayward · Alameda County | — | — |
| Pina Plastering | Alberto Vasquez Pina | — | (415) 572 6368 | Other | Oakland · Alameda County | — | — |
| Pinedo Construction | Joel Christopher Pinedo | joelpinedo93@yahoo.com | (510) 230 5884 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Ping Hong Liang | Ping Hong Liang | — | (510) 390 2802 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Ping Kuen Construction INC | Ping Kuen Leung | — | (510) 812 6468 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| Pink Hammer Builders INC | John William Mortimer | — | (215) 313 6240 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Pinnacle Builders Group LLC | Alfred Shahgholian | — | (408) 242 1634 | GC, remodel, ADU | Dublin · Alameda County | — | — |
| Pinnacle Roofing Professionals INC | Heemin John Lee | — | (510) 828 1843 | Other roofers | Oakland · Alameda County | — | — |
| Pinnacle Socal | Douglas Henry Whitsitt | — | (925) 948 5485 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Pinon Custom Construction INC | Jonathan Pinon | — | (650) 218 3912 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Pinto Home Improvements | Pinto Home Improvements | — | (510) 795 9449 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Pipe And Plant Solutions INC | William Joseph Iv Gilmartin | — | (888) 978 8264 | Other | Hayward · Alameda County | — | — |
| Pipe Rooter | Pipe Rooter | — | (510) 485 1758 | Other | Hayward · Alameda County | — | — |
| Pipe Spy INC | Dzierzon Heiko | — | (510) 465 3000 | Other | Oakland · Alameda County | — | — |
| Pipers Plumbing Services | Brent Allen Johnson | contact@sansoxygen.com | (925) 548 5340 | Other | Livermore · Alameda County | — | — |
| Pires Electric INC | Manuel Silveira Pires | estimating@pireselectric.com | (510) 797 5051 | Electricians | Fremont · Alameda County | — | — |
| Pittman Drywall INC | Robert Algernon Jr Pittman | — | (510) 312 7151 | Other | Newark · Alameda County | — | — |
| Plamar U S A | Jose Manuel Leal Da Costa | — | (510) 475 2650 | Other | Union City · Alameda County | — | — |
| Planning & Architecture | Planning & Architecture | — | (510) 543 0255 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Plants Unlimited INC | John R Goldstein | — | (510) 276 2384 | Windows, patio, painters | Castro Valley · Alameda County | — | — |
| Plascencia Concrete | Plascencia Concrete | — | (510) 677 3336 | Other | Hayward · Alameda County | — | — |
| Plate Line Framers INC | Kenneth Alan Sr Miks | — | (925) 800 5935 | GC, remodel, ADU | Livermore · Alameda County | — | — |
| Platinum Home Builders INC | Ramirez Martin Vasquez | — | (415) 261 8130 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Platinum Pipeline INC | Manuel Antonio De Freitas | — | (925) 829 6565 | Other | Livermore · Alameda County | — | — |
| Platinum Plumbing And Sewer | Platinum Plumbing And Sewer | — | (510) 228 2445 | Other | San Leandro · Alameda County | — | — |
| Platinum Premier Construction INC | Pedro Vazquez Perez | — | (866) 960 8763 | GC, remodel, ADU | Union City · Alameda County | — | — |
| Platt C M | Platt C M | — | (510) 290 1586 | GC, remodel, ADU | Piedmont · Alameda County | — | — |
| Platypus Painting INC | Colin Campbell Baird | info@platypuspainting.com | (510) 508 0736 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Pleasanton Glass Co | Jennifer Nicole Brown | info@pleasantonglass.com | (925) 846 2628 | Windows, patio, painters | Pleasanton · Alameda County | — | — |
| Pleasanton Steel & Supply Co | Gilbert Daniel Badilla | — | (925) 606 1599 | Other | Livermore · Alameda County | — | — |
| Plumbing 1 Builder's INC | Victor Ernesto Funes-Bolanos | — | (650) 868 8059 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Plumbing Connection | Israr Mohammad Khan | — | (510) 377 3341 | Other | Union City · Alameda County | — | — |
| Plumbing Experts INC | Ivaylo Marinov Kirov | — | (925) 488 2838 | GC, remodel, ADU | Dublin · Alameda County | — | — |