| Ozdemir Batili Yildiz | Ozdemir Batili Yildiz | — | (650) 921 0583 | Electricians | Vallejo · Solano County | — | — |
| P & P Construction | Jose Luis Hernandez | — | (707) 720 5160 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| P 1 Electric INC | Justin Michael Pendergraft | info@pelectric.com | (707) 761 0779 | Electricians | Vacaville · Solano County | — | — |
| P C S Construction | Christopher L Sittinger | — | (707) 592 9005 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| P E M Insulation Co INC | Trevor Wade Payne | — | (707) 746 7040 | Other | Fairfield · Solano County | — | — |
| P N Landscaping | P N Landscaping | — | (925) 408 0709 | Windows, patio, painters | Vallejo · Solano County | — | — |
| P O C Construction | Gary Anthony Duello | — | (707) 580 1207 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Pablo's Concrete INC | Rogelio Sr Pablo Ramirez | pablosconcrete2024@gmail.com | (707) 810 7257 | Other | Vallejo · Solano County | — | — |
| Pacific Climate Solutions | Pacific Climate Solutions | — | (707) 689 9249 | HVAC | Vallejo · Solano County | — | — |
| Pacific Coast A V | David Moran Bastida | info@pacificcoastav.com | (949) 640-5093 | Other | Vacaville · Solano County | — | — |
| Pacific Coast Concrete | Pacific Coast Concrete | — | (415) 572 6640 | Other | Fairfield · Solano County | — | — |
| Pacific Crown Builders | Pacific Crown Builders | — | (707) 974 8307 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Pacific General Construction Company | Prasad Yogendra | — | (510) 334 5546 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Pacific Infrastructure Construction LLC | Jay Patrick Zoellner | — | (707) 449 3604 | Other | Vacaville · Solano County | — | — |
| Pacific Infrastructure Constructors INC | Jay Patrick Zoellner | — | (707) 449 3604 | Other | Vacaville · Solano County | — | — |
| Pacific Luxury Services INC | Zapien Roberto Guerrero | — | (510) 660 8663 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Pacific Post Tension | Jason Maynard Brown | — | (707) 451 4488 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Packin' Heat Heating And Air | James Chang Carrion | — | (707) 564 5131 | HVAC | Vacaville · Solano County | — | — |
| Padilla's Woodwork | Padilla's Woodwork | — | (707) 592 7945 | Other | Fairfield · Solano County | — | — |
| Painters Plus | Painters Plus | — | (707) 437 2458 | Windows, patio, painters | Fairfield · Solano County | — | — |
| Pal American Renovations | Pal American Renovations | — | (707) 438 9035 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Pale Horse Asphalt Engineering | Trevor Scott Dormire | — | (559) 696 1402 | Other | Dixon · Solano County | — | — |
| Palma's General Construction | Jesus Israel Palma Gomez | — | (707) 384 4169 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Palmer Electric Co | Lyndon David Palmer | — | (707) 745 8365 | Electricians | Benicia · Solano County | — | — |
| Palomino Painting | Palomino Painting | — | (224) 406-1339 | Windows, patio, painters | Dixon · Solano County | — | — |
| Panoramic Doors - Solana Beach | Panoramic Doors - Solana Beach | — | (760) 458-0319 | GC, remodel, ADU | Solana Beach · Solano County | — | — |
| Pappas Construction | William Frederick Pappas | — | (707) 315 1134 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Park Avenue Turf INC | Michael Beaty Strunk | — | (707) 823 8899 | GC, remodel, ADU | Dixon · Solano County | — | — |
| Parker Construction | Scott William Parker | — | (707) 334 2499 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Parr 5 Electric | Jason Richard Parr | — | (707) 631 6318 | Electricians | Vacaville · Solano County | — | — |
| Parthenon Painting Co | Tgonis Yannis | — | (707) 448 7551 | Windows, patio, painters | Vacaville · Solano County | — | — |
| Patin Construction | Mortimer Wayne Patin | — | (707) 631 3441 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Patino Construction Concrete Specialists | Erik Alexander Wolf | — | (707) 980 0442 | Other | Benicia · Solano County | — | — |
| Patrick M Donaghue | Patrick M Donaghue | — | (707) 974 4649 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Patrick R Duggan DBA Skilled Construction Services | Patrick Russell Duggan | — | (510) 715 7301 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Patton Construction | Cal Ward Patton | — | (707) 689 7378 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Paul Avila Thee General Contractor | Paul Avila Thee General Contractor | — | (707) 450 5665 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Paul Ecklind Construction | Paul Louis Ecklind | — | (707) 642 1520 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Paul Graham Drilling And Service Co | Drew Kevin Graham | — | (707) 374 5123 | Other | Rio Vista · Solano County | — | — |
| Paul Isaak Painting & Design | Paul Isaak Painting & Design | — | (707) 888 8306 | Windows, patio, painters | Vallejo · Solano County | — | — |