| Peabody Construction INC | Thomas Michael Paschal | — | (707) 331 2293 | GC, remodel, ADU | Guerneville · Sonoma County | — | — |
| Peak Performance Refrigeration INC | Kris Lawrence Suiter | peakperformanceref@att.net | (707) 526 3600 | HVAC | Santa Rosa · Sonoma County | — | — |
| Pearce Home Comfort INC | Jeffrey Kenneth Pearce | — | (415) 233 2803 | HVAC | Sonoma · Sonoma County | — | — |
| Pearson Drilling | Pearson Drilling | — | (707) 887 8349 | Other | Forestville · Sonoma County | — | — |
| Pearson Exploration | Pearson Exploration | — | (707) 824 4888 | Other | Sebastopol · Sonoma County | — | — |
| Pearson Mechanical | Pearson Mechanical | — | (707) 791 3517 | HVAC | Santa Rosa · Sonoma County | — | — |
| Pedrazzini Construction | Tony Carl Pedrazzini | — | (707) 889 7805 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Pedrazzini Construction INC | Tony Carl Pedrazzini | pedrazziniconstruction@gmail.com | (707) 889 7805 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Pedroni Construction | Robert Anthony Pedroni | — | (707) 953 9349 | GC, remodel, ADU | Healdsburg · Sonoma County | — | — |
| Pelican Builders | Andrew Mitchell | — | (831) 419 6249 | GC, remodel, ADU | Bodega Bay · Sonoma County | — | — |
| Pellegrini's Platinum Painting Services | David Ralph Pellegrini | — | (707) 291 2615 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Penn Construction INC | Ben Miller Penn | — | (707) 836 6938 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Penna Construction | Sean Joseph Penna | dave@lab6.com | (650) 784 3265 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Pennacchio Tile INC | Wendy Lee Pennacchio | — | (707) 588 8952 | Other | Rohnert Park · Sonoma County | — | — |
| Penngrove Plumbing | Michael Anthony Iv Adan | — | (707) 337 1577 | Other | Petaluma · Sonoma County | — | — |
| Pennington Glass | Pennington Glass | — | (707) 321 7108 | Windows, patio, painters | Rohnert Park · Sonoma County | — | — |
| Pepe's Painting | Pepe's Painting | — | (707) 338 4452 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Peregrine Ii Construction INC | Jose Raul Delgado Hernandez | — | (707) 328 4927 | GC, remodel, ADU | Rohnert Park · Sonoma County | — | — |
| Perfect Green Oak Lawn & Landscape | Arreguin Refugio | — | (707) 304 2630 | Windows, patio, painters | Windsor · Sonoma County | — | — |
| Perfect Pass Pool Service | Jose Luis Lira | — | (707) 544 4200 | Pool | Rohnert Park · Sonoma County | — | — |
| Performance Dry Wall | Performance Dry Wall | — | (707) 696 1550 | Other | Windsor · Sonoma County | — | — |
| Performance Electric | Allan Daniel Brown | — | (707) 774 9700 | Electricians | Santa Rosa · Sonoma County | — | — |
| Permaculture Artisans | Permaculture Artisans | — | (707) 824 0836 | Windows, patio, painters | Sebastopol · Sonoma County | — | — |
| Permagreen Landscapes | Permagreen Landscapes | — | (415) 726 3018 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Perot Construction | Thomas Morris Perot | — | (707) 287 2646 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Perry Tile | Perry Tile | — | (707) 696 0394 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Perrys Pumps | Perrys Pumps | wweeiihhuuaanngg@gmail.com | (707) 495 3750 | Other | Santa Rosa · Sonoma County | — | — |
| Petaluma Building Maintenance | Petaluma Building Maintenance | — | (707) 486 6149 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Petaluma Concrete Construction | Christopher Aaron Ramirez | — | (707) 778 0415 | Other | Petaluma · Sonoma County | — | — |
| Petaluma Home Repair | Petaluma Home Repair | — | (707) 758 9022 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Petaluma Plastering INC | Francisco Javier Juarez | — | (707) 483 1578 | Other | Petaluma · Sonoma County | — | — |
| Petaluma Pool Service | Richard Kenneth Johnson | — | (707) 762 2525 | Pool | Petaluma · Sonoma County | — | — |
| Petaluma Sign Company | John Robert Ton | — | (707) 322 0009 | Other | Petaluma · Sonoma County | — | — |
| Peter A Lang | Peter A Lang | — | (707) 318 0187 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Peter Aigner Construction | Peter Patrick Aigner | — | (707) 775 7447 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Peter Breeden | Peter Breeden | — | (707) 490 9531 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Peter Clements | Peter Clements | — | (707) 478 2363 | Windows, patio, painters | Sonoma · Sonoma County | — | — |
| Peter De Boom | Peter De Boom | — | (707) 762 8794 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Peter Gobbi | Peter Gobbi | — | (707) 696 6612 | Other | Penngrove · Sonoma County | — | — |
| Peter J Barbieri Construction | Peter John Barbieri | — | (707) 484 2450 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |