| Pjm Construction | Peter James Malkassian | — | (707) 364 8647 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Pk Construction INC | Patrick Gladstone Kiely | — | (415) 407 3469 | GC, remodel, ADU | Penngrove · Sonoma County | — | — |
| Pk Max INC | Jesus Daniel Gudino | — | (530) 570 2540 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Plantwise Design | Plantwise Design | — | (831) 420 7084 | Windows, patio, painters | Sebastopol · Sonoma County | — | — |
| Platinum Construction & Millwork INC | Steven James Nazaroff | — | (707) 321 6164 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Platinum Diamond Concrete | Garnica Ernesto Vazquez | platinumdiamondconcrete25@gmail.com | (707) 508 9693 | Other | Cloverdale · Sonoma County | — | — |
| Platinum Waves Electric | Kenneth Michael Arabia | — | (707) 658 1502 | Electricians | Petaluma · Sonoma County | — | — |
| Plexico Pool Service | Christopher Francis Plexico | — | (707) 363 9766 | Pool | Glen Ellen · Sonoma County | — | — |
| Plum Electric INC | Loren Robert Plum | — | (707) 756 7023 | Electricians | Healdsburg · Sonoma County | — | — |
| Plumb Em All | Plumb Em All | plumbemall@gmail.com | (415) 858 3120 | Other | Petaluma · Sonoma County | — | — |
| Plumb Smart | Gregory Allen Dobbins | — | (707) 977 8124 | Other | Sonoma · Sonoma County | — | — |
| Plumb-bob Construction | Timothy Charles Brown | — | (707) 396 0675 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Plumbers Plus INC | Steven Mosiurchak | mark@plumbers-plus.com | (707) 584 5837 | HVAC | Rohnert Park · Sonoma County | — | — |
| Plumbing Solutions | Plumbing Solutions | — | (707) 495 8536 | Other | Santa Rosa · Sonoma County | — | — |
| Pocket Canyon Construction | Ryan Patrick Cadigan | — | (707) 385 3979 | GC, remodel, ADU | Guerneville · Sonoma County | — | — |
| Polaris Consulting | Polaris Consulting | inquiries@polaris-consulting.com | (707) 795 8759 | Other | Cotati · Sonoma County | — | — |
| Polestar Design And Construction | Jamie Noel Lindberg | — | (415) 710 7359 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Pool Tech Service INC | Brian Edward Forget | — | (707) 545 0909 | Pool | Santa Rosa · Sonoma County | — | — |
| Popek Design / Build | Popek Design / Build | — | (707) 332 6160 | GC, remodel, ADU | Bodega Bay · Sonoma County | — | — |
| Poppy Design Build | Poppy Design Build | — | (707) 206 1726 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Poppy Design Build INC | Joel Glover Weirauch | — | (707) 206 1726 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Poppy State Plumbing INC | Finn Mceuen Hauger | poppystateplumbing1@gmail.com | (707) 360 2748 | Other | Cloverdale · Sonoma County | — | — |
| Popular Plumbing INC | Casey Richard Nippe | office@popular-plumbing.com | (707) 806 0911 | Other | Rohnert Park · Sonoma County | — | — |
| Portello Construction | James Louis Portello | — | (707) 721 6896 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Porter's Mechanical INC | Michael Aaron Porter | — | (707) 239 2297 | HVAC | Santa Rosa · Sonoma County | — | — |
| Portillo's Fence | Portillo's Fence | portillosfence@gmail.com | (707) 953 9939 | Other | Santa Rosa · Sonoma County | — | — |
| Potter's Custom Floors | Potter's Custom Floors | — | (707) 332 1463 | Other | Santa Rosa · Sonoma County | — | — |
| Pounden Constructors | Richard Paul Ruff | — | (707) 478 4990 | GC, remodel, ADU | Sebastopol · Sonoma County | — | — |
| Powell's Painting LLC | James Wesley Powell | jim@powellspaint.com | (707) 696 8417 | Windows, patio, painters | Windsor · Sonoma County | — | — |
| Power Play Electric | Phillip Andrew Tonole | wweeiihhuuaanngg@gmail.com | (707) 837 0846 | Electricians | Windsor · Sonoma County | — | — |
| Power Pole Service INC | Robert Anthony Davis | bob@powerpoleservice.com | (707) 586 1400 | Electricians | Santa Rosa · Sonoma County | — | — |
| Powerhouse Construction | Scott Wayne Keighley | info@powerhouse-construction.com | (805) 901 1047 | GC, remodel, ADU | Santa Rosa Valley · Sonoma County | — | — |
| Powerhouse Electric | Scott Daniel Slinkard | — | (530) 598 1450 | Electricians | Petaluma · Sonoma County | — | — |
| Precise Painting | Precise Painting | — | (707) 971 0876 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Precision Build Corporation | Sean Erick Mcfarland | — | (707) 595 5891 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Precision Concrete Construction LLC | Samuel John Biasi | interested@domainmarket.com | (707) 615 4956 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Precision Crane Service INC | Tyler Vincent Elliff | — | (707) 546 6900 | Other | Windsor · Sonoma County | — | — |
| Precision Drywall | Precision Drywall | — | (707) 292 4549 | Other | Santa Rosa · Sonoma County | — | — |
| Precision Excating And Grading INC | Daryl Christian Robertson | — | (707) 894 6207 | Other | Cloverdale · Sonoma County | — | — |
| Precision Garage Door Of Sonoma Napa Solano | Troy Allen Tanga | — | (808) 283 7333 | Other | Sonoma · Sonoma County | — | — |