| Peter J Schmidt Construction | Peter Joseph Schmidt | — | (707) 291 5424 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Peter Murray Landscaping | Peter Murray Landscaping | — | (707) 486 7943 | Windows, patio, painters | Windsor · Sonoma County | — | — |
| Peter Pipers Plumbing | Peter Pipers Plumbing | — | (707) 318 0008 | Other | Santa Rosa · Sonoma County | — | — |
| Peter Riley Gang Construction | Peter Riley Gang | — | (707) 766 4049 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Peter Royal Lucatorta | Peter Royal Lucatorta | — | (415) 225 1958 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Peters Construction | Caleb Thomas Peters | — | (707) 888 2339 | GC, remodel, ADU | Guerneville · Sonoma County | — | — |
| Peters Excavating INC | Ronald Wade Jr Peters | — | (707) 876 3149 | Other | Occidental · Sonoma County | — | — |
| Petersen & Son General Contractor | John Christopher Petersen | — | (415) 601 4355 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Petersen - Gpm Well Testing And Water Treatment Services LLC | Matthew Raymond Petersen | — | (707) 823 4102 | Other | Santa Rosa · Sonoma County | — | — |
| Petersen Builders INC | Kyle Wade Petersen | — | (707) 838 3035 | GC, remodel, ADU | Windsor · Sonoma County | — | — |
| Petersen Construction | Carrie Lyn Petersen | interested@domainmarket.com | (707) 217 8127 | GC, remodel, ADU | Rohnert Park · Sonoma County | — | — |
| Peterson Mechanical INC | Michael Alden Titchenal | — | (707) 938 8481 | HVAC | Sonoma · Sonoma County | — | — |
| Peterson Paving | Peterson Paving | — | (707) 310 3262 | Other | Petaluma · Sonoma County | — | — |
| Peterson Tile | Peterson Tile | — | (707) 579 3952 | Other | Santa Rosa · Sonoma County | — | — |
| Petroni Engineering | Petroni Engineering | — | (707) 239 0066 | Other | Penngrove · Sonoma County | — | — |
| Petrucci & Sons INC | Kristopher Stephen Petrucci | — | (707) 823 0530 | Other | Sebastopol · Sonoma County | — | — |
| Pfs Plumbing LLC | Andrew John William Ross | — | (707) 888 9328 | Other | Santa Rosa · Sonoma County | — | — |
| Phase Electric LLC | Jordan Tyler Murgatroyd | kent@phaseelectric.com | (214) 808-1003 | Electricians | Glen Ellen · Sonoma County | — | — |
| Phelim J Sweeney Construction | Phelim John Sweeney | — | (707) 938 3861 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Phil Luttrell Artisan Building | Phil Luttrell Artisan Building | — | (415) 261 8782 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Phil Pilisdorf HVAC | Phil Pilisdorf HVAC | — | (707) 478 9671 | HVAC | Santa Rosa · Sonoma County | — | — |
| Phil Sciacca Drywall | Phil Sciacca Drywall | — | (415) 420 2102 | Other | Penngrove · Sonoma County | — | — |
| Philipsen Electrical | Mark Jorgon Philipsen | — | (707) 695 6897 | Electricians | Sebastopol · Sonoma County | — | — |
| Phillip Heiman | Phillip Heiman | — | (707) 753 0751 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Phoenix Woodworking | Phoenix Woodworking | chuck.phoenixwood@gmail.com | (707) 546 6004 | Other | Santa Rosa · Sonoma County | — | — |
| Piazza Construction | James Anthony Piazza | — | (707) 876 3410 | Other | Penngrove · Sonoma County | — | — |
| Pica Painting & Design LLC | Kenneth Eugene Clayton | picapainting@gmail.com | (707) 938 5294 | Windows, patio, painters | Sonoma · Sonoma County | — | — |
| Pierce Electric | Rodney William Pierce | — | (707) 318 9994 | Electricians | Santa Rosa · Sonoma County | — | — |
| Pierre Homes | Pierre Homes | — | (707) 494 3068 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Pimentel Paving INC | Joseph William Pimentel | — | (707) 588 8402 | Other | Santa Rosa · Sonoma County | — | — |
| Pin Core LLC | Luis Manuel Aguilar | — | (469) 490 9899 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Pine Creek Development Corporation | Donna Lee Martin | pinecreekd@gmail.com | (707) 578 1125 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Pine Ridge Plumbing | Pine Ridge Plumbing | — | (707) 292 1492 | Other | Guerneville · Sonoma County | — | — |
| Pinocchio Furniture Restoration & Repair | Pinocchio Furniture Restoration & Repair | — | (707) 996-1667 | Restoration | Sonoma · Sonoma County | — | — |
| Pintail Landscaping LLC | Benjamin Joseph Syufy | ben@pintaillandscape.com | (415) 944 0902 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Pioneer Fire INC | Richard John Allen | — | (707) 762 3473 | Other | Petaluma · Sonoma County | — | — |
| Pipe Quest Plumbing | Pipe Quest Plumbing | — | (707) 571 9378 | Other | Santa Rosa · Sonoma County | — | — |
| Pipecleaners Top Chimney Maintenance | Pipecleaners Top Chimney Maintenance | — | (707) 318 6919 | Other | Bodega Bay · Sonoma County | — | — |
| Pirinoli Construction | Gary Thomas Pirinoli | — | (707) 337 6094 | GC, remodel, ADU | Sebastopol · Sonoma County | — | — |
| Pivot Contracting INC DBA Redline Defensible Space | Brian John White | — | (707) 481 4154 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |