| Precision Line Construction INC | Velasco Rolando Velasco | — | (415) 525 0504 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Precision Northbay INC | Bart George Vaio | — | (707) 696 8246 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Precision Pipeworks | Precision Pipeworks | — | (707) 508 5707 | Other | Rohnert Park · Sonoma County | — | — |
| Precision Tile | Precision Tile | — | (915) 355 3213 | Other | Santa Rosa · Sonoma County | — | — |
| Precision Woodcraft Hardwood Flooring | Renee Susanne Sauder | randypwflooring@gmail.com | (707) 483 8618 | Other | Cloverdale · Sonoma County | — | — |
| Precision Woodworks | Precision Woodworks | — | (707) 364 0641 | Other | Santa Rosa · Sonoma County | — | — |
| Premier Painting | Premier Painting | — | (707) 703 0476 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Pressure Pros Power Washing And Ice Blasting LLC | Kyle Vaughn Messer | — | (707) 360 4453 | Other | Santa Rosa · Sonoma County | — | — |
| Prestige Finishes | Prestige Finishes | — | (707) 782 0944 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Prestige Homes & Remodel INC | Joseph Ozzie Ozsvath | — | (707) 535 2055 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Prestige Landscaping Services LLC | Sandoval Lopez Odocio | — | (707) 694 6517 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Preston William Addison D B A Karma Dog Construction | Karma Dog Constructionm | — | (707) 360 5007 | GC, remodel, ADU | Cloverdale · Sonoma County | — | — |
| Prexa Electrical Contractor | Samuel Simion Precup | — | (707) 355 4040 | Electricians | Santa Rosa · Sonoma County | — | — |
| Prime Construction | Michael Allen Reagan | — | (707) 623 3362 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Prime Level Construction | Ismael Emilio Perez | info@primelevelconstruction.com | (707) 230 1950 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Prime Time Plumbing | Prime Time Plumbing | — | (707) 971 5102 | Other | Santa Rosa · Sonoma County | — | — |
| Primepest Guard | Primepest Guard | — | (415) 251-8604 | Pest, tile roofs | Sonoma · Sonoma County | — | — |
| Primo Custom Painting | Primo Custom Painting | — | (707) 328 2111 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Pristine Floor Covering | Pristine Floor Covering | amkryukov@gmail.com | (707) 536 8922 | Other | Santa Rosa · Sonoma County | — | — |
| Pristine Pool & Spa | Pristine Pool & Spa | — | (707) 823 4436 | GC, remodel, ADU | Healdsburg · Sonoma County | — | — |
| Pro Built Construction | Brian Andrew Martinez-gardner | — | (707) 889 9017 | GC, remodel, ADU | Rohnert Park · Sonoma County | — | — |
| Pro City Electric INC | Shawn Joseph Homem | — | (707) 545 2489 | Electricians | Santa Rosa · Sonoma County | — | — |
| Pro Flooring | Pro Flooring | — | (707) 355 4455 | Other | Rohnert Park · Sonoma County | — | — |
| Pro Plumb | Jordan Michael Loiseaux | — | (707) 293 5404 | Other | Sebastopol · Sonoma County | — | — |
| Pro Sign Service | Richard Earl Wells | signs@prosignservice.com | (707) 528 0373 | Other | Rohnert Park · Sonoma County | — | — |
| Pro Tile | Pro Tile | info@protile.com | (707) 696 5534 | Other | Sebastopol · Sonoma County | — | — |
| Pro-tech Plumbing Service And Repair | Jason Arthur Sapienza | — | (707) 620 8779 | Other | Santa Rosa · Sonoma County | — | — |
| Proadvantage Painting LLC | Edward John Gregory Wood | — | (707) 953 5348 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Professional Tree Surgeons | Torres Jair Bustos | — | (707) 481 5240 | Other | Rohnert Park · Sonoma County | — | — |
| Professionally Applied Coatings | Professionally Applied Coatings | info@professionally-applied-coatings.com | (707) 206 8633 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Progressive Drywall | Progressive Drywall | — | (707) 292 9180 | Other | Forestville · Sonoma County | — | — |
| Progressive Plastering INC | Colm Matthew Mc Allister | — | (415) 699 8165 | Other | Petaluma · Sonoma County | — | — |
| Promise Energy INC | Adam Frans Boucher | info@info.promiseenergy.com | (707) 934 5459 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Promise Energy Inc/eagle Environmental Construction & Development | Energy INC Promise | — | (707) 934 5459 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Provision Enterprise INC | Ismael Emilio Perez | — | (707) 376 8890 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Pruett Construction Co | Kyle James Pruett | — | (707) 766 4933 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Pruett Fence Company INC | Jerold Jerard Pruett | — | (707) 763 4518 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Pruett Properties Construction | Nicholas Jay Pruett | — | (707) 303 5605 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Prunuske Chatham INC | Michael Alan Jensen | — | (707) 824 4600 | Windows, patio, painters | Sebastopol · Sonoma County | — | — |
| Prushko Plumbing | Prushko Plumbing | prushkoplumbing@gmail.com | (707) 933-7586 | Other | El Verano · Sonoma County | — | — |