| Plumbing Pal | Plumbing Pal | — | (805) 621 0888 | Other | Arroyo Grande · San Luis Obispo County | — | — |
| Pojas Floor And Tile | Pojas Floor And Tile | — | (805) 748 8115 | Other | Atascadero · San Luis Obispo County | — | — |
| Poletti Pump And Maintenance Service | Daniel Martin Poletti | — | (805) 610 5741 | Other | San Luis Obispo · San Luis Obispo County | — | — |
| Ponce Development INC | Patricia Epiphany Ponce | — | (818) 612 3730 | GC, remodel, ADU | Nipomo · San Luis Obispo County | — | — |
| Pony Express Construction INC | Patrick Joseph Campbell | — | (805) 460 7077 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Poorboy Electric And Lighting | Erik Stephen Poor | — | (805) 452 6067 | Electricians | San Luis Obispo · San Luis Obispo County | — | — |
| Porter Diving LLC | Eleanor Kay Porter | — | (805) 460 8589 | Other | Atascadero · San Luis Obispo County | — | — |
| Porter Engineering | Lucas Allan Porter | — | (805) 400 0259 | Other | Santa Margarita · San Luis Obispo County | — | — |
| Portola Built INC | Caine | — | (805) 550 5835 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Potter Plumbing INC | Justin Levi Smith | — | (805) 927 4069 | Other | Cambria · San Luis Obispo County | — | — |
| Powell Built INC | Charlie Phillip Powell | %20matthew@powellbuilt.com | (805) 423 6726 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Power Installations | Power Installations | info@powerinstallations.com | (805) 975 8086 | Electricians | Paso Robles · San Luis Obispo County | — | — |
| Power Plumbing INC | Robert Douglas Ryan | — | (805) 541 2444 | HVAC | San Luis Obispo · San Luis Obispo County | — | — |
| Power.net | Neils Jorgen Thulstrup | — | (562) 233 1693 | Electricians | Atascadero · San Luis Obispo County | — | — |
| Powers Construction | Zachary Andrew Powers | info@powersconstruction.com | (805) 598 5877 | GC, remodel, ADU | Nipomo · San Luis Obispo County | — | — |
| Pozzi Bros Electric LLC | Owen Clifford Pozzi | — | (831) 809 4490 | Electricians | Templeton · San Luis Obispo County | — | — |
| Precise Electric | James Michael Hungate | interested@domainmarket.com | (951) 970 4980 | Electricians | Santa Margarita · San Luis Obispo County | — | — |
| Precision & Quality Painting INC | Hugo Rogelio Perez Yescas | — | (805) 610 4513 | Windows, patio, painters | Paso Robles · San Luis Obispo County | — | — |
| Precision Drywall | Precision Drywall | — | (805) 674 7394 | Other | Paso Robles · San Luis Obispo County | — | — |
| Precision Drywall | Precision Drywall | — | (805) 310 1677 | Other | Nipomo · San Luis Obispo County | — | — |
| Precision Plumbing | Lori Kathryn Feeley | workorders@precision-plumbing.com | (805) 391 3143 | Other | Paso Robles · San Luis Obispo County | — | — |
| Precision Septic INC | William Clayton Bowman | — | (805) 859 4885 | Other | Atascadero · San Luis Obispo County | — | — |
| Precision Stone | Shawn Davis Brown | — | (805) 674 2610 | Other | Santa Margarita · San Luis Obispo County | — | — |
| Premier Contruction | Premier Contruction | — | (805) 904 9979 | GC, remodel, ADU | Arroyo Grande · San Luis Obispo County | — | — |
| Prendergast Construction | Timothy William Prendergast | — | (805) 704 1545 | GC, remodel, ADU | Los Osos · San Luis Obispo County | — | — |
| Presidio Technology | Presidio Technology | — | (805) 781-0610 | Alarm and generators | San Luis Obispo · San Luis Obispo County | — | — |
| Price Construction | Steven Scott Price | amkryukov@gmail.com | (805) 235 9538 | GC, remodel, ADU | San Luis Obispo · San Luis Obispo County | — | — |
| Prime Build Co INC | Alexander Glotov | — | (323) 667 2191 | GC, remodel, ADU | Nipomo · San Luis Obispo County | — | — |
| Pristine Concrete | Pristine Concrete | — | (805) 237 9221 | GC, remodel, ADU | Paso Robles · San Luis Obispo County | — | — |
| Pristine Pool Services | Thomas Anthony Mazzo | interested@domainmarket.com | (805) 610 3114 | Pool | Templeton · San Luis Obispo County | — | — |
| Pro - Bilt INC | Brard Reginald | — | (805) 466 8822 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Pro - Line Building Services | Juan Antonio Wade | — | (831) 726 6706 | GC, remodel, ADU | Morro Bay · San Luis Obispo County | — | — |
| Pro - Tech Landscape & Maintenance | James Robert Stephenson | — | (805) 481 7914 | Windows, patio, painters | Arroyo Grande · San Luis Obispo County | — | — |
| Pro Era Construction INC | Jose Antonio Alvarez Martinez | — | (805) 550 6501 | GC, remodel, ADU | Santa Margarita · San Luis Obispo County | — | — |
| Pro Fessional Home Inspection Services | John Edward Ramsey | — | (805) 801 7129 | GC, remodel, ADU | Atascadero · San Luis Obispo County | — | — |
| Pro Image Painting Company | Bradley Dale Huber | — | (949) 244 7076 | Windows, patio, painters | Santa Margarita · San Luis Obispo County | — | — |
| Pro Pool Restoration | Pro Pool Restoration | dave@lab6.com | (805) 628 0104 | Windows, patio, painters | Morro Bay · San Luis Obispo County | — | — |
| Pro-h20 Drilling And Pump Company | Mike Edwin Barba | — | (805) 674 8674 | Other | Paso Robles · San Luis Obispo County | — | — |
| Production Concrete | Production Concrete | — | (805) 602 0452 | Other | Pismo Beach · San Luis Obispo County | — | — |
| Professional Coatings Of Slo INC | Thomas Joseph Giordano | — | (805) 544 9256 | Windows, patio, painters | Los Osos · San Luis Obispo County | — | — |