| Napa Power Plus INC | Peter Emerio Gonzalez | — | (707) 252 7383 | Electricians | Napa · Napa County | — | — |
| Napa Property Management | Napa Property Management | info@atlas-pm.com | (707) 681-0639 | Property managers | Napa · Napa County | — | — |
| Napa Recycling & Waste Services LLC | George Stephen Nielson | — | (707) 256 3500 | Other | Napa · Napa County | — | — |
| Napa Roofing Contractor & Roof Repair | Napa Roofing Contractor & Roof Repair | — | (707) 812-6368 | Other roofers | Napa · Napa County | — | — |
| Napa Roofing Replacement & Roof Repair | Napa Roofing Replacement & Roof Repair | — | (707) 320-1807 | Other roofers | Napa · Napa County | — | — |
| Napa Roots INC DBA Napa Roots Landscaping | Roger Lee Valencich | — | (650) 670 0605 | Windows, patio, painters | Napa · Napa County | — | — |
| Napa Septic Tank Service INC | Ceja Jose | — | (707) 224 1748 | Other | Napa · Napa County | — | — |
| Napa Specialty Coatings INC | Kenneth Thomas Engleman | — | (707) 252 0551 | Windows, patio, painters | Napa · Napa County | — | — |
| Napa Tree Care | Napa Tree Care | hello@napatreecare.com | (707) 254-6467 | Tree | Napa · Napa County | — | — |
| Napa Tree Services | Napa Tree Services | — | (707) 207-8622 | Tree | Napa · Napa County | — | — |
| Napa Valley Builder | Napa Valley Builder | — | (707) 363 8789 | GC, remodel, ADU | Napa · Napa County | — | — |
| Napa Valley Builders | Scott Alan Christopher | bbiconstruction@yahoo.com | (707) 249 8057 | GC, remodel, ADU | Napa · Napa County | — | — |
| Napa Valley Builders Co LLC | Trejo Ayala Jaime | bbiconstruction@yahoo.com | (707) 260 5720 | GC, remodel, ADU | Napa · Napa County | — | — |
| Napa Valley Dream LLC | John Willard Apodaca | — | (707) 363 0569 | GC, remodel, ADU | Napa · Napa County | — | — |
| Napa Valley Gardening | Bryan Ruiz-Maravilla | — | (707) 363 0301 | Windows, patio, painters | Yountville · Napa County | — | — |
| Napa Valley Glass Co INC | Beverly Ann Cavagnaro | — | (707) 255 3544 | Windows, patio, painters | Napa · Napa County | — | — |
| Napa Valley Home Inspections | Napa Valley Home Inspections | — | (707) 260-5524 | Inspectors | Napa · Napa County | — | — |
| Napa Valley Hot Tubs | Napa Valley Hot Tubs | — | (707) 252-2441 | Pool | Napa · Napa County | — | — |
| Napa Valley Lawn & Garden Company | Wendell Roy Newcomb | — | (707) 265 9130 | Windows, patio, painters | Napa · Napa County | — | — |
| Napa Valley Precision Plumbing INC | Nickolas Griffith Riera | — | (707) 492 6464 | Other | Napa · Napa County | — | — |
| Napa Valley Remodel | Napa Valley Remodel | — | (707) 333 9043 | GC, remodel, ADU | Napa · Napa County | — | — |
| Napa Valley Restorations | Napa Valley Restorations | — | (707) 478-3649 | Restoration | St Helena · Napa County | — | — |
| Napa Valley Roofing | Napa Valley Roofing | nvroofing@napavalleyroofing.com | — | Other roofers | Napa · Napa County | — | — |
| Napa Valley Roofing & Construction LLC | Bruce Howard Trask | nvroofing@napavalleyroofing.com | (707) 253 9293 | Other roofers | Napa · Napa County | — | — |
| Napa Valley Tree Service INC | Daniel Wayne Waldschmitt | — | (707) 226 3602 | Tree | Napa · Napa County | — | — |
| Napascapes INC | Jorge Antonio Martinez Aparicio | — | (707) 756 2674 | Windows, patio, painters | Calistoga · Napa County | — | — |
| Napco Painting Contractors INC A California Corporation | Garrett Daniel Childress | office@napcopaintinginc.com | (707) 255 4359 | Windows, patio, painters | Napa · Napa County | — | — |
| Napco Painting Contractors Inc. | Napco Painting Contractors Inc. | — | (707) 899-1995 | Windows, patio, painters | Napa · Napa County | — | — |
| Nate Silverman Electric | Nathan Paul Silverman | — | (707) 738 9868 | Electricians | Napa · Napa County | — | — |
| Nature's Way Landscaping INC | Jo Ann Susa| Susa Jo Goodwin | — | (707) 815 8604 | Windows, patio, painters | Napa · Napa County | — | — |
| Navarro Welding | Navarro Welding | — | (707) 666 5145 | Other | Napa · Napa County | — | — |
| Neadho Landscaping | Neadho Landscaping | — | (707) 292 6594 | Windows, patio, painters | Napa · Napa County | — | — |
| Nelson Pool & Spa Service | David Edward Nelson | — | (707) 337 9432 | Pool | Napa · Napa County | — | — |
| New Garden Mechanics | New Garden Mechanics | — | (707) 257 7182 | Windows, patio, painters | Napa · Napa County | — | — |
| New Horizon Landscaping LLC | Gordon Lee Goo | info@ndiscovered.com | (707) 312 9118 | Windows, patio, painters | Napa · Napa County | — | — |
| New Life Construction | Soonyoung Chung Park | newlifeconstruction.yyc@gmail.com | (707) 312 3635 | GC, remodel, ADU | Angwin · Napa County | — | — |
| New Visions Building & Specialties INC | Randall Edmund Jesch | — | (707) 888 0427 | GC, remodel, ADU | Napa · Napa County | — | — |
| New World Tile & Marble | New World Tile & Marble | — | (707) 333 3572 | Other | Napa · Napa County | — | — |
| Newman Construction | Gary Brent Newman | — | (707) 363 7941 | GC, remodel, ADU | Napa · Napa County | — | — |
| Nichols Custom Floors | Nichols Custom Floors | — | (707) 815 2550 | Other | Napa · Napa County | — | — |