| N Huber Hydronics LLC DBA Nathaniel Huber | Nathaniel Tobey Huber | — | (415) 683 8369 | HVAC | Santa Rosa · Sonoma County | — | — |
| N P I Electrical | Nathan Paul Irvine | — | (707) 396 3199 | Electricians | Santa Rosa · Sonoma County | — | — |
| N S C Development INC | Cornelius Silvester Cotter | — | (415) 215 5805 | GC, remodel, ADU | Healdsburg · Sonoma County | — | — |
| N S T Construction Company | Nicole Annette Oblad | — | (707) 537 7433 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Naber Tile & Stone INC | Justin Eugene Naber | — | (707) 789 0751 | Other | Petaluma · Sonoma County | — | — |
| Nailed It! Framing Company | Dustin James Kennemer-washeba | — | (707) 228 2570 | Other | Santa Rosa · Sonoma County | — | — |
| Nancy Vella | Nancy Vella | — | (707) 575 5510 | Other | Santa Rosa · Sonoma County | — | — |
| Napa Sonoma Builders | Napa Sonoma Builders | — | (916) 602 7418 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Napa Valley Crane Service | Budd Alan Elliff | — | (707) 258 1950 | Other | Windsor · Sonoma County | — | — |
| Nason Excavation INC | Duncan Elijah Nason | — | (707) 490 9022 | Other | Santa Rosa · Sonoma County | — | — |
| Natal Modica Construction INC | Natal Christopher Modica | — | (415) 531 3363 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Natalini Industries LLC | Leon James Natalini | — | (707) 364 3883 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Nate Gray Excavating & Grading | Nate Gray Excavating & Grading | — | (707) 953 4194 | Other | Sebastopol · Sonoma County | — | — |
| Nathan A Creer DBA Backyards - 2 - Bathrooms | Backyards - 2 - Bathrooms | — | (707) 484 0681 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Nathan Costa Electric | Nate Andrew Costa | — | (707) 372 9287 | Electricians | Forestville · Sonoma County | — | — |
| Nathan Thomas | Nathan Thomas | — | (707) 483 5422 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Nathaniel Roberts | Nathaniel Roberts | — | (707) 778 8514 | Electricians | Petaluma · Sonoma County | — | — |
| Nation Construction And Management INC | Paul Perinotto | — | (707) 799 1250 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Native Construction | Michael Anthony Halbe | — | (369) 219 1018 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Natural Painting Service INC | Gamaliel Salvador Gutierrez Gonzalez | — | (707) 695 3649 | Windows, patio, painters | Rohnert Park · Sonoma County | — | — |
| Natural Renovations | Natural Renovations | — | (707) 888 1512 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Nature Pacific Pest Services DBA Nature Pacific Builders | Janver Craig Holly | — | (707) 364 1319 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Nature Science Pest Control Inc. | Nature Science Pest Control Inc. | — | (707) 586-2514 | Pest, tile roofs | Rohnert Park · Sonoma County | — | — |
| Natures Tailor | Natures Tailor | — | (707) 291 3066 | Windows, patio, painters | Windsor · Sonoma County | — | — |
| Naturis Design | Delon Brandon | naturisdesign@gmail.com | (707) 775 1965 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Navarrete | Alexander Navarrete | firstname@navarrete.com | (707) 585 8520 | Tree | Santa Rosa · Sonoma County | — | — |
| Navarro Electric | Richard Daniel Navarro | — | (415) 559 8408 | Electricians | Santa Rosa · Sonoma County | — | — |
| Navarro Flooring | Navarro Flooring | — | (415) 246 4149 | Other | Rohnert Park · Sonoma County | — | — |
| Nbe Property Restoration | David Edward Keith | help@nberestoration.com | (707) 546 2228 | Electricians | Santa Rosa · Sonoma County | — | — |
| Nc Construction LLC | Fernie Acevedo | — | (415) 532 5185 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Ncm Builders LLC | Nicholas Clay Murphey | — | (707) 478 0726 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Neade's Electric | Nicholas Jeremy Neade | — | (707) 305 6400 | Electricians | Cazadero · Sonoma County | — | — |
| Neary Landscape INC | Brian Patrick Neary | — | (707) 588 8677 | Windows, patio, painters | Cotati · Sonoma County | — | — |
| Nebel Plumbing INC | Albin Emil Nebel | — | (707) 696 3484 | Other | Santa Rosa · Sonoma County | — | — |
| Neighbor Homes | Neighbor Homes | — | (707) 696 3499 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Neighborhood Yard And Garden | Neighborhood Yard And Garden | — | (707) 592 5518 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Neil Cudden Painting | Neil Cudden Painting | — | (720) 297 1239 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| Nelson & Family Landscaping LLC | Nelson Antonio Alvarenga | — | (707) 596 1768 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Nelson Silva | Nelson Silva | info@nelsonsilva.com | (707) 484 2257 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Nelson's Tree Service | Merle Edwin Nelson | — | (707) 573 0727 | Tree | Bodega Bay · Sonoma County | — | — |