| Nextgen Power Solutions | Nextgen Power Solutions | — | (805) 501 0039 | Electricians | Simi Valley · Ventura County | — | — |
| Ng Building INC | Xiaofei Zhou | — | (626) 348 9872 | Electricians | Camarillo · Ventura County | — | — |
| Nick Jones Construction | Nicholas Quincy Jones | — | (805) 732 7041 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Nick Pardinas Construction INC | Nicholas Oscar Pardinas | nickpardinasconstruction@gmail.com | (805) 501 3708 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Nick's Pool And Spa Service | Jose Nicolas Hernandez | — | (805) 340 8019 | Pool | Fillmore · Ventura County | — | — |
| Nick's Roofing INC | Hernandez-tellez Nicolas | — | (805) 604 0210 | Other roofers | Oxnard · Ventura County | — | — |
| Nicodemus Development INC | David Glen Nicodemus | — | (818) 606 0355 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Nika Electric | Oleksandr V Malis | info@nika-electric.com | (818) 455 6903 | Electricians | Moorpark · Ventura County | — | — |
| Nikos Arshag Boghosian | Nikos Arshag Boghosian | — | (805) 660 3129 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| No Finish Lines Drywall Company | Randy Jonathan Cervantez | — | (805) 854 4472 | Other | Simi Valley · Ventura County | — | — |
| No Limit Construction | Daniel Rueben Jr Garcia | interested@domainmarket.com | (805) 857 9235 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| No Name Plumbing | Trees Home Services INC Two | — | (805) 940 1204 | Other | Ventura · Ventura County | — | — |
| Noble Air INC | Ali Mohammad Hossienpour | — | (805) 529 7979 | HVAC | Moorpark · Ventura County | — | — |
| Noble Electric | Michael Scott Noble | interested@domainmarket.com | (805) 320 1121 | Electricians | Simi Valley · Ventura County | — | — |
| Noble Nest Construction INC | Ismael Ascencio | — | (818) 278 7905 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Noe Madrigal Landscape | Noe Madrigal Landscape | — | (805) 794 4948 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Noe S Rodriguez | Noe S Rodriguez | — | (805) 236 3076 | Windows, patio, painters | Oxnard · Ventura County | — | — |
| Nokon Construction INC | Ashkon Jadali | — | (408) 455 3387 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Nolasco Tree Service LLC | Ruth Noemi Pena | — | (805) 236 2455 | Other | Camarillo · Ventura County | — | — |
| Nook + Nail | Juan Jose Ruiz | — | (818) 481 1710 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Norcare LLC | Delbert Lee Turetzky | postmaster@norcare.com | (925) 529 1113 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Nordic Construction | Thorsteinsson Thorstein | — | (805) 304 3944 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Nordic Services | Randall Wayne Nordin | — | (805) 766 1794 | Other | Ventura · Ventura County | — | — |
| Norhye INC | Norvan Ploozian | — | (805) 648 5041 | Other | Ventura · Ventura County | — | — |
| North Star Roofing INC | James Steven Brunett | — | (805) 290 4842 | Other roofers | Camarillo · Ventura County | — | — |
| North West Landscaping & Maintenance | North West Landscaping & Maintenance | — | (805) 509 0724 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Northern Lights Electric | Jon William Rueb | — | (805) 705 7932 | Electricians | Ventura · Ventura County | — | — |
| Northlink Services | Peter Matthew Lee | — | (800) 399 9761 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Northridge Floor Corp | Christian Allen Packer | — | (818) 349 3672 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Nova Plastering | Nova Plastering | customerservice@novaplastering.com | (805) 428 2707 | Other | Simi Valley · Ventura County | — | — |
| Novatio Renovation Contractor INC | Michael Lee Rovner | — | (805) 578 2414 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Now Winter | Now Winter | — | (805) 259 6972 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Np Waterproofing | Jose Alfonso Cruz Olvera | — | (805) 231 3521 | Other | Newbury Park · Ventura County | — | — |
| Nrc Finish Carpentry | Nrc Finish Carpentry | — | (805) 906 1536 | Other | Thousand Oaks · Ventura County | — | — |
| Nrg Roofing | Nrg Roofing | lc@nrg-roofing.com | (805) 223-8715 | Other roofers | Ventura · Ventura County | — | — |
| Ns Elite INC | Camacho Adriana Nava | — | (805) 863 0279 | Other | Oxnard · Ventura County | — | — |
| Nss Construction INC | Antonio Zamudio Lira | — | (805) 607 9771 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Nt Energy INC | Nobunori Tamura | — | (310) 803 0136 | Electricians | Ventura · Ventura County | — | — |
| Nu Line Partners INC | Kellie Lee Tomasello | — | (805) 648 2138 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Nu-star Glass & Mirror | Kegham Tokatlian | — | (805) 582 9199 | Windows, patio, painters | Simi Valley · Ventura County | — | — |