| New Vision Construction | Saul Oscar Vides Soto | — | (510) 689 9469 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| New Vision Scapes INC | Jaime Alejandro Fuentes | — | (925) 922 9944 | Windows, patio, painters | Livermore · Alameda County | — | — |
| New Vision Windows & Glass INC | Ricardo Daniel Santoyo Sandoval | — | (510) 862 5461 | Windows, patio, painters | Hayward · Alameda County | — | — |
| New Window Installation | New Window Installation | — | (661) 788-6503 | Windows, patio, painters | Alameda · Alameda County | — | — |
| New World Construction INC | Daniel Antonio Aguayo Hinojosa | — | (650) 676 5535 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Newark Fence INC | Singh Bimal | info@newarkfence.com | (510) 797 1299 | GC, remodel, ADU | Newark · Alameda County | — | — |
| Newark Tree INC | Miguel Angel Leyva | — | (510) 793 9791 | Other | Newark · Alameda County | — | — |
| Newcoat Painting | Newcoat Painting | — | (510) 384 3216 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Newell Construction INC | John Greenleaf Newell | — | (510) 387 3321 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Newend Builder | Newend Builder | — | (510) 387 7593 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Newhome Construction Corporation | Nhat Minh Nguyen | newhomeconstruction@comcast.net | (408) 421 9808 | GC, remodel, ADU | Fremont · Alameda County | — | — |
| Newtech Construction | Gregory Frank Sperow | — | (707) 674 7148 | GC, remodel, ADU | Berkeley · Alameda County | — | — |
| Nexgen Construction | Rodriguez Giovani | — | (510) 621 9993 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Nexgen Rooter And Plumbing INC | Juan Manuel Gutierrez | — | (510) 876 3549 | Other | San Lorenzo · Alameda County | — | — |
| Next Gen Painting & Staining | Next Gen Painting & Staining | — | (510) 320 7341 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Next Generation Builders INC | Daniel Arce Alvarado | — | (510) 332 7629 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Next Level Concrete | Next Level Concrete | — | (510) 988 2646 | Other | San Leandro · Alameda County | — | — |
| Next Level Development LLC | Brandon Ryan Yuen | — | (510) 459 2519 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Next Level Painting | Next Level Painting | — | (925) 639 5855 | Windows, patio, painters | Oakland · Alameda County | — | — |
| Next Level Painting | Next Level Painting | — | (925) 200 1672 | Windows, patio, painters | Dublin · Alameda County | — | — |
| Next Level Painting Pros | Next Level Painting Pros | support@nextlevelpainting.pro | (510) 710-7948 | Windows, patio, painters | Alameda · Alameda County | — | — |
| Next Level Plumbing Services | Cruz Lozano Orlando | orlando@nextlevelplumbingservices.com | (650) 532 4866 | Other | Union City · Alameda County | — | — |
| Nextech Security Solutions | Fadel Alabed Hemdan | — | (925) 705 1163 | Electricians | Pleasanton · Alameda County | — | — |
| Nextgen Aranda INC | Jose Luis Hernandez | — | (540) 316 5300 | GC, remodel, ADU | San Leandro · Alameda County | — | — |
| Nextgen Electric | Oviedo Alejandro | — | (510) 467 9917 | Electricians | San Leandro · Alameda County | — | — |
| Nextgen Finishing Systems INC | Singh Davinder | — | (510) 862 6637 | Electricians | Hayward · Alameda County | — | — |
| Nextgen Remodeling & Construction INC | Jose Luis Escalante Ramirez | — | (510) 941 8112 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Nextus General Building Co | Ahmad Faisal Sr Safi | — | (415) 740 6535 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Neza Construction INC | Melquiades Alejandro Ramirez Huerta | — | (510) 305 6762 | GC, remodel, ADU | Union City · Alameda County | — | — |
| Ng Rooter And Plumbing INC | Emerson Pacheco | — | (510) 755 0160 | Other | Hayward · Alameda County | — | — |
| Ngu Builder | Ngu Builder | — | (510) 910 4591 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| Nguyen Construction Company | Hiep Cong Nguyen | — | (510) 381 4167 | GC, remodel, ADU | Hayward · Alameda County | — | — |
| Nguyen Do Viet Chau | Nguyen Do Viet Chau | — | (510) 861 3662 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Nguyen Hoang Landscaping | Hoa Van Phan | — | (510) 456 8917 | Windows, patio, painters | San Lorenzo · Alameda County | — | — |
| Nguyen Landscaping | Nguyen Landscaping | — | (510) 585 8609 | Windows, patio, painters | Hayward · Alameda County | — | — |
| Nice & Strong Construction | Liu Guanxue | — | (626) 202 8370 | GC, remodel, ADU | Oakland · Alameda County | — | — |
| Nicholas Drabec | Nicholas Drabec | — | (510) 427 0133 | GC, remodel, ADU | Castro Valley · Alameda County | — | — |
| Nicholas Griego | Nicholas Griego | — | (510) 415 2059 | GC, remodel, ADU | Alameda · Alameda County | — | — |
| Nicholas Joseph Alvaro | Nicholas Joseph Alvaro | — | (510) 828 8750 | Windows, patio, painters | San Leandro · Alameda County | — | — |
| Nicholas Roofing INC | Nicholas Marc Cosenza | office@nicholasroofing.com | (510) 848 4433 | Other roofers | Berkeley · Alameda County | — | — |