| Neptune Leak Pro | Neptune Leak Pro | — | (951) 532 2482 | Other | Riverside · Riverside County | — | — |
| Neri Sanchez | Neri Sanchez | — | (714) 263 5651 | Other | Riverside · Riverside County | — | — |
| Nervicia Construction | Nicholas James Reyes | support@nerviciacorp.net | (760) 622 4082 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Nery Pool Plaster LLC | Chaidez Isaias Soto | — | (760) 507 9204 | Pool | Desert Hot Springs · Riverside County | — | — |
| Nesmith Electric | Christopher Niles Nesmith | — | (949) 292 1249 | Electricians | Temecula · Riverside County | — | — |
| Netgain Networks INC | Maria Delosangeles Borja | — | (951) 363-0609 | Electricians | Riverside · Riverside County | — | — |
| Neto's Custom Werks | Ernesto Jr Bojorquez | — | (760) 397 7933 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Netpmd LLC | David Sanchez | — | (469) 956 9158 | Other | Jurupa Valley · Riverside County | — | — |
| Netvolutions Technology Group INC | Jesse Warren Simms | — | (951) 294 7351 | Other | Menifee · Riverside County | — | — |
| Network Dynamics | Network Dynamics | — | (909) 838 6703 | Other | Riverside · Riverside County | — | — |
| New Age Air Conditioning And Heating INC | Branden Gabriel Montoya | — | (562) 631 5735 | HVAC | Norco · Riverside County | — | — |
| New Age Tile And Stone Concepts | Espinosa Zuniga Ricardo | — | (949) 973 3175 | Other | Lake Elsinore · Riverside County | — | — |
| New Alliance Security INC | Vernon Darnell Owens | — | (714) 780 2900 | Electricians | Riverside · Riverside County | — | — |
| New Appearance Windows INC | Jeffery Mangubat Mc Lellan | — | (951) 858 9089 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| New Automation Control Services INC | Arturo Cordova | — | (714) 450 5261 | Electricians | Jurupa Valley · Riverside County | — | — |
| New Century Construction & Restoration INC | Javier Alcides Almanza | — | (714) 718 1872 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| New Coast Plumbing | Flores Antonio Avilla | — | (951) 434 2941 | Other | Romoland · Riverside County | — | — |
| New Cornerstone General Construction INC | Christian Ivan Garcia | — | (562) 385 0650 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| New Corp Energy | Santiago Jr Quintero | — | (760) 896 1452 | Electricians | Coachella · Riverside County | — | — |
| New Craft Home Builders LLC | Joseph Rosati | — | (201) 704 5493 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| New Creation | Martin Andres Feria | design@newcreation.com | (909) 631 9038 | GC, remodel, ADU | Corona · Riverside County | — | — |
| New Design Tile | New Design Tile | — | (951) 238 4506 | Other | Perris · Riverside County | — | — |
| New Edge Enterprise Corp | Bravo Aristeo Cancino | — | (951) 250 0053 | GC, remodel, ADU | Jurupa Valley · Riverside County | — | — |
| New Empire Design Center INC DBA New Empire Interior | Emad Chachine Wehbe | — | (951) 471 3421 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| New Empire Glazing | New Empire Glazing | — | (951) 902 1497 | Windows, patio, painters | Sun City · Riverside County | — | — |
| New Era Construction | Nancy Yvette Bacilio | — | (760) 423 2397 | GC, remodel, ADU | Coachella · Riverside County | — | — |
| New Era Flooring | New Era Flooring | — | (909) 261 6097 | Other | Banning · Riverside County | — | — |
| New Era Renovations | New Era Renovations | — | (951) 330 8617 | GC, remodel, ADU | Winchester · Riverside County | — | — |
| New Era Roofing INC | Cruz-banuelos Armando | — | (760) 535 1468 | Other roofers | Temecula · Riverside County | — | — |
| New Era Rooter | Francisco Javier Jr Herrera | — | (619) 918 8118 | Other | Lake Elsinore · Riverside County | — | — |
| New Era Tile And Stone | New Era Tile And Stone | — | (760) 668 8661 | Other | Desert Hot Springs · Riverside County | — | — |
| New Era Windows & Doors | New Era Windows & Doors | — | (714) 699 0491 | Windows, patio, painters | Riverside · Riverside County | — | — |
| New Evolution Construction INC | Ricardo Hernandez | — | (951) 643 8979 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| New Evolution Framing INC | Francisco Javier Hernandez Solis | — | (909) 648 9326 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| New Generation Cedar Garage Doors INC | Maria Sonia Gomez | — | (760) 775 4283 | Other | Indio · Riverside County | — | — |
| New Generation Coatings | New Generation Coatings | — | (951) 965 6796 | Windows, patio, painters | Jurupa Valley · Riverside County | — | — |
| New Generation Contracting | Diego Alonso Mendoza | — | (714) 398 4834 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| New Generation Custom Floors INC | Jose Guadalupe Arevalos | — | (323) 236 4576 | Other | Riverside · Riverside County | — | — |
| New Generation Flooring | New Generation Flooring | — | (619) 843 9405 | Other | Menifee · Riverside County | — | — |
| New Generation Lighting/electrical | Housein Mohamad Soltra | — | (951) 423 8564 | Electricians | Lake Elsinore · Riverside County | — | — |