| Next Level Door & Millwork INC | Mark Thomas Croudy | — | (760) 262 6398 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Next Level Flooring INC | Patrick Earl Ii Bloor | — | (951) 836 1653 | Other | Corona · Riverside County | — | — |
| Next Level Floors | Scott Thomas Ingram | — | (951) 423 6659 | Other | Menifee · Riverside County | — | — |
| Next Level Insulation | Jesus Enrique Arredondo | — | (909) 268 5329 | Other | Riverside · Riverside County | — | — |
| Next Level Painting | Next Level Painting | — | (951) 616 0346 | Windows, patio, painters | Perris · Riverside County | — | — |
| Next Level Painting Pros | Hector Hugo Mendoza Valencia | — | (951) 261 4709 | Windows, patio, painters | Corona · Riverside County | — | — |
| Next Level Plumbing INC | Lara Armando Lara | — | (909) 295 1042 | GC, remodel, ADU | Moreno Valley · Riverside County | — | — |
| Next Level Sheet Metal | Osvaldo Josue Arias | — | (951) 636 0139 | Other | Eastvale · Riverside County | — | — |
| Next Level Up Remodeling LLC | Sameh A Abdelmasih | — | (818) 357 9350 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Next Stage Construction | Ramirez Fabian Hernandez | contact@nsetg.com | (951) 498 9178 | GC, remodel, ADU | Wildomar · Riverside County | — | — |
| Next20 Flooring | Next20 Flooring | — | (909) 786 5380 | Other | Jurupa Valley · Riverside County | — | — |
| Nextgen Construction INC | John Arthur Jr Buck | — | (909) 303 0496 | GC, remodel, ADU | Norco · Riverside County | — | — |
| Nextgen Septic By Willette | Nextgen Septic By Willette | — | (951) 445 3403 | Other | Wildomar · Riverside County | — | — |
| Nextlevel Remodels | Daniel Siordia | nick@nextlevelremodels.com | (760) 213 0246 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Nextscape | Luis Guerra Huerta | — | (760) 238 7918 | Windows, patio, painters | Indio Hills · Riverside County | — | — |
| Ngn Tank Services INC | Nicholas Ghassan Nassar | — | (951) 491 1309 | Other | Hemet · Riverside County | — | — |
| Nibardo Marquez | Nibardo Marquez | — | (909) 210 8425 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Nibcon Construction | Robert James Niblack | — | (661) 802 3251 | GC, remodel, ADU | Canyon Lake · Riverside County | — | — |
| Nice And Cold Heating & Air | Juan F Zamarripa | — | (951) 550 0422 | HVAC | Winchester · Riverside County | — | — |
| Nice Restoration INC | Gustavo Gutierrez | — | (619) 758 5864 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Nicholas Boyce | Nicholas Boyce | — | (619) 787 8974 | Other | Cherry Valley · Riverside County | — | — |
| Nicholas Concrete Construction | Nicholas Daniel Duffy | — | (951) 378 7334 | GC, remodel, ADU | Menifee · Riverside County | — | — |
| Nicholas Domnick Fire Protection | Nicholas Domnick Fire Protection | — | (951) 807 1347 | Other | Moreno Valley · Riverside County | — | — |
| Nicholas Masonry | Nicholas Masonry | — | (951) 218 4730 | Other | Eastvale · Riverside County | — | — |
| Nicholas Ogdon | Nicholas Ogdon | — | (951) 529 3637 | Other | Riverside · Riverside County | — | — |
| Nicholas Perez | Nicholas Perez | — | (714) 900 6732 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Nicholas Rasmussen | Nicholas Rasmussen | — | (951) 347 6391 | Other | Menifee · Riverside County | — | — |
| Nicholas Romero DBA Starlight Electric | Nicholas John Romero | — | (951) 217 2000 | Electricians | Temecula · Riverside County | — | — |
| Nicholas Steven Narez | Nicholas Steven Narez | — | (925) 487 6266 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Nick Moreno & Sons Construction INC | Terrance James Ross | — | (760) 391 3616 | GC, remodel, ADU | Coachella · Riverside County | — | — |
| Nick Perez | Nick Perez | — | (951) 526 7902 | Other | Temecula · Riverside County | — | — |
| Nick's Electric | Nick Louis Musia | — | (951) 704 9830 | Electricians | Wildomar · Riverside County | — | — |
| Nick's Electrical Contractors INC | Nicolae Ursu | — | (951) 990 3043 | Electricians | Riverside · Riverside County | — | — |
| Nick's Mission Landscape Corp | Nicholas Dennis Potenza | — | (760) 774 4747 | Windows, patio, painters | Indio · Riverside County | — | — |
| Nicol Climate Control | Dana Williams Nicol | — | (760) 567 2811 | HVAC | Thousand Palms · Riverside County | — | — |
| Nicolaisen & Sons Construction INC | Mark Gregory Nicolaisen | — | (951) 757 2520 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Nicolas Construction Co. | Dean S Agnoletto | — | (951) 906 9999 | GC, remodel, ADU | Beaumont · Riverside County | — | — |
| Nighthawk Integrated Services | Charles Roy Mc Bride | — | (951) 677 6777 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Nikaro Construction INC | Younesi Nasrollah | — | (951) 818 7492 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Nikolaus Ivanoff | Nikolaus Ivanoff | — | (909) 327 1146 | GC, remodel, ADU | Menifee · Riverside County | — | — |