| Jp Custom Sheet Metal Corp | Jose Noel Perez | — | (951) 442 6236 | Other | Wildomar · Riverside County | — | — |
| Jp Landscape | Jp Landscape | — | (951) 783 0315 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Jp Pools And Shotcrete INC | Barragan Francisco Cazares | — | (951) 240 8541 | Pool | Riverside · Riverside County | — | — |
| Jp Renovations And Design LLC | James Avram Claudi Petruse | — | (714) 396 8817 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Jp's Painting | Jp's Painting | — | (951) 940 5265 | Windows, patio, painters | Perris · Riverside County | — | — |
| Jpa Painting | Jpa Painting | — | (760) 574 8440 | Windows, patio, painters | Indio · Riverside County | — | — |
| Jpc Landscaping | Jpc Landscaping | — | (858) 218 5592 | GC, remodel, ADU | Aguanga · Riverside County | — | — |
| Jpez Framing & Drywall | Medina Juan Lopez | — | (760) 250 0376 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| Jpm Installations INC | Jacqueline Perez Muro | — | (951) 956 1933 | Other | Jurupa Valley · Riverside County | — | — |
| Jpnson's Concrete Construction INC | Jesus Orlando Eguino Beltran | — | (520) 409 4372 | Other | Jurupa Valley · Riverside County | — | — |
| Jpr Mobile Homes Svcs INC | Jose Pedro Ramos | — | (951) 214 9548 | Other | Moreno Valley · Riverside County | — | — |
| Jr Cazarez Pool & Spa Construction | Cazarez Junior | — | (760) 899 9277 | Pool | Coachella · Riverside County | — | — |
| Jr Construction And Remodeling | Jorge Jr Ramirez | — | (951) 790 7186 | GC, remodel, ADU | Mira Loma · Riverside County | — | — |
| Jr Construction Clean-up INC | Juan Esparza Ramirez | — | (951) 443 0418 | Other | Perris · Riverside County | — | — |
| Jr Construction Co | Vilchis Vieyra Miguel | — | (951) 599 5458 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Jr Cotten Contracting LLC | John Alan Cotten | — | (760) 409 6127 | GC, remodel, ADU | Palm Springs · Riverside County | — | — |
| Jr Electrical Pros INC | Joseph Refaat Lamey Rafla | — | (714) 705 5669 | Electricians | Riverside · Riverside County | — | — |
| Jr Landscape INC | Uribe Fernando Hernandez | jrlandscape68@gmail.com | (714) 365 0743 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Jr Painting | Jr Painting | juniorsanabria03@gmail.com | (951) 688 1024 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Jr Remodeling Works LLC | Jose Antonio Regalado | — | (760) 391 1069 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Jr Wall Systems Plastering | Jr Wall Systems Plastering | — | (330) 853 6240 | Other | Menifee · Riverside County | — | — |
| Jr's Custom Textures INC | Justin Todd Ramirez | — | (951) 259 0515 | Other | Wildomar · Riverside County | — | — |
| Jrb Plumbing INC | Suarez Jorge Ramirez | — | (951) 255 0773 | Other | Riverside · Riverside County | — | — |
| Jrh Flooring | Jrh Flooring | — | (951) 751 6604 | Other | Corona · Riverside County | — | — |
| Jrm Builder & Development | Jrm Builder & Development | — | (310) 308 3636 | GC, remodel, ADU | Eastvale · Riverside County | — | — |
| Jrm Construction Consultants LLC | Jason Raymond Mayer | sales@jrmconstructionconsultants.com | (307) 250 9888 | GC, remodel, ADU | Calimesa · Riverside County | — | — |
| Jrm Painting | Luis Antonio Mejia | james@jrmpainting.com | (951) 396 1990 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Jrs General Contracting Services | Julio Cesar Radilla Salazar | — | (951) 422 7442 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Js Custom Painting INC | Jose Armando Sanchez | — | (760) 342 0250 | Windows, patio, painters | Indio · Riverside County | — | — |
| Js Flooring | Js Flooring | — | (619) 872 1563 | Other | Murrieta · Riverside County | — | — |
| Js Innovation Pool And Spas INC | Alex Esquibel | — | (760) 863 9981 | Pool | Indio · Riverside County | — | — |
| Js Jones Construction INC | Joe Samuel Jones | — | (949) 395 1596 | Electricians | Menifee · Riverside County | — | — |
| Js Plumbing LLC | Sanchez Javier | — | (310) 720 6115 | Other | Moreno Valley · Riverside County | — | — |
| Js Remodeling | Js Remodeling | — | (951) 258 0015 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Js Welding & Fabrication INC | Kimberly Sue Silvola | — | (760) 497 9069 | Other | Temecula · Riverside County | — | — |
| Jshennawi Construction INC | Jamal Mohd Shennawi | — | (951) 281 9317 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jsv Pools INC | Valenzuela Jaime Salazar | — | (760) 673 0143 | Pool | Desert Hot Springs · Riverside County | — | — |
| Jt Pro Electric | Justin Alan Tobey | info@jtproelectric.com | (760) 449 0288 | Electricians | La Quinta · Riverside County | — | — |
| Jt Tile Marble & Stone | Jose Luis Tolentino Azpeitia | — | (949) 205 3415 | Other | Corona · Riverside County | — | — |
| Jt West Construction INC | John Christopher Aldama | — | (909) 254 6018 | GC, remodel, ADU | Menifee · Riverside County | — | — |