| Jeff Smith | Jeff Smith | — | (951) 672 6124 | Other | Menifee · Riverside County | — | — |
| Jeff Valdez-sanchez | Jeff Valdez-sanchez | — | (760) 272 7292 | Windows, patio, painters | Cathedral City · Riverside County | — | — |
| Jeff Vineyard Construction G C | Jeffrey Dean Vineyard | — | (951) 852 3761 | GC, remodel, ADU | Nuevo · Riverside County | — | — |
| Jeff Williams INC | John Anthony Hinojosa | admin@jeff-williams.com | (760) 250 7951 | GC, remodel, ADU | Bermuda Dunes · Riverside County | — | — |
| Jeffery G Larsen | Jeffery G Larsen | — | (760) 902 0175 | Windows, patio, painters | Palm Springs · Riverside County | — | — |
| Jeffery Glenn Wright | Jeffery Glenn Wright | — | (951) 549 8663 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jeffery Smith | Jeffery Smith | — | (714) 422 5577 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Jeffery Smith | Jeffery Smith | — | (951) 204 3469 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Jeffrey A Ehman | Jeffrey A Ehman | — | (714) 403 7727 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jeffrey Aguilar | Jeffrey Aguilar | — | (760) 574 1225 | Pool | Coachella · Riverside County | — | — |
| Jeffrey Alan De Lozier | Jeffrey Alan De Lozier | — | (714) 310 8705 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jeffrey Alan Olear | Jeffrey Alan Olear | — | (951) 315 8339 | GC, remodel, ADU | San Jacinto · Riverside County | — | — |
| Jeffrey Brett Walton | Jeffrey Brett Walton | — | (760) 275 4197 | Windows, patio, painters | Desert Hot Springs · Riverside County | — | — |
| Jeffrey Cochran | Jeffrey Cochran | — | (909) 374 2865 | Other | Jurupa Valley · Riverside County | — | — |
| Jeffrey M Cook Construction | Jeffrey M Cook | — | (951) 778 0753 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Jeffrey Mattox | Jeffrey Mattox | — | (951) 833 3487 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jeffrey Wayne Tarris | Jeffrey Wayne Tarris | — | (909) 771 1899 | GC, remodel, ADU | Jurupa Valley · Riverside County | — | — |
| Jeg's Modern Plumbing | Jeg's Modern Plumbing | — | (760) 888 7442 | Other | Temecula · Riverside County | — | — |
| Jeha Construction INC | Nicholas Steven Narez | — | (925) 487 6266 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Jei Electrical Services | Stephen Andrew Jaeger | — | (619) 337 4082 | Electricians | San Jacinto · Riverside County | — | — |
| Jelco Glass & Door INC | John Edward Littig | — | (951) 371 0824 | Windows, patio, painters | Norco · Riverside County | — | — |
| Jem Painting | Jem Painting | — | (951) 250 5495 | Windows, patio, painters | Hemet · Riverside County | — | — |
| Jemco | Daniel James Jempsa | — | (951) 378 6403 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Jemco Networks INC | Javier Moreno | — | (714) 497 6600 | Electricians | Lake Elsinore · Riverside County | — | — |
| Jennifer M Michael | Jennifer M Michael | — | (909) 732 1392 | Other | Riverside · Riverside County | — | — |
| Jennings Tile | Jennings Tile | — | (760) 910 3138 | Other | La Quinta · Riverside County | — | — |
| Jensen Kierulff Construction/contracting | Jensen Charles Vibe Kierulff | — | (951) 310 1289 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jerald H Foster INC DBA H & J Builders | Jerald Houston Foster | — | (951) 279 8380 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jeremy Beck Contracting | Jeremy Jay Beck | — | (714) 336 2586 | Other | Norco · Riverside County | — | — |
| Jeremy Harris Construction INC | Jeremy John Harris | — | (951) 215 0771 | Other | Riverside · Riverside County | — | — |
| Jerling Management Company INC | Noe Marin | — | (714) 639 1185 | Other | Riverside · Riverside County | — | — |
| Jerome A Soba Construction Co | Jerome Arnold Soba | — | (925) 918 0408 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Jeronimo's Ranch Concrete | Jeronimo's Ranch Concrete | — | (619) 587 8573 | Windows, patio, painters | Menifee · Riverside County | — | — |
| Jerris Construction INC | Craig Robert Jahries | — | (760) 327 3974 | GC, remodel, ADU | Palm Springs · Riverside County | — | — |
| Jerry Home Improvement | Jerry Home Improvement | — | (760) 902 1378 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Jerry Teel Jr | Jerry Teel Jr | — | (909) 795 3021 | GC, remodel, ADU | Calimesa · Riverside County | — | — |
| Jerry's Haul Service | Varraza Gerardo | — | (951) 275 7898 | Other | Riverside · Riverside County | — | — |
| Jerry's Heating & Air | Jerry's Heating & Air | — | (714) 345 1625 | HVAC | Norco · Riverside County | — | — |
| Jesse James Painting INC | Jesse James Flores | — | (323) 200 4741 | Windows, patio, painters | Moreno Valley · Riverside County | — | — |
| Jesse Lee Crocker | Jesse Lee Crocker | — | (760) 524 2616 | GC, remodel, ADU | Wildomar · Riverside County | — | — |