| Jcs Epoxy Coatings | Lucia Solis Torres | — | (951) 295 3332 | Other | Jurupa Valley · Riverside County | — | — |
| Jcs Restoration | Jason Jinyung Kim | — | (951) 297 3422 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Jcvtek | Juan Carlos| Valencia Rincon Juan Carlos Valencia | — | (949) 294 2040 | Other | Corona · Riverside County | — | — |
| Jcw Custom Cabinetry | Jcw Custom Cabinetry | — | (760) 625 8275 | Other | Thousand Palms · Riverside County | — | — |
| Jd Builders Group | Sumesh Behl | contact@jdbuildersgroup.com | (800) 836 5577 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jd Builders INC | Juan Guadalupe Duran | — | (760) 532 8148 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| Jd Construction INC | Jesse Daniel Haeberle | — | (714) 356 5221 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Jd Electric | Jacob Daniel Kirtley | — | (951) 370 3836 | Electricians | Menifee · Riverside County | — | — |
| Jd Electric | Jesus Maria Davis | — | (760) 404 2615 | Electricians | Indio · Riverside County | — | — |
| Jd Electric | John Daniel Iii Acosta | — | (714) 253 4419 | Electricians | Lake Elsinore · Riverside County | — | — |
| Jd Heating And Air Conditioning | Jose Julian De Anda | — | (951) 240 2821 | HVAC | Hemet · Riverside County | — | — |
| Jd Johnson Heating And Air INC | Justin Dean Johnson | — | (951) 202 1002 | HVAC | Riverside · Riverside County | — | — |
| Jd Premier Construction INC | Jose Luis Jr Diaz | — | (760) 702 6260 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Jd Probuilders INC | Hector Jaime Jr Rodriguez | — | (619) 274 2232 | GC, remodel, ADU | Hemet · Riverside County | — | — |
| Jd Tech Consultants | Duran Ramon | — | (714) 553 0352 | Other | Riverside · Riverside County | — | — |
| Jd Ultra | Joshua Droy Wakeland | — | (619) 414 7815 | Electricians | Wildomar · Riverside County | — | — |
| Jdb Builders INC | Joshua Anthony Beltran | — | (855) 782 8453 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Jdf Window & Glass Door Replacement | De Loza Flores Josue | — | (562) 317 9525 | Windows, patio, painters | Lake Elsinore · Riverside County | — | — |
| Jdm Services INC DBA Jdm Renovation Services | Jeffrey Dean Merchant | — | (402) 525 6993 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Jdmy Pro Painting | Medina Jesus Acuna | — | (951) 434 5860 | Windows, patio, painters | Perris · Riverside County | — | — |
| Jdr Tile | Jose De Jesus Romo Cruz | — | (760) 423 9588 | Other | Coachella · Riverside County | — | — |
| Jds Air INC | Joseph Duncan Schissler | — | (951) 870 6023 | HVAC | Jurupa Valley · Riverside County | — | — |
| Jds Power INC | Jon David Silvester | — | (760) 707 6992 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Je Demo | Je Demo | — | (760) 332 9893 | Other | Palm Desert · Riverside County | — | — |
| Je Super Construction INC | Esteban Castillejo | — | (619) 502 0021 | GC, remodel, ADU | San Jacinto · Riverside County | — | — |
| Jec Mechanical | Jec Mechanical | info@jecmechanical.com | (909) 275 4007 | HVAC | Winchester · Riverside County | — | — |
| Jef Larson | Jef Larson | — | (951) 201 6886 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Jeff Bell Construction | Jeffrey Walter Bell | — | (951) 315 3615 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Jeff Beuler | Jeff Beuler | — | (951) 522 9229 | GC, remodel, ADU | Calimesa · Riverside County | — | — |
| Jeff Carpenter INC | Jeffery D Carpenter | — | (951) 657 5115 | Other | Perris · Riverside County | — | — |
| Jeff Cooper | Jeff Cooper | — | (949) 836 6492 | Electricians | Riverside · Riverside County | — | — |
| Jeff Cuny Plumbing | Jeff Cuny Plumbing | — | (951) 694 1932 | Other | Temecula · Riverside County | — | — |
| Jeff Ertz Construction INC | Jeffrey Ronald Ertz | — | (949) 378 7286 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jeff Furtado Construction | Jeffery Edward Furtado | — | (909) 322 6017 | Other | Beaumont · Riverside County | — | — |
| Jeff Jenkins Plumbing Construction | Jeffrey Justin Jenkins | — | (951) 677 7642 | Other | Murrieta · Riverside County | — | — |
| Jeff Kudla INC DBA Kirra Construction | Jeffrey John Kudla | — | (949) 361 9110 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Jeff Machain Painting | Jeff Machain Painting | — | (760) 567 5258 | GC, remodel, ADU | Blythe · Riverside County | — | — |
| Jeff Mayer Landscape Design INC | Jeffrey Raymond Mayer | — | (951) 236 9891 | Windows, patio, painters | Moreno Valley · Riverside County | — | — |
| Jeff Rauton Construction | Jeffrey James Rauton | — | (909) 260 7878 | GC, remodel, ADU | Aguanga · Riverside County | — | — |
| Jeff Scott Nelson Contractor | Jeff Scott Nelson Contractor | — | (951) 940 0200 | GC, remodel, ADU | Perris · Riverside County | — | — |