| Lt Painting & Wall Covering INC | Olaf Antonino Liberato-Torres | — | (562) 326 4133 | Windows, patio, painters | Corona · Riverside County | — | — |
| Lts Landscape | Rudi Oscar Moran | — | (951) 446 9667 | Windows, patio, painters | Corona · Riverside County | — | — |
| Lua Brothers Cabinets INC | Miguel Angel Lua Lua | — | (760) 222 8057 | Other | Indio · Riverside County | — | — |
| Lua Construction General Contractors INC | Ricardo Alfonso Lua | — | (760) 698 2749 | GC, remodel, ADU | Desert Hot Springs · Riverside County | — | — |
| Lua's Air Conditioning | Lua's Air Conditioning | luasairconditioning@gmail.com | (760) 601 7394 | HVAC | Coachella · Riverside County | — | — |
| Lua's Construction INC | Jose Luis Lua | info@luasconstruction.co | (323) 855 8747 | GC, remodel, ADU | Beaumont · Riverside County | — | — |
| Lualgi Home Improvements | Calderon Yovani Araujo | — | (442) 234 3203 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Luben Construction | Jamal Allen Karimi | — | (760) 567 6767 | GC, remodel, ADU | Palm Springs · Riverside County | — | — |
| Lucas & Sons Masonry INC | Francisco Agustin Oros Rangel | — | (760) 636 9722 | Other | Desert Hot Springs · Riverside County | — | — |
| Lucas Mc Queen | Lucas Mc Queen | — | (760) 641 3691 | Other | Cathedral City · Riverside County | — | — |
| Lucero Tree Care LLC | Alex Eduardo Lucero | — | (951) 643 9370 | Tree | Corona · Riverside County | — | — |
| Luchetti INC | Rodrigo Javier Luchetti | — | (714) 476 2543 | Other | Corona · Riverside County | — | — |
| Lucky Air & Plumbing | Michael Christian Brady | — | (951) 682 8573 | HVAC | Corona · Riverside County | — | — |
| Lucky Duck Plumbing | Jesus Jr Anacleto | — | (951) 355 6333 | Other | Perris · Riverside County | — | — |
| Lucky Leak Plumbing | Joseph Paul Mc Minn | joe@mcminnconstructioninc.com | (951) 595 5338 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Ludington Construction INC | Brian Daniel Ludington | — | (760) 779 1599 | GC, remodel, ADU | Rancho Mirage · Riverside County | — | — |
| Lugo & Sons Tile And Stone | Carlos Guillermo Lugo Mendivil | — | (714) 713 9783 | Other | Winchester · Riverside County | — | — |
| Luis Angel Bernal Santos | Luis Angel Bernal Santos | — | (951) 421 9883 | Other | Mira Loma · Riverside County | — | — |
| Luis Arroyo | Luis Arroyo | — | (951) 522 8457 | Other | Jurupa Valley · Riverside County | — | — |
| Luis Campos Zaragoza | Luis Campos Zaragoza | — | (951) 830 2896 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Luis Construction | Luis Fernando Echavarria | — | (714) 809 9161 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Luis Diaz-cienfuegos | Luis Diaz-cienfuegos | — | (951) 441 7481 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Luis F Leyva | Luis F Leyva | — | (951) 452 0069 | Other | Riverside · Riverside County | — | — |
| Luis Gabriel Corona | Luis Gabriel Corona | — | (760) 449 7338 | HVAC | Desert Hot Springs · Riverside County | — | — |
| Luis Ignacio Nunez Cuevas | Luis Ignacio Nunez Cuevas | — | (951) 463 7322 | Other | Corona · Riverside County | — | — |
| Luis Oropeza | Luis Oropeza | — | (714) 719 4902 | Other | Corona · Riverside County | — | — |
| Luis R Larranaga Construction INC | Luis Ricardo Larranaga | — | (310) 940 5444 | GC, remodel, ADU | Desert Hot Springs · Riverside County | — | — |
| Luis Roldan DBA Precision Technologies | Luis Roldan DBA Precision Technologies | — | (714) 798 3350 | Other | Corona · Riverside County | — | — |
| Lujan Electric | Julian Anthony Lujan | — | (909) 994 4778 | Electricians | Jurupa Valley · Riverside County | — | — |
| Lujo Construction INC | Jorge Avila Lujano | — | (951) 581 9125 | GC, remodel, ADU | Perris · Riverside County | — | — |
| Luke 648 Painting Corp | Rebecca Marie Tellez-amador | — | (760) 904 9535 | Windows, patio, painters | La Quinta · Riverside County | — | — |
| Luke Bates Plumbing | Luke Bates Plumbing | — | (951) 897 2920 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Luke Horning Paints | Luke Horning Paints | — | (760) 485 3175 | GC, remodel, ADU | La Quinta · Riverside County | — | — |
| Lumiflow Landscape | Lumiflow Landscape | — | (951) 378 8794 | Windows, patio, painters | Lake Elsinore · Riverside County | — | — |
| Luna & Banda Contractors | Dominic Michael Luna | — | (323) 216 6770 | GC, remodel, ADU | Norco · Riverside County | — | — |
| Luna Electric | Andres Israel Luna Sandoval | — | (760) 578 1445 | Electricians | Indio · Riverside County | — | — |
| Luna Landscape | Luna Landscape | interested@domainmarket.com | (760) 296 1818 | Windows, patio, painters | Thermal · Riverside County | — | — |
| Luna Plumbing | Luna Plumbing | — | (951) 331 3689 | Other | Moreno Valley · Riverside County | — | — |
| Luna Roof Repair | Felix Luna | — | (909) 545 9224 | Other roofers | Jurupa Valley · Riverside County | — | — |
| Luna Tile & Stone | Luna Tile & Stone | — | (951) 415 2216 | Other | Riverside · Riverside County | — | — |