| Halo Electric | Levon Leo Kechichian | — | (626) 625 4355 | Electricians | Desert Hot Springs · Riverside County | — | — |
| Halo Plumbers Corp | Moe Yasser Popal | — | (951) 444 1491 | Other | Corona · Riverside County | — | — |
| Halwani Bro Construction | Halwani Rami | — | (949) 520 2442 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Hambys Septic Pumping & Maintenance | Hambys Septic Pumping & Maintenance | — | (951) 830 3529 | Other | Hemet · Riverside County | — | — |
| Hamel Concrete INC | Meghan Elisabeth Hamel | — | (951) 474 0200 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Hamel Construction INC | Grant John Hamel | — | (951) 600 2783 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Hamel Contracting INC | Grant John Hamel | — | (951) 600 2783 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Hamilton Fire Protection Incorporated | Michael Deon Hamilton | — | (951) 834 6305 | Other | Murrieta · Riverside County | — | — |
| Hamilton Plumbing Corporation INC | Eric Robert Hamilton | — | (951) 440 9218 | Other | Menifee · Riverside County | — | — |
| Hamilton Pools | Hamilton Pools | — | (951) 526 1898 | Pool | Winchester · Riverside County | — | — |
| Hamite Plumbing | Hamite Plumbing | — | (213) 835 8665 | Other | Desert Hot Springs · Riverside County | — | — |
| Hammer Built | Joel Christopher Hammer | — | (760) 801 1035 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Hammer Construction | Eddy Fernando Gonzalez | — | (714) 476 1373 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Hammer Down INC | Roxanne Ralston | — | (951) 270 0323 | Other | Corona · Riverside County | — | — |
| Hammer Plumbing And Pumping INC | Ryan Steven Holmes | — | (760) 321 7448 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| Hammer Time Construction Incorporated | Lance Allen Leighton | — | (714) 519 1623 | Electricians | Murrieta · Riverside County | — | — |
| Hammertime 24/7 INC | Joey Michael Cormier | — | (714) 474 4954 | GC, remodel, ADU | Winchester · Riverside County | — | — |
| Hammondpipeline LLC | Adam Charles Hammond | — | (951) 237 4191 | Other | Riverside · Riverside County | — | — |
| Hana Pools LLC | Steve Michael Clark | — | (951) 746 6046 | Pool | Canyon Lake · Riverside County | — | — |
| Hancock Home Services | Jason William Hancock | — | (331) 645 9734 | GC, remodel, ADU | Bermuda Dunes · Riverside County | — | — |
| Handek INC | Garcia Alfredo Camargo | — | (949) 981 6793 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Handels Pool Service | Handel Boanerges Caballero | info@ndiscovered.com | (760) 427 9422 | Pool | Bermuda Dunes · Riverside County | — | — |
| Handran Construction | Robert John Handran | — | (760) 333 1039 | GC, remodel, ADU | Palm Desert · Riverside County | — | — |
| Handy Gabe Services | Gabriel Mario Droetti | — | (951) 623 5499 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Handy Scotsman Constr & Gen Const | Francis Gary Steven | — | (760) 285 1803 | Electricians | La Quinta · Riverside County | — | — |
| Handy Solutions Remodeling | Victor Manuel Lomeli | iehandysolutions@hotmail.com | (714) 631 9014 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Handyman Contractor | Handyman Contractor | — | (951) 734 3070 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Handyman Mobile Home Service | Perez Peralta Cecilio | — | (714) 643 1101 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Handypro Remodeling | Handypro Remodeling | — | (760) 899 6497 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Hanes And Associates Electrical Services | Jeffrey Lee Hanes | — | (562) 308 6533 | Electricians | Corona · Riverside County | — | — |
| Hani Custom Homes INC | Nabil Raji Zeidan | — | (714) 906 4100 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Hank A Torres Construction Co | Hank Alexander Torres | — | (951) 303 5428 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Hanna Electric | Ochoa Jorge | — | (408) 307 7486 | Electricians | Hemet · Riverside County | — | — |
| Hanna Fire Protection | Hanna Fire Protection | — | (951) 295 5621 | Other | Riverside · Riverside County | — | — |
| Hans Design - Build | Hans Design - Build | — | (619) 309 6333 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Hansen Pool Construction INC | Wesley James Hansen | — | (626) 482 9203 | Pool | Eastvale · Riverside County | — | — |
| Hanson Electric | Gavin Paul Hanson | interested@domainmarket.com | (760) 505 0659 | Electricians | Temecula · Riverside County | — | — |
| Happy House Painting Co | Yun Seongpyo | — | (909) 525 7729 | Windows, patio, painters | Riverside · Riverside County | — | — |
| Harco Group INC | Michael Lloyd Mustin | — | (951) 684 1909 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Hard Stone Construction | Oswaldo Castaneda | — | (760) 285 8114 | GC, remodel, ADU | Coachella · Riverside County | — | — |