| Hercules Custom Concrete | Hercules Custom Concrete | — | (909) 419 0771 | Other | Winchester · Riverside County | — | — |
| Hercules Plumbing INC | Salvador Gamboa Reveles | — | (951) 289 9840 | Other | Riverside · Riverside County | — | — |
| Hercules Systems & Services | Enick Boswell Williams | info@hercules-systems-services.com | (714) 612 4029 | Electricians | Corona · Riverside County | — | — |
| Heredia's General Construction Co | Phillip Heredia Espinoza | — | (951) 285 6473 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Heriberto Juarez | Heriberto Juarez | — | (714) 720 8689 | Other | Riverside · Riverside County | — | — |
| Heriberto Rodriguez | Heriberto Rodriguez | — | (760) 989 7970 | Other | La Quinta · Riverside County | — | — |
| Heritage Concrete LLC | Alejandro Mejia Rodriguez | — | (949) 229 5744 | Other | Lake Elsinore · Riverside County | — | — |
| Heritage Construction & Development Group INC | Rafael Gonzalez Reyes | — | (951) 233 2389 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Heritage Garage Door | Edward James Wold | — | (951) 813 3667 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Heritage Plumbing | Heritage Plumbing | — | (951) 830 7973 | Other | Menifee · Riverside County | — | — |
| Heritage Pro Roofing | Teniza Evelio Hernandez | — | (714) 591 6936 | Other roofers | Corona · Riverside County | — | — |
| Herman Weissker INC | Henry Alfred Barber | — | (951) 826 8800 | Electricians | Riverside · Riverside County | — | — |
| Hermetic Heating And Air | Hermosillo Javier | — | (760) 894 9065 | HVAC | Palm Desert · Riverside County | — | — |
| Hermosillo Plumbing | Hermosillo Plumbing | — | (951) 858 0808 | Other | Riverside · Riverside County | — | — |
| Hernan Rizo Construction Cleanup Services | Rizo De Leon Hernan | — | (925) 337 7459 | Other | Perris · Riverside County | — | — |
| Hernandez And Brunk Construction | Jaime Andrade Hernandez | — | (951) 235 8174 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Hernandez Electric | Jonathan Tony Hernandez | — | (909) 226 0565 | Electricians | Riverside · Riverside County | — | — |
| Hernandez Flooring | Hernandez Flooring | — | (951) 581 2401 | Other | Riverside · Riverside County | — | — |
| Hernandez Industries INC | Luis Enrique Iii Hernandez-Cota | — | (760) 200 6836 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Hernandez Landscape Co INC | Antonieta Najar Hernandez | — | (909) 573 8108 | Windows, patio, painters | Eastvale · Riverside County | — | — |
| Hernandez Remodeling | Hernandez Remodeling | — | (323) 479 4516 | GC, remodel, ADU | Romoland · Riverside County | — | — |
| Hernandez Roofing | Hernandez Raul | — | (760) 578 2028 | Other roofers | Cathedral City · Riverside County | — | — |
| Hernandez Steel Reinforcing | Oscar Alejandro Hernandez Serrano | — | (951) 581 4197 | Other | San Jacinto · Riverside County | — | — |
| Hernandez Tile | Hernandez Tile | — | (760) 675 6602 | Other | Thermal · Riverside County | — | — |
| Hernandez Tile Co | Francisco Javier Hernandez | — | (951) 533 9655 | Other | Mira Loma · Riverside County | — | — |
| Hernandez Woodworks LLC | Bailon Fernando Hernandez | — | (760) 534 5764 | Other | Cathedral City · Riverside County | — | — |
| Hero Restoration | Tony C Lara | eben@eyebytes.com | (909) 957 5243 | GC, remodel, ADU | Murrieta · Riverside County | — | — |
| Heroneme | Gary Edward Heroneme | — | (909) 436 8322 | GC, remodel, ADU | Banning · Riverside County | — | — |
| Herrera Construction & Electrical Services | Thierry Pierre Dusigne | — | (951) 973 4992 | Electricians | Moreno Valley · Riverside County | — | — |
| Herrera Mario | Herrera Mario | — | (951) 551 5529 | Other | Corona · Riverside County | — | — |
| Herrera's Electric | Herrera Tafoya Daniel | — | (310) 818 9661 | Electricians | La Quinta · Riverside County | — | — |
| Herzberg Electric INC | Shawn Leroy Herzberg | — | (951) 840 0099 | Electricians | Temecula · Riverside County | — | — |
| Hester Roofing | Jeffrey Michael Hester | — | (951) 805 4705 | Other roofers | Corona · Riverside County | — | — |
| Hetherington General Engineering | Hetherington General Engineering | — | (909) 208 4756 | Other | Calimesa · Riverside County | — | — |
| Hexagon Build Co | Tolga Horoz | — | (858) 435 0500 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Hey Dude Construction INC | Enrique Canchola Garcia | — | (760) 343 5272 | GC, remodel, ADU | Thousand Palms · Riverside County | — | — |
| Hg Seamless Rain Gutters | Gomez Hector Garcia | — | (951) 233 4635 | Other | Hemet · Riverside County | — | — |
| Hi - Tech Pool Care | Hi - Tech Pool Care | — | (951) 306 9744 | Pool | San Jacinto · Riverside County | — | — |
| Hi-grade Plumbing | Brandon Andrew Koralewski | — | (808) 393-0015 | GC, remodel, ADU | Corona · Riverside County | — | — |
| Hi-point Engineering INC | Roy Alden Welch | — | (951) 245 4842 | Other | Wildomar · Riverside County | — | — |