| Hector Alexis Hernandez | Hector Alexis Hernandez | — | (760) 272 3869 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| Hector Cuevas Electrical | Hector Jesus Cuevas | — | (562) 584 3318 | Electricians | Riverside · Riverside County | — | — |
| Hector Ibarra Lopez | Hector Ibarra Lopez | — | (559) 618 1138 | Windows, patio, painters | Indio · Riverside County | — | — |
| Hector Jimenez | Hector Jimenez | hola@hectorjimenez.com | (951) 498 9423 | Other roofers | Jurupa Valley · Riverside County | — | — |
| Hector Villareal Construction | Hector Ismael Villarreal | — | (714) 507 6023 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Hector's Landscape & Tree Service | Hector Manuel Angulo | — | (760) 200 6892 | Windows, patio, painters | Coachella · Riverside County | — | — |
| Hedberg Construction INC | Mark Age Hedberg | — | (760) 636 4507 | GC, remodel, ADU | Indian Wells · Riverside County | — | — |
| Hee Construction | Hee Jung Jung | — | (951) 807 1646 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Hefty General Construction INC | Love Jonah | — | (951) 572 2725 | GC, remodel, ADU | Cherry Valley · Riverside County | — | — |
| Heinige Construction | Nathan Daniel Heinige | — | (951) 834 6434 | GC, remodel, ADU | Lake Elsinore · Riverside County | — | — |
| Heinl Plumbing | Heinl Plumbing | — | (562) 713 0443 | Other | Riverside · Riverside County | — | — |
| Helie Builders | Mark Eric Helie | heliebuilders@gmail.com | (619) 201 0745 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Heliotex INC | Ryan James Hunt | — | (760) 837 0390 | Other | La Quinta · Riverside County | — | — |
| Heller Renovations And Repairs | Heller Renovations And Repairs | — | (760) 285 9498 | GC, remodel, ADU | Cathedral City · Riverside County | — | — |
| Help Your Home California INC | Alam Homayoon | hello@helpyourhomecalifornia.com | (951) 920 8004 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Helpful Handy Pro LLC | Troy Christopher Cox | hello@helpfulhandypro.com | (951) 477 4450 | GC, remodel, ADU | Temecula · Riverside County | — | — |
| Helzer's Const Services | John Rhinehart Helzer | — | (951) 712 5540 | HVAC | Corona · Riverside County | — | — |
| Hemant Kumar Assudaney | Hemant Kumar Assudaney | — | (909) 438 3770 | GC, remodel, ADU | Eastvale · Riverside County | — | — |
| Hemet Electric Company INC | Giancarlo Luigi Tschuor | — | (951) 380 9629 | Electricians | Hemet · Riverside County | — | — |
| Hemet Electrical Services | Jason Michael Laskowski | — | (951) 380 9805 | Electricians | San Jacinto · Riverside County | — | — |
| Hemet Fence Corp | Wesley Timothy Martin | — | (951) 926 8148 | Other | Homeland · Riverside County | — | — |
| Hemet Flooring Plus DBA Hemet Flooring | Ryan Scott Brotman | — | (951) 652 1108 | Other | San Jacinto · Riverside County | — | — |
| Hemet Roofing Co | Willard Kenneth Jose Picquelle | — | (951) 658 9578 | Other roofers | Temecula · Riverside County | — | — |
| Hemet Tree Service | Rickie Lee Dean | — | (909) 841 7043 | Tree | Hemet · Riverside County | — | — |
| Hemet Valley Air Conditioning INC | Mark Douglas Chandler | — | (951) 658 7476 | HVAC | Hemet · Riverside County | — | — |
| Henderson Remodeling | Henderson Remodeling | — | (775) 980 9601 | GC, remodel, ADU | Calimesa · Riverside County | — | — |
| Hengli Construction | Shiping Zhao | — | (949) 402 7400 | GC, remodel, ADU | Indio · Riverside County | — | — |
| Henley Pacific La LLC | Jose Luis Vega Frausto | — | (714) 585 6712 | Electricians | Riverside · Riverside County | — | — |
| Henley's Plumbing & Air | Henley Bryan | hello@henleysplumbingair.com | (909) 883 8827 | HVAC | Corona · Riverside County | — | — |
| Hennessey Hardwood Floors | Hennessey Hardwood Floors | — | (951) 279 9270 | Other | Corona · Riverside County | — | — |
| Henrickson Construction | Troy Eugene Henrickson | — | (760) 716 3269 | GC, remodel, ADU | Wildomar · Riverside County | — | — |
| Henriquez Construction | Rojelio Benjamin Henriquez | — | (760) 218 5379 | GC, remodel, ADU | Desert Hot Springs · Riverside County | — | — |
| Henry's Drywall Company | Henry Hernesto Rodrigues | — | (909) 837 5010 | Other | Moreno Valley · Riverside County | — | — |
| Henry's Glass Company - A Division Of Glazcon Industries INC | Mario Hernandez | — | (760) 360 2800 | Windows, patio, painters | Bermuda Dunes · Riverside County | — | — |
| Henry's Grading | Henry's Grading | — | (562) 360 2425 | Other | Temecula · Riverside County | — | — |
| Henry's Landscaping | Henry's Landscaping | — | (951) 943 8485 | Windows, patio, painters | Perris · Riverside County | — | — |
| Henson And Son's Heating And Cooling LLC | Lee Russell Henson | — | (951) 743 0363 | HVAC | Riverside · Riverside County | — | — |
| Hepco Earthwork Construction | Brian Randall Jr Hepinger | — | (951) 816 2246 | Other | Wildomar · Riverside County | — | — |
| Herbertson Og INC | Herbert Francisco Perez | micah@micahrich.com | (323) 362 7125 | GC, remodel, ADU | Riverside · Riverside County | — | — |
| Herca Telecomm Services INC DBA Herca Construction Services | Hector Raymond Castellon | — | (951) 940 5941 | Electricians | Perris · Riverside County | — | — |