| H P Associates INC | Charles Vincent Jr Riccardi | — | (818) 879 5002 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| H P Plumbing & Back Flow Co | Harold Paul Jr Poupard | — | (805) 338 8782 | Other | Oxnard · Ventura County | — | — |
| H P T N Construction | Thang Van Nguyen | — | (805) 573 3437 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| H R M Flooring | H R M Flooring | info@website.com | (818) 645 8201 | Other | Simi Valley · Ventura County | — | — |
| H S Electric California INC | Sean James Haworth | — | (805) 279 4758 | Electricians | Newbury Park · Ventura County | — | — |
| H S H Custom Builders | Troy Delavan Walker | — | (909) 867 9501 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| H T M Electric | Trevor Michael Wise | — | (805) 368 4317 | Electricians | Thousand Oaks · Ventura County | — | — |
| H V A C Services | Thomas Edward Brewer | — | (805) 304 1486 | HVAC | Simi Valley · Ventura County | — | — |
| H W Holmes INC | Hoyt Wayne Holmes | — | (805) 383 9929 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| H2 Painting | H2 Painting | — | (805) 797 7755 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Habanero Plumbing | Habanero Plumbing | — | (805) 665 7249 | Other | Ventura · Ventura County | — | — |
| Hacienda Tile | Hacienda Tile | — | (805) 901 3309 | Other | Oxnard · Ventura County | — | — |
| Hadthan Group | Nathan Rudolf Hemminger | — | (714) 448 2793 | Other | Simi Valley · Ventura County | — | — |
| Hall Construction | Bradley Scott Hall | — | (805) 499 0836 | Other | Newbury Park · Ventura County | — | — |
| Halstead Innovative Builders INC | Steven Edward Halstead | — | (805) 644 2884 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Halter-encinas Enterprises INC | Douglas Allen Halter | — | (805) 648 4328 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Hanaman Builders Incorporated | Philip Avery Hanaman | — | (805) 908 1166 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Handcrafted Homes | Handcrafted Homes | — | (818) 519 2493 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Handcrafted Homes LLC | John Robert Albin | — | (805) 660 1198 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Handyman Harris | Handyman Harris | — | (805) 391 8636 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Handyman Jack's A Partnership | John Ray Mead | — | (530) 566 7710 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Handyman Ventura And Renovations LLC | Scott David Veatch | — | (805) 212 0072 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Haney Landscaping INC | Randy David Haney | — | (805) 640 8607 | Windows, patio, painters | Ojai · Ventura County | — | — |
| Hangtech INC | Shaun Eaton | — | (805) 300 1174 | Electricians | Simi Valley · Ventura County | — | — |
| Hannigan Plumbing | Hannigan Plumbing | — | (805) 797 6644 | Other | Ventura · Ventura County | — | — |
| Hanover Builders | Hanover Builders | — | (310) 454 4113 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Hanover Builders INC | Donald Louis Hanover | — | (310) 454 4113 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Hansen Builders INC | John Robert Hansen | info@hansenbuilders.com | (805) 649 1269 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Hansen Construction Company | Victor Russell Iii Hansen | — | (805) 390 0919 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Hansen Waterscapes INC | Michael Angelo Hansen | — | (805) 603 0269 | Pool | Moorpark · Ventura County | — | — |
| Hansen's Plumbing And Rooter | Hansen's Plumbing And Rooter | — | (805) 207 1069 | Other | Ventura · Ventura County | — | — |
| Hansen-welldo-service INC | Brandon Charles Hansen | — | (805) 646 4802 | Other | Oak View · Ventura County | — | — |
| Hanson Lab Solutions LLC | Joseph Francis Matta | — | (805) 498 3121 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Happle Construction | Scott Christopher Happle | — | (805) 947 8207 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Happy Homes Painting | Happy Homes Painting | — | (805) 907 9114 | Windows, patio, painters | Thousand Oaks · Ventura County | — | — |
| Harber Heating And Air | Mark Thomas Harber | — | (805) 482 2492 | HVAC | Camarillo · Ventura County | — | — |
| Harbor Electric | Michael Kevin Smith | — | (805) 861 4558 | Electricians | Ventura · Ventura County | — | — |
| Hard - Co | Hugh Gerry Pluss | — | (805) 368 8382 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Hard Rock Grinding And Rentals | Randall Scott Marsh | — | (805) 499 9555 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Hardwire Electric | Roman John Sawelenko | interested@domainmarket.com | (818) 605 7393 | Electricians | Thousand Oaks · Ventura County | — | — |