| H J Construction | Jelvani Homayoun | — | (408) 355 3509 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| H J Remodeling Construction | Javadi Hamid | — | (408) 910 8484 | GC, remodel, ADU | Cupertino · Santa Clara County | — | — |
| H K Avery Construction | Hiram Kiyoshi Avery | — | (408) 248 1548 | GC, remodel, ADU | Santa Clara · Santa Clara County | — | — |
| H M A Heating & Cooling | Huy Quoc Dinh | — | (408) 726 9766 | HVAC | Milpitas · Santa Clara County | — | — |
| H M Floor Covering | H M Floor Covering | — | (408) 202 8819 | Other | San Jose · Santa Clara County | — | — |
| H M Landscaping | H M Landscaping | — | (650) 465 6421 | Windows, patio, painters | Mountain View · Santa Clara County | — | — |
| H Millan Concrete | Millan Heriberto Naranjo | — | (408) 712 1033 | Other | San Jose · Santa Clara County | — | — |
| H P M Systems INC | Herbert John Buehler | info@hpmsystems.com | (408) 615 6900 | Other | Sunnyvale · Santa Clara County | — | — |
| H T Z Construction INC | Zhang Hongtao | — | (408) 601 7399 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| H V Electric Co | Hy Duy Ky Pham | — | (530) 407 4379 | Electricians | San Jose · Santa Clara County | — | — |
| H V General Contractor | H V General Contractor | — | (408) 431 1489 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| H V Quality Painting | H V Quality Painting | — | (408) 836 5291 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| H Z Concrete & Engineering INC | Hector Sr Zarate | — | (408) 718 7928 | Other | San Jose · Santa Clara County | — | — |
| H Z General Engineering | H Z General Engineering | — | (408) 718 7928 | Other | San Jose · Santa Clara County | — | — |
| H Z Plaster Construction | Hector Sr Zarate | — | (408) 718 7928 | Other | San Jose · Santa Clara County | — | — |
| H&l Restoration | H&l Restoration | — | (408) 668-0568 | Restoration | San Jose · Santa Clara County | — | — |
| H.h. Welding | Zachary Tyler Kendrick | — | (408) 612 5208 | Other | Morgan Hill · Santa Clara County | — | — |
| Ha Engineering | Ha Engineering | — | (408) 506 7100 | Electricians | San Jose · Santa Clara County | — | — |
| Ha Manh Nguyen | Ha Manh Nguyen | — | (408) 621 4939 | Electricians | San Jose · Santa Clara County | — | — |
| Ha Painting Services INC | Jose Hernan Alvarez Martinez | — | (408) 772 7398 | Windows, patio, painters | Santa Clara · Santa Clara County | — | — |
| Haase Const | Haase Const | — | (831) 818 3513 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Haeger Stained Glass | Haeger Stained Glass | — | (408) 251 2019 | Windows, patio, painters | San Jose · Santa Clara County | — | — |
| Hagensen Pacific Construction INC | Frank Farhad Nejat | — | (408) 961 8656 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Hahn Mechanical | Hahn Mechanical | — | (408) 460 5304 | HVAC | San Jose · Santa Clara County | — | — |
| Hahn's Lighting Service INC | Chad Alan Mc Dougall | — | (408) 295 1755 | Electricians | Morgan Hill · Santa Clara County | — | — |
| Halcyon Overhead Door | Jonathan Michael Spung | halcyonoverheaddoor@gmail.com | (408) 528 6187 | Other | San Jose · Santa Clara County | — | — |
| Hall's Construction | Donald Eugene Jr Hall | — | (408) 893 7297 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Hallmark Installations | Hallmark Installations | — | (408) 606 0013 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Halo Builders INC | David Lee Tejeda | — | (408) 549 5988 | GC, remodel, ADU | Sunnyvale · Santa Clara County | — | — |
| Halstead Drywall INC | Douglas Dean Walker | — | (408) 972 0334 | Other | San Jose · Santa Clara County | — | — |
| Hamilton Builders INC | Juan Gabriel Garcia Vazquez | sales@hamiltonbuilders.com | (408) 687 1109 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Hamilton257 Const. | Chunbo Ni | — | (650) 788 9235 | GC, remodel, ADU | Palo Alto · Santa Clara County | — | — |
| Hammer's Plumbing & Drain Service | Hammer Luzinsky | — | (408) 509 4051 | Other | San Jose · Santa Clara County | — | — |
| Hammerschmidt Construction INC | John Leonard Hammerschmidt | — | (650) 948 4200 | GC, remodel, ADU | Los Altos · Santa Clara County | — | — |
| Han Electric | Han Hoai Ngo | hanelectric@hotmail.com | (780) 977-8599 | Electricians | San Jose · Santa Clara County | — | — |
| Han Jo Oh | Han Jo Oh | — | (408) 483 0444 | Electricians | San Jose · Santa Clara County | — | — |
| Han Kook Plumbing | Han Kook Plumbing | — | (408) 781 0286 | Other | Campbell · Santa Clara County | — | — |
| Han's Builder Construction | Allen Han | — | (408) 966 0885 | GC, remodel, ADU | San Jose · Santa Clara County | — | — |
| Handcrafted Cabinets | Handcrafted Cabinets | — | (408) 472 8393 | Other | San Jose · Santa Clara County | — | — |
| Handy Rooter And Plumbing | Handy Rooter And Plumbing | — | (408) 444 1167 | Other | San Jose · Santa Clara County | — | — |