| Heritage Building Services INC | David Wayne Buol | — | (415) 302 6184 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Heritage Concrete Co | Carreno Soriano Marvin | — | (707) 503 8060 | Other | Rohnert Park · Sonoma County | — | — |
| Heritage Construction | Michael Edwin Hill | impallari@gmail.com | (707) 935 9205 | GC, remodel, ADU | Sonoma · Sonoma County | — | — |
| Heritage Fence Builders | Heritage Fence Builders | — | (707) 321 7210 | Other | Sebastopol · Sonoma County | — | — |
| Heritage Pacific Construction | Matthew James Ramirez | — | (707) 548 3777 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Heritage Quality Roofing INC | Todd Paul Felciano | — | (707) 544 4500 | Other roofers | Santa Rosa · Sonoma County | — | — |
| Hernanbocc Construction LLC | Jesus Antonio Boccaleoni-Hernandez | — | (707) 490 4081 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Hernandez Construction Corporation | Juan Pablo Hernandez Rueda | oscarghernandezalberto@gmail.com | (415) 532 7135 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Hernandez Custom Cabinetry | Hernandez Custom Cabinetry | marco.hernandez01@hotmail.com | (707) 483 5600 | Other | Rohnert Park · Sonoma County | — | — |
| Hernandez Leo Plastering | Hernandez Leo Plastering | — | (707) 217 1209 | Other | Santa Rosa · Sonoma County | — | — |
| Hernando Construction | Gerald James Hernando | build@hernandoconstruction.com | (707) 217 2903 | GC, remodel, ADU | Penngrove · Sonoma County | — | — |
| Herrera Flooring | Herrera Flooring | — | (707) 540 2522 | Other | Santa Rosa · Sonoma County | — | — |
| Herrera Plumbing | Herrera Plumbing | contact@herreraplumbing.com | (832) 712-6995 | Other | Windsor · Sonoma County | — | — |
| Herrera's Concrete | Herrera's Concrete | — | (707) 508 5990 | Other | Rohnert Park · Sonoma County | — | — |
| Herrick Drywall INC | Dave Herrick | — | (707) 933 9967 | Other | Sonoma · Sonoma County | — | — |
| Herron & The Son Builders | Herron & The Son Builders | — | (707) 490 8850 | GC, remodel, ADU | Forestville · Sonoma County | — | — |
| Hfbuilders | Francisco Gonzalez Henningsen | — | (707) 837 1845 | GC, remodel, ADU | Healdsburg · Sonoma County | — | — |
| Hib's Home Repairs | Hib's Home Repairs | — | (707) 480 3211 | GC, remodel, ADU | Cloverdale · Sonoma County | — | — |
| Hicks Construction | Samuel Ervin Hicks | — | (707) 546 0123 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Higgins Cabinetry And Countertops | Higgins Cabinetry And Countertops | — | (707) 865 2032 | Other | Duncans Mills · Sonoma County | — | — |
| High - Tech Screens & Shades | Joshua William Long | — | (415) 328 4613 | Other | Sonoma · Sonoma County | — | — |
| High Tech Tree Service Corporation | Jonathan Bernard Niess | — | (415) 686 2111 | Tree | Petaluma · Sonoma County | — | — |
| High Valley Landscape | High Valley Landscape | — | (707) 695 9297 | Windows, patio, painters | Petaluma · Sonoma County | — | — |
| High Water Woodworks | High Water Woodworks | — | (707) 484 4771 | GC, remodel, ADU | Rio Nido · Sonoma County | — | — |
| Highland Landscaping | Highland Landscaping | mygarden@highlandlandscaping.com | (707) 576 0558 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Highland Landscaping LLC | Juan Antonio Soto Chavez | mygarden@highlandlandscaping.com | (707) 576 0558 | Windows, patio, painters | Santa Rosa · Sonoma County | — | — |
| Highline Builders INC | Steven Rodney Winkler | — | (707) 823 4434 | Electricians | Sebastopol · Sonoma County | — | — |
| Highpoint Acoustic Specialties Inc. | Conan Matthew White | — | (707) 490 7111 | Other | Santa Rosa · Sonoma County | — | — |
| Hightower Fence & Remodeling INC | Sergio Adan Rodriguez Rodriguez | — | (707) 387 8535 | Other | Petaluma · Sonoma County | — | — |
| Hildreth Renovation | Hildreth Renovation | — | (707) 480 4637 | GC, remodel, ADU | Petaluma · Sonoma County | — | — |
| Hillside General Engineering | Alexander Grant Gildroy | — | (415) 806 1990 | Other | Petaluma · Sonoma County | — | — |
| Hinds Bros Company INC | Scott William Hinds | — | (707) 433 9334 | Other | Healdsburg · Sonoma County | — | — |
| Hinshaw Maintenance | Hinshaw Maintenance | — | (707) 477 1655 | GC, remodel, ADU | Rohnert Park · Sonoma County | — | — |
| Hinton Builders | Hinton Builders | — | (707) 322 9005 | GC, remodel, ADU | Healdsburg · Sonoma County | — | — |
| Hitchcock Construction | Chad David Hitchcock | — | (530) 448 4634 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Hodgin & Sons Tree Service | Michael Gillen Hodgin | — | (707) 523 0383 | Tree | Santa Rosa · Sonoma County | — | — |
| Hoffmann Building | Hoffmann Building | petehoffmannbuilding@gmail.com | (707) 478 2805 | GC, remodel, ADU | Santa Rosa · Sonoma County | — | — |
| Hofstetter Construction | Hans Ruedi Hofstetter | — | (707) 235 1648 | GC, remodel, ADU | Windsor · Sonoma County | — | — |
| Hogan Electric Service Company INC | Jared Daniel Hogan | — | (707) 327 9034 | Electricians | Windsor · Sonoma County | — | — |
| Hogue Excavation | Hogue Excavation | keith@hogueexcavation.com | (707) 328 6996 | Other | Santa Rosa · Sonoma County | — | — |