| Heartwood Tree & Co INC | Edwin Manuel Rodriguez Alejo | — | (415) 261 3357 | Other | San Rafael · Marin County | — | — |
| Heaven Or Las Vegas | David Kipling Smith | — | (310) 488 2378 | Other | San Anselmo · Marin County | — | — |
| Helbig Lighting Design & Electric | Frank William Helbig | — | (415) 246 0419 | Electricians | San Rafael · Marin County | — | — |
| Heliotrope Landscape Construction & Design | Hadley Clair | — | (415) 377 6636 | Windows, patio, painters | Fairfax · Marin County | — | — |
| Hendrickson Construction | Douglas Carl Hendrickson | interested@domainmarket.com | (415) 720 3392 | GC, remodel, ADU | Greenbrae · Marin County | — | — |
| Hendrickson Pools INC | Daniel John Earl Hendrickson | — | (415) 720 7764 | Pool | Sausalito · Marin County | — | — |
| Heneghan Developers LLC | Daire Heneghan | — | (914) 505 0702 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Hennessey Construction INC | Lori Marie Hennessey | — | (415) 459 6497 | GC, remodel, ADU | Fairfax · Marin County | — | — |
| Hennessy Construction LLC | Edward Sean Hennessy | — | (415) 450 5305 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Henry Arnold Construction | Henry Otto Iii Arnold | — | (415) 302 0541 | GC, remodel, ADU | Greenbrae · Marin County | — | — |
| Henry J Baron | Henry J Baron | — | (415) 602 0793 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Henry Pardi INC DBA Developers Plus | Ann Chiang Pardi | — | (415) 819 1541 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Henry's Pool Service | Henry's Pool Service | henryspoolserviceinfo@gmail.com | (415) 234-9042 | Pool | Novato · Marin County | — | — |
| Herb's Pool Service INC | Joshua Brandon Scott | — | (415) 479 4040 | Pool | San Rafael · Marin County | — | — |
| Herb's Pool Service INC | Timothy Jason Lindelli | — | (415) 479 4040 | Pool | San Rafael · Marin County | — | — |
| Heritage Brick & Stone | Heritage Brick & Stone | info@ndiscovered.com | (415) 847 1697 | Other | San Anselmo · Marin County | — | — |
| Hernandez Lath And Plastering | Hernandez Lath And Plastering | — | (415) 408 1425 | Other | Corte Madera · Marin County | — | — |
| Herrera Elite Construction Group LLC | Nelson Vladimir Herrera | — | (415) 717 9589 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Heydt Designs | Heydt Designs | eigha@heydtdesigns.com | (415) 847 4707 | GC, remodel, ADU | Muir Beach · Marin County | — | — |
| Hg Tile LLC | Hernandez Garcia Gerardo | — | (415) 524 5656 | Other | Novato · Marin County | — | — |
| Hgci | James Brandt Huston | — | (415) 597 6880 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Hh Construction INC | Eli Fiery Froneberger | — | (415) 532 4042 | GC, remodel, ADU | Novato · Marin County | — | — |
| Higgins Construction | William Joseph Higgins | — | (415) 717 9531 | GC, remodel, ADU | Novato · Marin County | — | — |
| High End Painting INC | Juan Noel Garcia-Gonzalez | interested@domainmarket.com | (415) 871 6715 | Windows, patio, painters | San Rafael · Marin County | — | — |
| High Tech Shades LLC | Wassim Mokbel | — | (415) 846 8503 | Other | Novato · Marin County | — | — |
| High Wire Electric | Ogg Robin | — | (415) 388 7605 | Electricians | Mill Valley · Marin County | — | — |
| Hildebrand Renovation INC | Thomas Albert| Hildebrand Thomas A Hildebrand | — | (415) 519 6378 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Hillhouse Electrical | Ronan Patrick Whelan | — | (415) 425 0867 | Electricians | San Rafael · Marin County | — | — |
| Hillman Construction & Renovation | Daniel Thomas Hillman | — | (415) 310 6934 | GC, remodel, ADU | San Anselmo · Marin County | — | — |
| Hilux Construction | Renato Ribeiro Faria | — | (415) 305 3506 | GC, remodel, ADU | Novato · Marin County | — | — |
| Hines Custom INC | Paul Richard Hines | — | (415) 250 8560 | GC, remodel, ADU | San Rafael · Marin County | — | — |
| Hkb Design Build INC | Heather Kendall Bernstein | — | (415) 279 0648 | GC, remodel, ADU | Kentfield · Marin County | — | — |
| Hocker Electric | Benjamin Bradley Pearce | — | (415) 583 0775 | Electricians | Novato · Marin County | — | — |
| Hodes Bryan | Hodes Bryan | — | (415) 892 1766 | GC, remodel, ADU | Novato · Marin County | — | — |
| Hoff Bro Plumbing | Hoff Bro Plumbing | — | (628) 202 4574 | Other | Novato · Marin County | — | — |
| Hoffman Development Company | Ray Iii Hoffman | — | (415) 388 0500 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Hoffmann Construction INC | Alfred Joseph Hoffmann | — | (415) 897 7263 | GC, remodel, ADU | Novato · Marin County | — | — |
| Holden Chemers | Holden Chemers | — | (415) 706 7016 | GC, remodel, ADU | Mill Valley · Marin County | — | — |
| Holzbau-construction LLC | Stefan Jens Ritter | — | (415) 578 8599 | GC, remodel, ADU | Forest Knolls · Marin County | — | — |
| Home Cinema Center | Yianni Valakitsis | service@homecinemacenter.com | (415) 897 6217 | Other | Novato · Marin County | — | — |