| H M Builders | H M Builders | — | (707) 980 4708 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| H Of C Flooring And Design | Benjamin Charles Rowe | — | (209) 577 1035 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| H Tile | H Tile | — | (707) 319 8932 | Other | Suisun City · Solano County | — | — |
| H2b Builders | Michael Maurice Batchelder | — | (707) 372 5315 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| H4h Remodeling And Repairs INC | Joseph Anthony Schwab | — | (707) 438 5710 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| H5 Electric INC | Troy Anthony Hensley | — | (530) 681 1625 | Electricians | Dixon · Solano County | — | — |
| Hacienda Builder | Hacienda Builder | — | (707) 330 9462 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Handlaid Custom Tile | Handlaid Custom Tile | — | (707) 624 6271 | Other | Vacaville · Solano County | — | — |
| Handyman Walker | Handyman Walker | — | (707) 989 0243 | GC, remodel, ADU | Suisun · Solano County | — | — |
| Hannah Equipment & Maintenance | Hannah Equipment & Maintenance | — | (707) 249 9268 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Hanson Home Contractors | Marc Hanson Reed | — | (707) 563 4858 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Happy Landscaping | Phung Van Hoang | — | (707) 654 6027 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Harley Construction Services | Eldon Everett Harley | info@harleyconstructionservices.com | (707) 425 8101 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Harper Construction | Stephen James Harper | — | (916) 826 3726 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Harrizon Construction | Saul Sr Harrizon Gonzalez | — | (707) 430 2793 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Harry's Carpets Ii LLC | Harry James Sellers | — | (707) 450 5956 | Other | Vacaville · Solano County | — | — |
| Harvey Construction INC | Paul Joseph Kavanagh | — | (707) 648 1484 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Harvey Overhead Door | Daniel Louis Comyns | harveyoverheaddoor@yahoo.com | (707) 643 8104 | Other | Vallejo · Solano County | — | — |
| Harvpro Fire Protection | Gregory Scott Harvey | — | (707) 446 8243 | Other | Vacaville · Solano County | — | — |
| Have Hammer Will Travel | Have Hammer Will Travel | — | (707) 315 2136 | GC, remodel, ADU | Benicia · Solano County | — | — |
| Hawkins Construction Company | Mark Stanley Hawkins | — | (707) 330 7700 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Hearn Enterprise INC | Fred James Jr Hearn | — | (707) 689 3180 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Heating & Cooling Solution | Heating & Cooling Solution | — | (707) 515 9871 | HVAC | Vacaville · Solano County | — | — |
| Heavenly Handy Construction | Dale Edward Dawley | — | (707) 365 1181 | GC, remodel, ADU | Vacaville · Solano County | — | — |
| Heavy Load | Heavy Load | — | (510) 309 6903 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Heckman Flooring | Heckman Flooring | — | (650) 922 3490 | Other | Vallejo · Solano County | — | — |
| Hello Garage Of Napa Valley | Alisia Jeannette Abramowicz | — | (707) 999 0807 | Other | Vacaville · Solano County | — | — |
| Henningsen Masonry | Henningsen Masonry | — | (707) 914 5719 | Other | Fairfield · Solano County | — | — |
| Henry Benavides | Henry Benavides | — | (415) 410 6144 | Other | Vacaville · Solano County | — | — |
| Henry Brothers Construction LLC | Ryan Charles Henry | info@henrybrothersconstruction.com | (925) 639 2996 | GC, remodel, ADU | Suisun · Solano County | — | — |
| Henry Roofing | Rodriguez Angulo Efren | — | (707) 557 1072 | Other roofers | Fairfield · Solano County | — | — |
| Hethco Services LLC | Frank Byron Hethcock | hethcoservices@gmail.com | (707) 980 1548 | GC, remodel, ADU | Suisun City · Solano County | — | — |
| High Point Building Corp | Franco Jose De Jesus Tejeda | — | (415) 583 7005 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| High Quality Homes | Mascorro Jose Lopez | — | (707) 866 1494 | GC, remodel, ADU | Vallejo · Solano County | — | — |
| Hines Custom Fence | Hines Custom Fence | — | (707) 469 9744 | Other | Vacaville · Solano County | — | — |
| Hire My Husband LLC | Dawson Lane Urban | hiremyhusband@comcast.net | (707) 746 7958 | Windows, patio, painters | Benicia · Solano County | — | — |
| Hmw Construction INC | William Jameson Wallace | — | (707) 631 5432 | GC, remodel, ADU | Fairfield · Solano County | — | — |
| Hoang Landscaping | Hoang Landscaping | info@hoanglandscaping.com | (707) 731 2104 | Windows, patio, painters | Vallejo · Solano County | — | — |
| Hobson Painting And Coatings | Hobson Painting And Coatings | — | (707) 747 0427 | Windows, patio, painters | Benicia · Solano County | — | — |
| Homepro Remodeling Handyman | Homepro Remodeling Handyman | — | (707) 712 8660 | GC, remodel, ADU | Vallejo · Solano County | — | — |