| Grant Park Development | Melvin Lee Smith | — | (530) 724 0560 | GC, remodel, ADU | Dunnigan · Yolo County | — | — |
| Grc Custom Painting | Grc Custom Painting | — | (530) 650 5604 | Windows, patio, painters | Woodland · Yolo County | — | — |
| Green Light Building Construction INC | Joel Gonzalez | — | (916) 801 8369 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Green Metal Fabricating Co | Harry David Jr Green | — | (916) 371 0192 | Other | West Sacramento · Yolo County | — | — |
| Greenlight Insulation | Greenlight Insulation | — | (530) 315 5056 | Other | Winters · Yolo County | — | — |
| Greg Schulze Construction | Gregory Leonard Schulze | — | (916) 995 3703 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Greg's Rototilling | Greg's Rototilling | — | (707) 480 3809 | Windows, patio, painters | Winters · Yolo County | — | — |
| Gregory S Sheldon | Gregory S Sheldon | — | (530) 908 7342 | GC, remodel, ADU | Yolo · Yolo County | — | — |
| Grm Builders INC | Merlos Guillermo Rivera | — | (707) 249 9537 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Guillermo H Delgadillo | Guillermo H Delgadillo | — | (323) 972 2821 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Gus Stanko Paving | Gus Stanko Paving | — | (916) 997 5107 | Other | West Sacramento · Yolo County | — | — |
| Gvs Heating And Air | Sergio Padilla | — | (530) 715 5157 | HVAC | Knights Landing · Yolo County | — | — |
| Gwerder Construction | Matthew Joseph Gwerder | — | (530) 908 4047 | Electricians | Woodland · Yolo County | — | — |
| H & D Heating And Air Conditioning Services | Humberto Torres Vega | — | (916) 936 6525 | HVAC | West Sacramento · Yolo County | — | — |
| H & H Builds INC | Jared Sutherland Hunt | — | (916) 949 9508 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| H & M Pacific Flooring | Maria Leticia Melendez-Lopez | — | (530) 668 7526 | Other | Woodland · Yolo County | — | — |
| Hall Plastering | Hall Plastering | — | (530) 908 0324 | Other | Woodland · Yolo County | — | — |
| Hall Way Construction | Devante J Hall | — | (323) 761 9798 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Hallmark Remodeling | Robert Cayton Kinsey | — | (925) 785 0701 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Halls Plumbing | Christopher Louis Reynolds | — | (530) 315 4380 | Other | Esparto · Yolo County | — | — |
| Hammer Strong Const | Hammer Strong Const | — | (707) 685 2773 | GC, remodel, ADU | Winters · Yolo County | — | — |
| Hanson's Heating & Air Conditioning | Hanson's Heating & Air Conditioning | — | (530) 908 7854 | HVAC | Woodland · Yolo County | — | — |
| Harris Air | Robert Gene Harris | — | (916) 682 6208 | HVAC | West Sacramento · Yolo County | — | — |
| Harris Concrete | Harris Concrete | — | (530) 666 6317 | Other | Woodland · Yolo County | — | — |
| Harrison Construction | Stephen Eric Harrison | — | (530) 753 0373 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Harrison Construction/ Sira Contractors A Joint Venture | E Harrison INC S | — | (530) 753 0373 | GC, remodel, ADU | Davis · Yolo County | — | — |
| Hawes Heating & Air Conditioning | Hawes Heating & Air Conditioning | — | (707) 429 1116 | HVAC | Davis · Yolo County | — | — |
| Hawley Construction And Remodel INC | Warren Richard Iii Hawley | — | (916) 849 5738 | GC, remodel, ADU | Woodland · Yolo County | — | — |
| Hdz Plumbing | Hdz Plumbing | — | (279) 234 8650 | Other | West Sacramento · Yolo County | — | — |
| Heath Plumbing | Heath Plumbing | — | (530) 681 5625 | Other | Woodland · Yolo County | — | — |
| Heating And Air | Gustavo Cruz | — | (530) 204 3927 | HVAC | Woodland · Yolo County | — | — |
| Hella Comfort Heating & Air INC | Jairo Juan Gonzalez Meza | — | (707) 761 4150 | HVAC | Woodland · Yolo County | — | — |
| Henderson Plumbing | Henderson Plumbing | — | (916) 798 7851 | Other | West Sacramento · Yolo County | — | — |
| Henderson Power Services LLC | William Todd Henderson | — | (530) 383 5527 | Electricians | Woodland · Yolo County | — | — |
| Hendrix Construction Co | Bernard H Jr Hendrix | — | (530) 304 5695 | Other | Woodland · Yolo County | — | — |
| Hermanos Flores Gardening | Hermanos Flores Gardening | — | (916) 826 1499 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Hewitt & Sons Plumbing | Hewitt & Sons Plumbing | — | (530) 908 9511 | Other | Woodland · Yolo County | — | — |
| High Hand Electric | Ruiz Rafael Hurtado | — | (916) 519 3542 | Electricians | West Sacramento · Yolo County | — | — |
| Home & Yard Pros | Shahbazi Sohrab | info@homeyardpros.com | (916) 385 3196 | GC, remodel, ADU | West Sacramento · Yolo County | — | — |
| Home Fix | Sean Mathew Thomas | — | (530) 668 4349 | GC, remodel, ADU | Woodland · Yolo County | — | — |