| Have Dump Will Travel | Have Dump Will Travel | — | (510) 504 6707 | Other | Copperopolis · Calaveras County | — | — |
| Hdz Drywall INC | Oscar Jr Hernandez | — | (209) 501 9790 | Other | San Andreas · Calaveras County | — | — |
| Heggen Construction | Jeffery Lee Sr Heggen | — | (209) 471 3241 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| Hensley Construction | Gary Kenneth Hensley | — | (209) 772 0500 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| Hensley Homes | Hensley Homes | — | (513) 509-5010 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| Herring Paving Company | Brian Doyle Herring | — | (209) 609 6058 | Other | Valley Springs · Calaveras County | — | — |
| Hi-power Energy LLC | Ryan Leonard Cross | mslish@hipowerenergy.com | (909) 754 4855 | Electricians | Valley Springs · Calaveras County | — | — |
| High Country Builders INC | Jeffery William Mangano | — | (209) 754 4689 | GC, remodel, ADU | Mountain Ranch · Calaveras County | — | — |
| High Country Construction | Wyatt Alexander Mcclelland | ask@high-country-construction.com | (209) 431 9060 | GC, remodel, ADU | Avery · Calaveras County | — | — |
| Highfill Construction | Doyle Dean Highfill | — | (209) 772 2500 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| Hillsdale Home Service Company | Dale Allen James | — | (209) 304 9771 | GC, remodel, ADU | San Andreas · Calaveras County | — | — |
| Holman Electric | Chad Alan Holman | — | (209) 406 7668 | Electricians | Valley Springs · Calaveras County | — | — |
| Home Painting Solutions | Home Painting Solutions | — | (925) 813 8293 | Windows, patio, painters | Copperopolis · Calaveras County | — | — |
| Homes Are Us | Homes Are Us | — | (209) 559 9138 | GC, remodel, ADU | San Andreas · Calaveras County | — | — |
| Horizon Realty Group | Horizon Realty Group | sales.horizonrealty@gmail.com | — | Property managers | Calaveras County · Calaveras County | — | — |
| Houle Construction And Excavation | Jeffrey Michael Houle | — | (209) 768 7016 | Other | Arnold · Calaveras County | — | — |
| Hubertus Kempf | Hubertus Kempf | — | (415) 936 9540 | GC, remodel, ADU | Vallecito · Calaveras County | — | — |
| Hugo's Construction | Hugo Alberto Hernandez Vasquez | — | (209) 531 4701 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| Iceman Construction | Delmer Paul Iceman | — | (925) 321 6975 | GC, remodel, ADU | Copperopolis · Calaveras County | — | — |
| Inada Construction | John Mitsuru Inada | — | (310) 251 2853 | GC, remodel, ADU | Mountain Ranch · Calaveras County | — | — |
| Iris Build Corp | Pascual Diaz | — | (209) 818 5565 | GC, remodel, ADU | Wallace · Calaveras County | — | — |
| J & R Painting Company | James Joseph Mc Clelland | — | (209) 795 5231 | Windows, patio, painters | Arnold · Calaveras County | — | — |
| J C M Concrete & Framing INC | Cesar Alejandro Magana | — | (209) 401 8453 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| J C S Construction | Jeffrey Clark Salaun | — | (209) 304 7560 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| J D Building Solutions | J D Building Solutions | — | (916) 417 7658 | GC, remodel, ADU | Arnold · Calaveras County | — | — |
| J E G Development | J E G Development | info@jegdevelopment.com | (209) 602 6833 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| J Farris Construction | John Edward Farris | — | (209) 810 2570 | GC, remodel, ADU | Wallace · Calaveras County | — | — |
| J G Dollar & Associates INC | Justin George Dollar | — | (209) 795 5191 | GC, remodel, ADU | Arnold · Calaveras County | — | — |
| J Hayes Painting | J Hayes Painting | — | (209) 482 5046 | Windows, patio, painters | Valley Springs · Calaveras County | — | — |
| J Jarman Construction | Jason Cornell Jarman | — | (209) 483 5243 | GC, remodel, ADU | Angels Camp · Calaveras County | — | — |
| J Meeks Construction | Jerry Lee Jr Meeks | — | (209) 304 0959 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| J P Welding | J P Welding | — | (661) 332 9899 | Other | Wallace · Calaveras County | — | — |
| J R H General Engineering INC | Joshua Richard Hurles | — | (209) 828 9365 | Other | Wallace · Calaveras County | — | — |
| J Roberts Engineering | Jacob Christopher Roberts | — | (209) 817 6001 | Other | Valley Springs · Calaveras County | — | — |
| J T Construction | Joseph Enice Trammel | — | (209) 993 1012 | GC, remodel, ADU | Valley Springs · Calaveras County | — | — |
| James Mann Construction | James Gordon Mann | — | (209) 601 4094 | GC, remodel, ADU | Altaville · Calaveras County | — | — |
| James Miller Painting | James Miller Painting | — | (209) 278 8372 | Windows, patio, painters | Arnold · Calaveras County | — | — |
| James W Speyer | James W Speyer | — | (925) 250 8416 | Other | Copperopolis · Calaveras County | — | — |
| Jarnagin Construction INC | Dylan Patrick Pyle-jarnagin | — | (209) 768 7509 | GC, remodel, ADU | Avery · Calaveras County | — | — |
| Jarvis Painting And Decorating | Jarvis Painting And Decorating | — | (209) 345 0000 | Windows, patio, painters | Valley Springs · Calaveras County | — | — |