| James A Blomster | James A Blomster | — | (530) 365 4897 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| James C Hughes Tile Company | James Clark Hughes | — | (530) 227 6792 | Other | Bella Vista · Shasta County | — | — |
| James Henry Dixon | James Henry Dixon | — | (530) 223 5692 | GC, remodel, ADU | Redding · Shasta County | — | — |
| James Kenneth Hendrickson DBA Jkh Door Service Company | James Kennith Hendrickson | — | (530) 223 4545 | Other | Redding · Shasta County | — | — |
| Jarrod Parker Roofing | Jarrod Cody Parker | — | (530) 921 5567 | Other roofers | Anderson · Shasta County | — | — |
| Jarrod Riggs Construction | Jarrod Randle Riggs | — | (530) 605 7488 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Jasen Electric | Jasen Napoleon Cardin | — | (530) 722 7956 | Electricians | Redding · Shasta County | — | — |
| Jason Lansing | Jason Lansing | — | (916) 932 3605 | Other | Redding · Shasta County | — | — |
| Jason Sanchez Heating & Air INC | Jason Aubrey Sanchez | — | (530) 246 8327 | HVAC | Bella Vista · Shasta County | — | — |
| Jaxon Enterprises DBA W Jaxon Baker INC | Wallace Jaxon Baker | — | (530) 241 2112 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Jay Kay & Son's INC | Justin Allen Kennedy | — | (818) 723 1798 | Other | Anderson · Shasta County | — | — |
| Jbc Roofing | Barajas Jaime | — | (530) 360 0929 | Other roofers | Cottonwood · Shasta County | — | — |
| Jbkb05 INC DBA Budget Blinds Of Redding | Gerald Alan Bay | — | (530) 226 9027 | Other | Cottonwood · Shasta County | — | — |
| Jc Perrin Company | John Marcus Perrin | — | (530) 949 4111 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Jd Construction | Joseph Malachy Delong | — | (530) 227 8159 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Jed Lack Construction | Jedediah Morgan Lack | — | (530) 515 6250 | GC, remodel, ADU | Redding · Shasta County | — | — |
| Jeff Da Silva Home Restoration | Jeff Da Silva Home Restoration | — | (530) 718 9967 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Jeff Lader Landscaping | Jeff Lader Landscaping | — | (530) 515 6411 | Windows, patio, painters | Shasta Lake · Shasta County | — | — |
| Jeff Mann Construction | Jeffrey Allen Mann | — | (530) 347 7238 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Jeff Ray's Landscaping And Gardening | Jeff Ray's Landscaping And Gardening | — | (530) 276 5035 | Windows, patio, painters | Redding · Shasta County | — | — |
| Jeff Sukosky | Jeff Sukosky | — | (415) 971 8734 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Jefferson State Cabinet Company | Gary Leroy Jr Wilcox | — | (530) 215 3740 | Other | Redding · Shasta County | — | — |
| Jefferson State Highways INC | Josh Lee Latham | — | (530) 604 9801 | Other | Redding · Shasta County | — | — |
| Jeffery D Foster | Jeffery D Foster | — | (530) 395 9442 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Jeremiah Wheeler Landscape And Gardening | Jeremiah Lavern Wheeler | — | (530) 921 2141 | Windows, patio, painters | Shasta Lake · Shasta County | — | — |
| Jeremy Daniel Hufft | Jeremy Daniel Hufft | — | (530) 209 4871 | Electricians | Anderson · Shasta County | — | — |
| Jeremy Kaiser Construction | Jeremy Douglas Kaiser | — | (530) 638 5051 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Jerry Lee Bloom Const | Jerry Lee Bloom Const | — | (530) 949 8121 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Jeterbuilt Construction INC | Lisa June Jeter | — | (530) 356 6827 | Electricians | Redding · Shasta County | — | — |
| Jewells Concrete Cutting INC | Gary Dean Jewell | — | (530) 222 8191 | Other | Redding · Shasta County | — | — |
| Jf Painting INC | John James Fleming | — | (530) 221 4842 | Windows, patio, painters | Redding · Shasta County | — | — |
| Jh Electric | Jeremy William Harrigan | — | (530) 351 5529 | Electricians | Redding · Shasta County | — | — |
| Jim Conrad Electric | James Harvey Conrad | — | (530) 941 2924 | Electricians | Anderson · Shasta County | — | — |
| Jim Finch Const | Jim Finch Const | — | (530) 241 2375 | GC, remodel, ADU | Anderson · Shasta County | — | — |
| Jim's Wall Coverings | Jim's Wall Coverings | — | (530) 244 4466 | Windows, patio, painters | Redding · Shasta County | — | — |
| Jimmy's Tractor & Tree Service | James Joseph Thomas | — | (530) 917 6556 | Tree | Redding · Shasta County | — | — |
| Jm Telecoms LLC | Jeffrey David Jr Middleton | — | (661) 348 1266 | Other | Cottonwood · Shasta County | — | — |
| Jms Floors | Jms Floors | — | (530) 526 6256 | Other | Cottonwood · Shasta County | — | — |
| Joe Chase Construction | Joseph Raymond Chase | — | (530) 200 1268 | GC, remodel, ADU | Cottonwood · Shasta County | — | — |
| Joe Corey Concrete LLC | Joseph Matthew Corey | — | (530) 209 3087 | Other | Redding · Shasta County | — | — |