| Jason's Quality Roofing | Jason Richard Lucas | — | (916) 204 6233 | Other roofers | Rocklin · Placer County | — | — |
| Jax Construction | Shane Dee Peirson | sales@jax-construction.com | (916) 627 8874 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Jax Project Management INC | Jack Edward Williams | — | (916) 704 6085 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Jay Carey | Jay Carey | — | (916) 397 1322 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Jay Drohan The Water Heater Man | Jay Patrick Drohan | — | (916) 215 0030 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Jay's Home Repair And Improvements | Jay's Home Repair And Improvements | — | (916) 248 6018 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Jaykins Construction LLC | Douglas Leslie Jaykins | — | (916) 626 9922 | Other | Roseville · Placer County | — | — |
| Jb - Tc Ventures LLC DBA Jb Bostick Company | Joel Batule | — | (916) 773 6067 | Other | Roseville · Placer County | — | — |
| Jb Construction | Justin Carl Belding | — | (530) 863 9759 | GC, remodel, ADU | Colfax · Placer County | — | — |
| Jb Construction Solutions INC | Jeremy Edward Brandt | — | (916) 677 9256 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Jb Ranch Solutions LLC | Shane Dylan Dees | — | (916) 276 4872 | Other | Lincoln · Placer County | — | — |
| Jb Tahoe Painting Services Corp | Lopez Jesus Bohorquez | — | (530) 386 8767 | Windows, patio, painters | Kings Beach · Placer County | — | — |
| Jbc Construction | Brandon Joseph Budgick | — | (650) 222 4500 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Jbhomes | Joshua Bevzyuk | — | (916) 462 4157 | GC, remodel, ADU | Rocklin · Placer County | — | — |
| Jc Custom Pools INC | Jose Ramiro Castaneda | — | (916) 899 4212 | Pool | Loomis · Placer County | — | — |
| Jc Hale Construction Incorporated | James Murray Hale | — | (916) 773 2878 | GC, remodel, ADU | Loomis · Placer County | — | — |
| Jc Integrity Construction INC | Jesse Aceves Cardenas | — | (916) 212 2096 | GC, remodel, ADU | Auburn · Placer County | — | — |
| Jc Window Solutions | Jc Window Solutions | josh@jcwindowsolutions.com | (209) 304 2382 | Other | Auburn · Placer County | — | — |
| Jd's Drywall LLC | John Norman Drinkwater | — | (916) 806 8775 | Other | Roseville · Placer County | — | — |
| Jd's Remodeling | Jd's Remodeling | — | (914) 410 0081 | GC, remodel, ADU | Roseville · Placer County | — | — |
| Jd2 Incorporated | Carter Alan Livingston | — | (530) 889 2979 | Other | Auburn · Placer County | — | — |
| Jdm Property Improvement INC | Joshua Daniel Mercado | — | (831) 334 2004 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Jec Steel INC | James Edward Coggeshall | — | (916) 417 8320 | Other | Roseville · Placer County | — | — |
| Jeff Davenport Construction | Jeffery Lynn Davenport | — | (530) 308 7144 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Jeff Dumm | Jeff Dumm | — | (916) 871 2459 | Electricians | Rocklin · Placer County | — | — |
| Jeff Eagles Remediation | Jeff Eagles Remediation | — | (916) 741 9955 | Other | Rocklin · Placer County | — | — |
| Jeff Foley Construction | Jeffrey Richard Foley | jefffoleyconstruction@gmail.com | (530) 840 0501 | GC, remodel, ADU | Lincoln · Placer County | — | — |
| Jeff Frerichs Floors | Jeff Frerichs Floors | — | (916) 768 6044 | Other | Roseville · Placer County | — | — |
| Jeff Orme Wiring | Jeff Orme Wiring | — | (916) 791 8965 | Other | Granite Bay · Placer County | — | — |
| Jeff Smith Construction | Jeffery Charles Smith | jeff@jeffsmithconstruction.com | (916) 663-3000 | GC, remodel, ADU | Newcastle · Placer County | — | — |
| Jeff Stewart Landscaping | Jeff Stewart Landscaping | — | (916) 257 4946 | Windows, patio, painters | Granite Bay · Placer County | — | — |
| Jeffers Dolan And Dolan Construction | Patrick Joseph Dolan | — | (916) 791 0686 | GC, remodel, ADU | Granite Bay · Placer County | — | — |
| Jeffery L Johnston | Jeffery L Johnston | — | (916) 543 0788 | Pool | Lincoln · Placer County | — | — |
| Jeffrey Moss | Jeffrey Moss | — | (916) 257 3390 | Electricians | Loomis · Placer County | — | — |
| Jeffrey Nash Industries INC | Jeffrey Dee Nash | — | (916) 755 2443 | Other roofers | Lincoln · Placer County | — | — |
| Jeffrey P Holman Construction | Jeffrey Paul Holman | — | (530) 320 0792 | GC, remodel, ADU | Tahoe City · Placer County | — | — |
| Jeffrey Thomas Reed | Jeffrey Thomas Reed | — | (530) 906 3396 | GC, remodel, ADU | Meadow Vista · Placer County | — | — |
| Jem Painting Company | Jonathan Edward Mc Laughlin | — | (916) 390 1185 | Windows, patio, painters | Granite Bay · Placer County | — | — |
| Jem Painting INC DBA Jem Painting | Jarrod Earl Mattson | — | (916) 300 6179 | Windows, patio, painters | Roseville · Placer County | — | — |
| Jensen Construction And Development | David Lee Jensen | — | (530) 401 4457 | GC, remodel, ADU | Auburn · Placer County | — | — |