| J E S Construction | Eddie Eugene Jr Willyard | — | (530) 622 6931 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| J Elite INC | Darren Keith Jonutz | — | (530) 676 3511 | Other roofers | Shingle Springs · El Dorado County | — | — |
| J H Construction | Justin Olmstead Hicks | — | (916) 747 5883 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| J J Santos Heating & Air | Joseph John Turner Santos | — | (916) 532 7141 | HVAC | Somerset · El Dorado County | — | — |
| J L Bartz Construction Company INC | Jeffrey Lawrence Bartz | — | (530) 906 3086 | GC, remodel, ADU | Cool · El Dorado County | — | — |
| J L Electric | Jerry Paul Lansing | — | (530) 409 7058 | Electricians | El Dorado · El Dorado County | — | — |
| J L M Mechanical | J L M Mechanical | — | (916) 919 1033 | HVAC | Cameron Park · El Dorado County | — | — |
| J Lussier Construction INC | Jason James Lussier | — | (530) 676 8787 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| J M C Construction | Justin Michael Carr | — | (530) 417 2741 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| J M Electric | John Edward Hackley | — | (925) 778 2231 | Electricians | Cameron Park · El Dorado County | — | — |
| J P C Landscape Designs INC | James Paul Campbell | — | (916) 933 9913 | Windows, patio, painters | El Dorado Hills · El Dorado County | — | — |
| J P Cook Construction | Jason Paul Cook | — | (530) 903 6200 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| J P Pecota Construction | Jesse Paul Pecota | — | (530) 556 0081 | GC, remodel, ADU | Shingle Springs · El Dorado County | — | — |
| J R Ashley Construction | Jefferey Robert Ashley | — | (530) 318 5271 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| J R Finocchiaro Construction | John Rocky Finocchiaro | — | (951) 764 9820 | GC, remodel, ADU | Cameron Park · El Dorado County | — | — |
| J Rodriguez Roofing | Jose Regugio Rodriguez | hello@sylvanwebdesign.com | (530) 295 0221 | Other roofers | Placerville · El Dorado County | — | — |
| J S Construction | Jonathan Robert Scharffenberg | — | (916) 300 2746 | GC, remodel, ADU | Diamond Springs · El Dorado County | — | — |
| J T Builders | J T Builders | — | (530) 545 2403 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| J T M Construction INC | Michael Alan Jr Navarra | — | (209) 200 2170 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| J T Verner Plastering | J T Verner Plastering | — | (530) 906 1481 | Other | Garden Valley · El Dorado County | — | — |
| J W A Landscape & Concrete Construction | John Wendell Anderson | — | (916) 933 6086 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| J W Mc Farren Electrical Contractor | Jerry William Mc Farren | — | (530) 333 2525 | Electricians | Georgetown · El Dorado County | — | — |
| J&s Builds LLC | Solomon Michael Rigney | — | (916) 666 5124 | GC, remodel, ADU | Greenwood · El Dorado County | — | — |
| J's Integrity Construction | Jeffrey Alan Smith | — | (916) 531 1639 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| Jacino Electrical | Michael Felice Jr Jacino | — | (916) 768 3323 | Electricians | El Dorado Hills · El Dorado County | — | — |
| Jack Const Co | Paul Raymond Jack | — | (530) 577 9267 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Jacks Excavating And Paving | Jacks Excavating And Paving | — | (530) 622 3301 | GC, remodel, ADU | El Dorado · El Dorado County | — | — |
| Jackson Mechanical | Jackson Mechanical | — | (530) 391 1600 | HVAC | Mt Aukum · El Dorado County | — | — |
| Jacobs Custom Home Solutions INC | Justin Edward Jacobs | — | (231) 388 0679 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| Jag Excavating & Paving | Jeremy Alan George | — | (916) 203 7926 | Other | Placerville · El Dorado County | — | — |
| James A Baldini | James A Baldini | — | (530) 919 6872 | GC, remodel, ADU | Coloma · El Dorado County | — | — |
| James B Cook Construction | James Bernard Cook | — | (530) 417 1753 | GC, remodel, ADU | Placerville · El Dorado County | — | — |
| James Gasser | James Gasser | — | (916) 990 8821 | Other | El Dorado Hills · El Dorado County | — | — |
| James J Feusi | James J Feusi | — | (530) 409 2822 | Other | Placerville · El Dorado County | — | — |
| James P Bacchi DBA B P J Construction | James Pio Bacchi | — | (530) 392 0210 | GC, remodel, ADU | Pilot Hill · El Dorado County | — | — |
| James P Barnickel | James P Barnickel | — | (916) 939 6931 | GC, remodel, ADU | El Dorado Hills · El Dorado County | — | — |
| James P Walsh | James P Walsh | — | (530) 600 2848 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Jamie Michael Garrido | Jamie Michael Garrido | — | (530) 644 7647 | GC, remodel, ADU | Pollock Pines · El Dorado County | — | — |
| Jared Clark Construction Company | Jared Israel Clark | — | (530) 545 3249 | GC, remodel, ADU | South Lake Tahoe · El Dorado County | — | — |
| Jared Dimuccio Construction | Jared Thomas Dimuccio | — | (530) 391 5951 | GC, remodel, ADU | Camino · El Dorado County | — | — |