| Jacob Moran Construction LLC | Jacob Michael Moran | — | (209) 756 7803 | GC, remodel, ADU | Madera · Madera County | — | — |
| Jaime Reyes | Jaime Reyes | — | (559) 645 2150 | Other | Madera · Madera County | — | — |
| James Plumbing Solutions INC | Luis E Estrada Nunez | — | (559) 350 6974 | Other | Madera · Madera County | — | — |
| James Salinas | James Salinas | — | (559) 916 9491 | Electricians | Madera · Madera County | — | — |
| Jason Ronald Praytor | Jason Ronald Praytor | — | (559) 675 8684 | Other | Madera · Madera County | — | — |
| Jay Dimino DBA Dimino Flooring | Jay Dimino DBA Dimino Flooring | — | (559) 978 0416 | Other | Madera · Madera County | — | — |
| Jay Quick Construction Co | Jay R Quick | — | (559) 363 8998 | GC, remodel, ADU | Madera · Madera County | — | — |
| Jay-co Tile | Jason Ray Chavez | — | (559) 709 2337 | Other | Madera · Madera County | — | — |
| Jb Custom Building | Jb Custom Building | — | (559) 223 4646 | GC, remodel, ADU | Chowchilla · Madera County | — | — |
| Jc Elite Contractors | Casey Andrew Olson | — | (559) 296 2149 | GC, remodel, ADU | Madera · Madera County | — | — |
| Jdp Plumbing | Jdp Plumbing | — | (559) 706 0023 | Other | Madera · Madera County | — | — |
| Jeff Alexander Floor Covering | Jeff Alexander Floor Covering | — | (559) 970 6588 | Other | Madera · Madera County | — | — |
| Jeff Barnes | Jeff Barnes | — | (559) 691 8123 | GC, remodel, ADU | Ahwahnee · Madera County | — | — |
| Jeff Patterson Painting | Jeff Patterson Painting | — | (559) 706 1865 | Windows, patio, painters | Madera · Madera County | — | — |
| Jeffrey Hart Construction | Jeffrey Paul Hart | — | (559) 706 6865 | GC, remodel, ADU | North Fork · Madera County | — | — |
| Jerry Thomas Cook Jr | Jerry Thomas Cook Jr | — | (559) 481 3612 | Other | Madera · Madera County | — | — |
| Jesse’s Custom Painting | Jesse’s Custom Painting | — | (415) 770-2127 | Windows, patio, painters | Madera · Madera County | — | — |
| Jimenez Heritage Landscape INC | Juan Saul Jimenez Feliciano | — | (559) 645 7576 | Windows, patio, painters | Madera · Madera County | — | — |
| Jmt General Contractors INC | Jonathan Michael Tracy | — | (559) 360 3990 | GC, remodel, ADU | Oakhurst · Madera County | — | — |
| Joe Junior Gonzales | Joe Junior Gonzales | — | (559) 536 5405 | GC, remodel, ADU | Madera · Madera County | — | — |
| Joe Wallo's Welding Fabrication & Machining | Joseph Connor Wallo | — | (559) 760 0754 | Other | Oakhurst · Madera County | — | — |
| John H Signes | John H Signes | — | (559) 760 5329 | GC, remodel, ADU | Ahwahnee · Madera County | — | — |
| John Phillip Watts | John Phillip Watts | — | (559) 479 2056 | Other | Madera · Madera County | — | — |
| John Reed General Contractor | John Reed General Contractor | — | (559) 683 7474 | GC, remodel, ADU | Oakhurst · Madera County | — | — |
| John Rex General Contractor | John Rex General Contractor | — | (559) 352 1225 | GC, remodel, ADU | North Fork · Madera County | — | — |
| John Shaw | John Shaw | — | (559) 269 7617 | Other | Madera · Madera County | — | — |
| John Wayne Plumbing | John Wayne Henderson | — | (559) 642 3853 | Other | Coarsegold · Madera County | — | — |
| Jordan's Corte Madera Roofing | Jordan's Corte Madera Roofing | — | (628) 666-6982 | Other roofers | Corte Madera · Madera County | — | — |
| Jose Carlos Lopez Jr | Jose Carlos Lopez Jr | — | (559) 832 6818 | Other | Madera · Madera County | — | — |
| Joseph Bull Construction INC | Cesar Chayanne Ortega Del Toro | — | (559) 892 8408 | GC, remodel, ADU | Madera · Madera County | — | — |
| Joseph Wang Construction INC | Joseph Edward Wang | — | (408) 500 6409 | GC, remodel, ADU | Coarsegold · Madera County | — | — |
| Jsn Flooring | Jsn Flooring | jsn.flooring2024@gmail.com | (530) 560-9638 | Other | Madera · Madera County | — | — |
| Jtm General Construction | Martinez Jose Trujillo | info@jtmgeneralconstruction.com | (559) 232 9102 | GC, remodel, ADU | Madera · Madera County | — | — |
| Juarez Brothers General Engineering INC | Daniel Juarez | — | (559) 908 2540 | Other | Madera · Madera County | — | — |
| Just In Case Excavating & Utilities | Justin Aaron Keller | — | (559) 676 7902 | Other | Raymond · Madera County | — | — |
| Jv Landscape | Jv Landscape | — | (559) 567 7773 | Windows, patio, painters | Madera · Madera County | — | — |
| Jv Masonry INC | Jose Arnulfo Vega | — | (559) 479 0592 | Other | Madera · Madera County | — | — |
| Jzcoatsofquality LLC | Jzcoatsofquality LLC | — | (559) 613-9293 | Windows, patio, painters | Madera · Madera County | — | — |
| K F E Construction INC | Francisco Quilantan-Jimenez | — | (559) 479 2790 | GC, remodel, ADU | Madera · Madera County | — | — |
| K M Enterprise DBA Madera Blinds And Shutters | Madera Blinds And Shutters | — | (559) 706 2459 | Other | Madera · Madera County | — | — |