08/31/2026
Everything you need to know about building a backyard ADU in Chattanooga
If you own a single-family home in Chattanooga, you may already qualify to add a second dwelling on your lot. Not a camper. Not a shed with a microwave. A real, permitted accessory dwelling unit — up to 800 square feet. That number matters. When the city first legalized ADUs citywide in 2022, the ...