couple years ago I spoke with the gentleman behind these: https://www.countryliving.com/home-design/a37788/granny-pods/ https://www.countryliving.com/home-desig

couple years ago I spoke with the gentleman behind these: https://www.countryliving.com/home-design/a37788/granny-pods/ https://www.countryliving.com/home-design/a37788/granny-pods... and I think I remember correctly that they were designed to be ADA compliant and such.