The needs, requirements and authorization for a Housing ESA Letter are the same as a normal ESA letter. According to Fair Housing Amendments Act, 1988, property managers and landlords must make accommodations in their policies to allow the ESA to live with their tenant.
The Biggest House in the World by Leo Lionni, published in 1968. Plot: A young snail tells his father he wants a big house and his father tells him the story of a snail who did get the biggest house in the world.
All I could find was the world's tallest log cabin. Dominating the skyline of Arkhangelsk, a city in Russia's far north-west, it is believed to be the world's tallest wooden house, soaring 13 floors to reach 144ft - about half the size of the tower of Big Ben.