Federal Emergency Management Agency trailers used in Hurricane Katrina were given to the General Services Administration in 2009 so they could be auctioned to the public. GSA is a federal agency that sells government property to the general public.
To find items available for auction at GSA, go to GSAAuctions.gov. Type "trailer" in the search bar or scroll down to the category Trailers, Tractors and Manufactured Housing. Customers purchasing FEMA trailers through GSA must agree to several terms. Because they do not meet HUD standards, the trailers cannot be used for permanent housing. Trailers may be used for storage or as temporary camps, such as deer camps or fishing camps. Trailers purchased through GSA may be resold, but not for housing purposes.
FEMA trailers sold by individuals can be found on Craigslist. The Gulfport/Biloxi Mississippi Craigslist page lists several FEMA trailers for sale as of December 2015, with an average price of $500 for trailers in poor shape and upwards of $2000 for trailers in good shape. A trailer described as being in like new condition is listed for $9500 in nearby Kenner, Louisiana.
FEMA trailers were found to have elevated levels of formaldehyde, a known carcinogen that can cause breathing problems.