that's why we built this place. >> but now there's trouble in paradise. authorities say the structure doesn't have the proper paperwork. the couple can apply for a special coastal construction permit from the state but the city of holmes beach has to sign off first. >> i was surprised. i was shocked. >> hazen says in 2011 he told the city he plan to build the tree house. >> they gave us permission in the very beginning. we went with that. >> he claims he got verbal approval but he never got it in writing. >> i wish we could talk about it and straighten it all out. >> city officials decline an on camera interview but tell innings news they're trying to protect a sensitive coastal environment. the city found the tree house presents a clear and present hazard to the safety of the general public. >> it is very upsetting. richard hazen disputes it saying he has consulted with his own engineers. >> got hurricane brackets, hurricane windows, pressure treated wood, 12 inch beams. >> this unusual tree house is