In Tucson, I'd like to convert my den into a bedroom. What will make it legal?My home is a 3 bedroom with den. I'd like to convert the den into a 4th bedroom. What makes it a legal bedroom? Will it add much value to my home after its completion?May 09 2011 - Tucson00YesReport a ProblemProblemSelect oneOffensive contentIrrelevant contentSpam (pure self-promotion)OtherDetailsYour emailPlease enter a valid email address.Submit CancelContent flaggedWe will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.We're sorry. This service is temporarily unavailable. Please come back later and try again.