Fifteen years ago, a client of mine purchased a 900-square-foot condo subject to a city of Chicago recapture mortgage. Not surprisingly, 15 years later, 900 square feet was not large enough to raise a family, so the property needed to be sold. Reading the 17 pages of the mortgage from the city did not enlighten either my client or me as to how to address paying off this mortgage when selling this property. I needed to call to the right city department for clarification.After 20 minutes on the phone with a city official, I …