The report criticizes the BRT for "ineptness," and the owners for trying to take advantage of the mistake.
"It appears that the longer the property remained wrongly classified by the BRT, the more confident the owners felt that they could get away with not paying their taxes," said Controller Alan Butkovitz.
Ellen Amudipe, who owns the building with her husband, said she thought she had been paying taxes through the mortgage company.
She said she was "dumbfounded" when the letters arrived from the city Revenue Department.
"How could this go on and on and no one say anything to me?" Amudipe said in an interview yesterday. "I do feel like I'm the victim here."
While the controller's report focused on the Amudipe buildings, tax-free properties could be a larger problem for the BRT. The beleaguered city agency has been under intense scrutiny in recent months after an Inquirer report found wholesale mismanagement and widespread errors in assessments.
There are about 4,000 tax-exempt properties in the BRT's records, including churches, schools, and charities.
But BRT records show that hundreds of them - like the Woodbine building - have not been reassessed since 1989. That means the BRT might be missing buildings that have been converted into businesses - and should be paying taxes.
That could be a problem for the property owners, too, said Deputy City Controller Harvey M. Rice.
"Just because you are not notified of your taxes does not absolve you of paying your taxes," Rice said, adding that his office is now considering a broader review of tax-exempt properties.
Russell M. Nigro, a BRT board member, said the agency would try to determine how the error was made. Barry Mescolotto, the BRT's acting chief assessor, did not return a request for comment.