NYC co-op and condo owners claim they're overpaying property taxes: 'We want a refund'Dan Krauth has details on the 7 On Your Side investigation. Owners tell Eyewitness News the cash-strapped city is making it difficult to obtain that refund after overpaying their taxes for years. "Just do the math; it's over 40 years that the building has been overpaying its property taxes. Stan Russo is a property tax consultant and processes Clerical Error Reports for multiple buildings in New York City. Cavagnaro, Silverman and Russo say they're now trying to work with local and state lawmakers to get some answers.