Trust our property tax pros to help lower the cost of your Property Taxes. ZapMyTax is dedicated to reducing the Property Taxes of homeowners in Nassau and Suffolk Counties. We have helped tens of thousands of homeowners save millions of dollars on their property tax bills for more than 30 years. Our experienced staff is equipped with the experience, expertise and technology needed to determine, analyze and file Property Tax Grievances. ZapMyTax also serves as a government watchdog to ensure that all homeowners are being treated fairly. We are licensed, bonded and insured. The property tax grievance process can be pretty complicated, but we've tried to simplify and explain how property tax assessments are calculated for you.