DiDonna Real Estate is a full service residential Real Estate company serving residential buyers and Sellers for over 44 years. Low commission fees, yet High customer service. AAA Certified Appraisers offers residential appraisals for all needs: mortgages, estates, property tax dispute resolution, gift tax, divorce. Expert witness testimony. New York State licensed and certified. We are successful in over 95% of property tax appraisal reductions!