The Erie County sales tax rate is 8.75%. It is a general sales and compensating use tax which is levied on all taxable retail sales in Erie County. Of the total 8.75% tax collected by the State of New York, 4% is retained as State revenue and 4.75% is returned to the County. The county tax base rate is 3%. However, Erie County has received authorization to add an additional 1% in 1985, and then an additional 0.75% in 2005-2006.