NYS Department of Taxation and Finance on Assessments and Taxes
To further clarify the relationship between the Town Assessor’s property value Assessments and your Taxes, here is a document produced by the New York State Department of Taxation and Finance which I hope puts this issue to rest.
Your assessment could increase, and your tax bill could decrease
Your assessment could increase and your tax bill could stay the same
Your assessment could decrease and your tax bill could increase.