Erie County, NY — Property Tax Underwriting Guide
New York · Annual market review
What this means for multifamily underwriting
Buffalo and Erie County have experienced significant multifamily investment pressure in recent years. Combined effective rates are moderate for New York State.
Transaction type breakdown
Erie County municipalities assess annually. The City of Buffalo and surrounding towns each have their own assessors and assessment ratios. Sale prices are used as market evidence in annual reviews.
Refinance does not affect assessed value.
Ownership transfer is market evidence used at the next annual review.
Tax appeal information
17.0 mill placeholder is a mid-county estimate for Erie.
Guide review
County guidance last reviewed: June 15, 2026
Tax-rate scope: Tax-rate scope is not established as parcel-specific; confirm the parcel's taxing-authority stack.
Official sources: Erie County Assessments
Annual-market model is directionally accurate; millage is a county-level estimate.
Parclio estimates are underwriting guidance, not legal or tax advice. Always verify millage rates, the seller's assessed value, and appeal deadlines with the county assessor or local counsel before relying on these numbers for a credit decision.
Run a tax reset estimate for Erie County
Use Parclio's estimator to model the post-closing tax bill, NOI impact, DSCR change, and underwriting memo language for your next Erie County deal.