Rockland County, NY — Property Tax Underwriting Guide
New York · Annual market review
What this means for multifamily underwriting
Rockland has high combined rates, especially in areas served by high-spending school districts. Ramapo has the largest multifamily stock.
Transaction type breakdown
Rockland County assessment is conducted at the town level. Annual assessment at varying fractions of full value; sales are strong market evidence used in annual reviews.
Refinance does not affect assessed value.
Ownership transfer is market evidence; can influence the next annual review.
Tax appeal information
20.0 mill placeholder is a mid-county estimate; actual rates vary by town and school district.
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: Rockland Real Property
Annual-market model is directionally correct; millage requires per-town verification.
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 Rockland County
Use Parclio's estimator to model the post-closing tax bill, NOI impact, DSCR change, and underwriting memo language for your next Rockland County deal.