Nassau County, NY Metro · New York County Underwriting Brief

Nassau County, NY DSCR Property Tax, Windstorm & Transfer Tax Guide

In Nassau County, New York (Nassau County, NY metro), 1–4 unit investment properties carry an average effective property tax rate of 2.24% and landlord hazard insurance averaging $740 per $100K of coverage. At a median 1–4 unit acquisition price of $725,000 and Form 1007 market rent of $5,100/mo, a 75% LTV DSCR loan models at 0.96x DSCR ($5,327/mo total PITIA).

Effective Property Tax
2.24%
Est. $1,353/mo at median
Landlord Ins / $100K
$740/yr
Est. $447/mo DP-3
Median 1–4 Unit Price
$725,000
75% LTV: $543,750
Modeled 75% LTV DSCR
0.96x
$5,100 rent / $5,327 PITIA

Nassau County Escrow & Closing-Cost Underwriting Rules

1. Post-Acquisition Tax Reassessment

Statutory county assessor periodic revaluation; underwriters use post-acquisition projected tax bill (typically 85%–100% of purchase price × county millage rate).

2. Windstorm, Flood & Hazard Tier

Long Island High-Tax Grievance Reduction + NY CEMA Eligible

3. Transfer & Mortgage Recording Taxes

NY Mortgage Recording Tax (1.80%–2.80% depending on county and loan size) — eligible for 40%–70% reduction via NY CEMA (Consolidation, Extension, and Modification Agreement) on refinances.

4. CEMA / Doc-Stamp Optimization Strategy

Request CEMA assignment from existing lender to save $8,000–$22,000+ in NY mortgage recording tax.

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Nassau County, NY DSCR Underwriting, Property Tax & Insurance Guide (2026) | Stephen R. Mannenbach | Stephen Mannenbach