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FIPS: 36119•Rank #19 National•Rank #4 in NY
Westchester County, NY
Forward-Looking Municipal Debt, Assessment Lag & Carrying Cost Audit
Elevated Tax Drift Risk
96% Conf.
Tax Drift Index
64.7/ 100
Elevated Drift Risk
Westchester County Executive Risk Briefing
MSRB EMMA Disclosures & US Census BureauAugust 2026
Westchester County carries a Elevated Tax Drift Score (64.7/100) based on $11,800 in overlapping municipal debt per capita and a +21% CAD assessment lag spread. Projected 3-year millage escalation of +0.26% (+26 bps) indicates an estimated +$4,505/yr escrow adjustment on median-priced properties.
Median Home: $710,000Median Income: $112,000Effective Tax: 2.5%
Municipal Debt Per Capita
$11,800
10.5% of Median Income
CAD Valuation Lag
+21.0%
Assessed Value trailing Market HPI
3-Yr Millage Escalation
+26 bps
Effective Rate: 2.5% → 2.7%
Projected Annual Escrow Shock
+$4,505/yr
Estimated on median assessed home
Interactive Property Tax & Escrow Shock Simulator
Model forward-looking ad valorem tax obligations and monthly escrow adjustments for a specific parcel in Westchester County, NY.
$710,000
$0
Current Annual Tax
$17,395
@ 2.45% eff. rate
Year 3 Projected Tax
$21,900
@ 2.71% eff. rate
Net Escrow Increase
+$4,505/yr
+$375/mo mortgage escrow
Projected Shock Attribution Breakdown+26 bps rate shift
1. Muni Bond Debt Service
+8 bps
I&S bond amortization
2. Operating Deficit Drift
+18 bps
M&O budget expansion
3. CAD Valuation Catch-up
+$2,374/yr
+$96,915 assessed base
Overlapping Taxing Jurisdictions & Debt Obligations
Breakdown of autonomous debt issuers assessing ad valorem property taxes on parcels within Westchester County.
| Entity Name | Entity Type | Outstanding Bond Debt | Debt / Student or Cap | Adopted Millage |
|---|---|---|---|---|
| Yonkers Public Schools | ISD | $1.1B | $41,000 | 1.250% |
5-Year Historical Drift Score & Effective Rate Trajectory
2022
57
2.3% eff.
2023
60
2.4% eff.
2024
61
2.4% eff.
2025
63
2.4% eff.
2026
64.7
2.5% eff.
Statutory Constraint & Legislative Policy
2% NY State tax levy cap frequently overridden by 60% supermajority school budget votes.
Data Provenance & Audit Citations