159 Washington St, Mount Vernon, NY 10550 Property Records

Westchester County and Mount Vernon City property record for 159 Washington St, Mount Vernon, NY 10550

Property Summary

Property Type	Duplex
Lot Size	0.09 acres (3,920 sqft)
Owner	2 Individual Names on File
Tax Bill	$11,196 (2026)
Flood Zone	Zone X (minimal risk)
APN	`550800 165.71-3161-10`

Property Details

APN / Parcel Number

Primary APN	`550800 165.71-3161-10`
Alternative APNs	`080016507131610100000000` `093970`

Exterior

Architectural Style	Duplex Single
Lot Area	3,920 sqft (0.09 acres)

Location & Zoning

Account Number	093970
Street Address	159 WASHINGTON ST
City	MOUNT VERNON
State	NY
Zip	10550-3541
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Block	3161
Legal Lot Number	10.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MOUNT VERNON
Census Block Group	1
Census Block	1005
Census Tract	3200

Owner

159 Washington St, a duplex, is owned and occupied by two individuals.

Source: Westchester County and Mount Vernon City records, as of October 21, 2026

Owner of Record	2 Individual Names on File
Mailing Address	159 WASHINGTON ST, MOUNT VERNON, NY 10550-3541
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

The 2026 property tax bill for 159 Washington St was $11,196 with a homeowner's exemption, up 754.7% from the year before.

Source: Westchester County and Mount Vernon City assessment roll, as of May 14, 2026

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
Municipality	Mount Vernon City
Unified School District	Mount Vernon School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$11,196.00 (+754.66%) Homeowner's exemption
2025	$1,310.00	$7,300 (-) Land $2,400 Building $4,900	$405,555 (+6.67%) Land $133,333 Building $272,222
2024	Homeowner's exemption	$7,300 (-) Land $2,400 Building $4,900	$380,208 (-10.94%) Land $125,000 Building $255,208
2023		$7,300 Land $2,400 Building $4,900	$426,901 Land $140,351 Building $286,550

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 159 Washington St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 159 Washington St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	MOUNT VERNON WATER DEPARTMENT serves 73,893 people · EPA ID NY5903441
Water Source	Purchased surface water from several systems
Last State Inspection	Jul 2025
Lead	7 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 656 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20