23 Prospect Ave, Ardsley, NY 10502 Property Records

Westchester County and Greenburgh Town property record for 23 Prospect Ave, Ardsley, NY 10502

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,700 sqft · built 1969
Lot Size	0.23 acres (10,019 sqft)
Owner	2 Individual Names on File
Last Sale	$455,000 (Mar 2002)
Tax Bill	$15,390 (2025)
Deeds & Mortgages	Oct 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`552601 6.80-74-9`

Property Details

APN / Parcel Number

Primary APN	`552601 6.80-74-9`
Alternative APNs	`55260118 09 1122 25` `6183330`

Interior

Full Baths	2 Baths
Stories	1 Story
Building Area	1,700 sqft Living Area
1st Floor Area	1,700 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1969
Effective Year Built	Effective 1969
Lot Area	10,019 sqft (0.23 acres)
Garage Type	Basement
Porch	Open Porch

Utilities, Heating & Cooling

Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	6183330
Street Address	23 PROSPECT AVE
City	ARDSLEY
State	NY
Zip	10502-2321
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Subdivision	MAP OF LOTS AT ARDSLEY HEIGHTS
Legal Block	74
Legal Lot Number	9.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	GREENBURGH
Census Block Group	3
Census Block	3024
Census Tract	10600

Owner

Source: Westchester County and Greenburgh Town records · APN 552601 6.80-74-9

Assessment roll updated May 14, 2026 · Last verified May 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	23 PROSPECT AVE, ARDSLEY, NY 10502-2321
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 05, 2002 · Amount on Record
Deed Sale	Mar 05, 2002 · Amount on Record
Deed Document Number	2002420520168
Record Updated	Jun 08, 2026

October 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	23 PROSPECT AVE, ARDSLEY, NY 10502-2321
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	MORTGAGE CONNECT LP

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0592823067
Date	Oct 09, 2019
Instrument	592823067

Lender

Name	CITIBANK NA
Type	Bank
Address	O FALLON, MO 63368

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Westchester County and Greenburgh Town records · Assessment roll updated May 14, 2026 · Last verified May 2026

Property Jurisdictions

Type	Name
State	New York
Municipality	Ardsley Village
County	Westchester County
County Subdivision	Greenburgh Town
Unified School District	Ardsley Union Free School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$15,390.00	$1,078,400 (+9%) Land $350,700 Building $727,700	$1,078,400 (+9%) Land $350,700 Building $727,700
2024		$989,400 (+10.21%) Land $350,700 Building $638,700	$989,400 (+10.21%) Land $350,700 Building $638,700
2023		$897,700 Land $310,400 Building $587,300	$897,700 Land $310,400 Building $587,300

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Westchester County (36119C), as of September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361190106003, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 15 policies
Nearby Flood Policies	15 in force
Nearby Flood Claims	225 (1978–2021)
Claims Outside the SFHA	46 of 225
Most Recent Claim	Sep 2021 · Remnants Of Hurricane Ida
Claims by Event	Hurricane Irene, Aug 2011 · 4 claims Hurricane Floyd Major Disaster Declarations, Sep 1999 · 2 claims Coastal Storms & Flooding, Apr 1984 · 34 claims

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 97.9% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300

May also be available: T-Mobile USA.

Based on FCC filings for 444 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system NY5903444, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	VEOLIA WATER NEW YORK, INC. RD-1 private · serves 146,732 people
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2025
Lead	12 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	2 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.