21 Prospect St, Mount Kisco, NY 10549 Property Records

Westchester County and Mount Kisco Village property record for 21 Prospect St, Mount Kisco, NY 10549

Property Summary

Property Type	Single Family Home
Lot Size	0.894 acres (38,949 sqft)
Owner	Individual Name on Record
Last Sale	$780,000 (Aug 2020)
Tax Bill	$19,236 (2026)
Deeds & Mortgages	Aug 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`555601 69.72-2-7`

Property Details

APN / Parcel Number

Primary APN	`555601 69.72-2-7`
Alternative APNs	`55560006907200020070000000` `171400`

Exterior

Lot Area	38,949 sqft (0.894 acres)
Lot Dimensions	335 ft deep x 113 ft wide

Utilities, Heating & Cooling

Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	171400
Street Address	21 PROSPECT ST
City	MOUNT KISCO
State	NY
Zip	10549-1309
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RS-12
Legal Block	2
Legal Lot Number	7.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MOUNT KISCO
Census Block Group	3
Census Block	3013
Census Tract	13000

Owner

Source: Westchester County and Mount Kisco Village records, as of October 21, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	21 PROSPECT ST, MOUNT KISCO, NY 10549-1309
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 13, 2020 · Amount on Record
Deed Sale	Aug 13, 2020 · Amount on Record
Deed Document Number	2020602133520
Record Updated	Oct 29, 2026

August 2020: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Aug 13, 2020
Property Address	21 PROSPECT ST, MOUNT KISCO, NY 10549-1309
Document Number	0602133520
Map Reference	VOL 23 PG 58
Instrument Date	Jul 2, 2020
Instrument	602133520
Transaction Type	Transfer
Record Updated	May 6, 2022
Title Company	STATEWIDE ABSTRACT CORP

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,120.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	21 PROSPECT ST, 21, MOUNT KISCO, NY 10549-1309

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	155 BORDEN AVE APT 32E, 32E, LONG ISLAND CITY, NY 11101-6244

Mortgage

Document Number	0602253545
Date	Aug 13, 2020
Instrument	602253545

Lender

Name	CROSSCOUNTRY MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2050

Tax Assessment & Valuation

Source: Westchester County and Mount Kisco Village assessment roll, as of May 14, 2026

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
County Subdivision / Municipality	Mount Kisco Village
Unified School District	Bedford Central School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$19,236.00 (+848.52%)
2025	$2,028.00	$110,000 (-) Land $22,100 Building $87,900	$790,798 (-53.41%) Land $158,879 Building $631,919
2024		$110,000 (-) Land $22,100 Building $87,900	$1,697,530 (+10.49%) Land $341,049 Building $1,356,481
2023		$110,000 Land $22,100 Building $87,900	$1,536,313 Land $308,659 Building $1,227,654

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force
Nearby Flood Claims	1 (2011)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Mar 2011 · river or lake flooding

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.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · above 54% of New York
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation

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 KISCO WATER DEPARTMENT serves 11,187 people · EPA ID NY5903437
Water Source	Surface water
Last State Inspection	Aug 2025
Lead	1 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Treatment failure resolved · Nov 2024
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 94 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
Optimum Cable	940 / 35

May also be available: T-Mobile.

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