558 Millwood Rd, Mount Kisco, NY 10549 Property Records

Westchester County and New Castle Town property record for 558 Millwood Rd, Mount Kisco, NY 10549

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 4,222 sqft · built 1984
Lot Size	1.59 acres (69,260 sqft)
Owner	2 Individual Names on File
Last Sale	$1,300,000 (Mar 2015)
Tax Bill	$43,975 (2026)
Deeds & Mortgages	Jan 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`553600 81.8-2-4`

Property Details

APN / Parcel Number

Primary APN	`553600 81.8-2-4`
Alternative APNs	`360008100800020040000000` `2569010`

Interior

Bedrooms	4 Beds
Full Baths	4 Baths
Stories	2 Stories
Building Area	4,222 sqft Living Area
1st Floor Area	2,560 sqft
2nd Floor Area	1,662 sqft
Basement Area	975 sqft
Finished Basement	975 sqft
Unfinished Basement	1,132 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	Contemporary
Exterior Material	Wood
Lot Area	69,260 sqft (1.59 acres)
Garage Type	Mixed
Garage Area	1,027 sqft
Parking Spaces	4 Parking Spaces
Pool Area	625 sqft
Porch	Slab
Porch Area	1,100 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water
Heating Fuel	Oil
Water Source	Commercial

Location & Zoning

Account Number	2569010
Street Address	558 MILLWOOD RD
City	MOUNT KISCO
State	NY
Zip	10549-3701
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-1A
Legal Block	2
Legal Lot Number	4.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	NEW CASTLE
Census Block Group	3
Census Block	3000
Census Tract	13104

Owner

558 Millwood Rd is owned and occupied by two individuals who bought it in March 2015.

Source: Westchester County and New Castle Town records, as of October 21, 2026

Owner of Record	2 Individual Names on File
Mailing Address	558 MILLWOOD RD, MOUNT KISCO, NY 10549-3701
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
Last Sale	Mar 5, 2015 · Amount on File
Deed Sale	Mar 5, 2015 · Amount on File
Deed Document Number	2015550433605
Record Updated	Oct 29, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	558 MILLWOOD RD, MOUNT KISCO, NY 10549-3701
Transaction Type	Mortgage
Record Updated	Jan 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	558 MILLWOOD RD, MOUNT KISCO, NY 10549-3701

Mortgage

Document Number	0620113544
Date	Jan 11, 2022
Instrument	620113544

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	179 Months
Due	Dec 1, 2036

Tax Assessment & Valuation

The 2026 property tax bill for 558 Millwood Rd was $43,975, up 53.4% from the year before.

Source: Westchester County and New Castle Town assessment roll, as of May 14, 2026

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
County Subdivision	New Castle Town
Unified School District	Chappaqua Central School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$43,975.00 (+53.4%)
2025	$28,666.00	$260,000 (-) Land $40,000 Building $220,000	$1,863,799 (+0.86%) Land $286,738 Building $1,577,061
2024		$260,000 (-) Land $40,000 Building $220,000	$1,847,904 (+5.19%) Land $284,293 Building $1,563,611
2023		$260,000 Land $40,000 Building $220,000	$1,756,756 Land $270,270 Building $1,486,486

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

FEMA maps place 558 Millwood Rd in Zone X, an area of minimal flood risk, though there have been 11 flood claims nearby since 1979.

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
Flood Insurance Cost	Premium on File median of 21 policies
Nearby Flood Policies	21 in force
Nearby Flood Claims	11 (1979–2021)
Claims Outside the SFHA	6 of 11
Most Recent Claim	Sep 2021 · Remnants Of Hurricane Ida

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

Wildfire risk around 558 Millwood Rd is low, with a 0.02% annual chance of 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	0.02% 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	NEW CASTLE/STANWOOD W.D. serves 17,116 people · EPA ID NY5903442
Water Source	Purchased surface water from several systems
Last State Inspection	Nov 2025
Lead	Under 1 ppb (2026) 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 78 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber	980 / 880
Optimum Cable	940 / 35