258 Mill River Rd, Chappaqua, NY 10514 Property Records

Westchester County and Mount Pleasant Town property record for 258 Mill River Rd, Chappaqua, NY 10514

Property Summary

Property Type	Single Family Home
Details	4 bd · 6 ba · 3,964 sqft · built 2017
Lot Size	2.93 acres (127,631 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,230,000 (Oct 2020)
Tax Bill	$33,583 (2026)
Deeds & Mortgages	Oct 2020 Sale Aug 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`553489 99.10-2-19.1`

Property Details

APN / Parcel Number

Primary APN	`553489 99.10-2-19.1`
Alternative APN	`04973000`

Interior

Bedrooms	4 Beds
Full Baths	6 Baths
Stories	2 Stories
Building Area	3,964 sqft Living Area
1st Floor Area	2,035 sqft
2nd Floor Area	1,929 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2017
Effective Year Built	Effective 2017
Architectural Style	Colonial
Exterior Material	Wood
Lot Area	127,631 sqft (2.93 acres)
Porch	Slab

Utilities, Heating & Cooling

Cooling System	Central
Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	04973000
Street Address	258 MILL RIVER RD
City	CHAPPAQUA
State	NY
Zip	10514-3223
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	02 - SINGL
Legal Subdivision	PREPARED FOR MICHAEL GYORY
Legal Block	2
Legal Lot Number	19.001
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MOUNT PLEASANT
Census Block Group	5
Census Block	5003
Census Tract	11800

Owner

Source: Westchester County and Mount Pleasant Town 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	2 Individual Names on Record
Mailing Address	258 MILL RIVER RD, CHAPPAQUA, NY 10514-3223
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 13, 2020	Bargain and Sale Deed, Transfer THOROUGHBRED TITLE SVCS LLC
Aug 16, 2018	Deed, Subdivision Related Transfer · Conventional Mortgage MEADOWBROOK FINCL MTG BANKERS CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 13, 2020 · Amount on Record
Deed Sale	Oct 13, 2020 · Amount on Record
Prior Sale	Aug 16, 2018 · Amount on Record
Deed Document Number	2020602653674
Record Updated	Oct 29, 2026

October 2020: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Oct 13, 2020
Property Address	258 MILL RIVER RD, CHAPPAQUA, NY 10514-3223
Document Number	0602653674
Map Reference	MAP 27497
Instrument Date	Sep 5, 2020
Instrument	602653674
Transaction Type	Transfer
Record Updated	Nov 18, 2022
Title Company	THOROUGHBRED TITLE SVCS LLC

Transaction

Amount	Amount Recorded
Tax	$4,920.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	258 MILL RIVER RD, 258, CHAPPAQUA, NY 10514-3223

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2 CANFIELD AVE APT 602, 602, WHITE PLAINS, NY 10601-2051

August 2018: Deed, Subdivision Related Transfer

Document Type	Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Aug 16, 2018
Property Address	258 MILL RIVER RD, CHAPPAQUA, NY 10514-3223
Document Number	0582153182
Map Reference	MAP27479
Instrument Date	Aug 3, 2018
Instrument	582153182
Transaction Type	Subdivision Related Transfer
Record Updated	May 6, 2022
Title Company	CORNERSTONE LAND ABSTRACT

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$4,880.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	PO BOX 574, CHESTER, NY 10918-0574

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Living Trust
Address	2226 BEECH ST, WANTAGH, NY 11793-4257

Mortgage

Document Number	0582253355
Date	Aug 16, 2018
Instrument	582253355

Lender

Name	MEADOWBROOK FINCL MTG BANKERS CORP
Type	Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2048

Tax Assessment & Valuation

Source: Westchester County and Mount Pleasant Town assessment roll, as of May 14, 2026

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
County Subdivision	Mount Pleasant Town
Unified School District	Pleasantville Union Free School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$33,583.00
2025		$14,000 (-13.04%) Land $2,800 Building $11,200	$1,386,139 (-7.88%) Land $277,228 Building $1,108,911
2024		$16,100 (-) Land $2,800 Building $13,300	$1,504,673 (+5.61%) Land $261,682 Building $1,242,991
2023		$16,100 Land $2,800 Building $13,300	$1,424,779 Land $247,788 Building $1,176,991

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	6 in force

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.

Internet Providers

Source: FCC Broadband Data Collection, based on 170 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile Fixed Wireless	100 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

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