20 Stoneyside Dr, Larchmont, NY 10538 Property Records

Westchester County and Mamaroneck Town property record for 20 Stoneyside Dr, Larchmont, NY 10538

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,221 sqft · built 1924
Lot Size	0.2 acres (8,712 sqft)
Owner	2 Individual Names on File
Last Sale	$980,000 (Mar 2026)
Tax Bill	$30,778 (2026)
Deeds & Mortgages	Mar 2026 Sale & Mortgage Apr 2018 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`553289 2-12-284`

Property Details

APN / Parcel Number

Primary APN	`553289 2-12-284`
Alternative APNs	`328900201202840000000000` `155600`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Stories	2 Stories
Building Area	2,221 sqft Living Area
1st Floor Area	1,284 sqft
2nd Floor Area	762 sqft
Upper Floors Area	406 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1924
Effective Year Built	Effective 1924
Architectural Style	Traditional
Exterior Material	Stucco
Lot Area	8,712 sqft (0.2 acres)
Lot Dimensions	125 ft deep x 89 ft wide
Garage Type	Attached
Garage Area	198 sqft
Porch	Patio
Porch Area	126 sqft
Patio Area	190 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	155600
Street Address	20 STONEYSIDE DR
City	LARCHMONT
State	NY
Zip	10538-1418
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-10
Legal Block	284
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MAMARONECK
Census Block Group	3
Census Block	3031
Census Tract	6900

Owner

20 Stoneyside Dr is owned and occupied by two individuals who bought it in March 2026.

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

Owner of Record	2 Individual Names on File
Mailing Address	20 STONEYSIDE DR, LARCHMONT, NY 10538-1418
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Husband and Wife

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

Date	Document
Mar 9, 2026	Deed, Transfer · Loan Assumption CITIBANK NA
Apr 20, 2018	Deed of Trust, Mortgage · Conventional Mortgage CITIBANK NA
Mar 26, 2018	Loan Modification, Mortgage · Conventional Mortgage CITIBANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 9, 2026 · Amount on File
Deed Sale	Mar 9, 2026 · Amount on File
Deed Document Number	20263528
Record Updated	Oct 29, 2026

March 2026: Deed, Transfer

Document Type	Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Mar 9, 2026
Property Address	20 STONEYSIDE DR, LARCHMONT, NY 10538-1418
Document Number	0660153528
Map Reference	MAP 1949
Instrument Date	Feb 27, 2026
Instrument	660153528
Transaction Type	Transfer
Record Updated	Apr 8, 2026
Title Company	THOROUGHBRED TITLE SERVICES

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,920.00
Amount Accuracy	Full Amount Stated

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 STONEYSIDE DR, LARCHMONT, NY 10538-1418

Mortgage

Document Number	0660623450
Date	Mar 9, 2026
Instrument	660623450

Lender

Name	CITIBANK NA
Type	Bank
Address	TRENTON, NJ 08628

Agreement

Type	Loan Assumption
Amount	Amount on Record

April 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	20 STONEYSIDE DR, LARCHMONT, NY 10538-1418
Transaction Type	Mortgage
Record Updated	Feb 7, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0581003524
Date	Apr 20, 2018
Instrument	581003524

Lender

Name	CITIBANK NA
Type	Bank
Address	O FALLON, MO 63368

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 1, 2048

March 2018: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	WESTCHESTER NY
Property Address	20 STONEYSIDE DR, LARCHMONT, NY 10538-1418
Document Number	0581003526
Instrument Date	Mar 26, 2018
Transaction Type	Mortgage
Record Updated	Jan 12, 2019
Title Company	TITLEVEST AGENCY INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20 STONEYSIDE DR LARCHMONT NY 105381418, LARCHMONT, NY 10538-1418

Mortgage

Document Number	0581003526
Date	Apr 20, 2018
Book Page	058100/003526

Lender

Name	CITIBANK
Type	Bank
Address	O'FALLON, MO 63368-2240

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 19, 2048

Interest

Rate Type	Fixed Rate
Rate	4.25%

Tax Assessment & Valuation

The 2026 property tax bill for 20 Stoneyside Dr was $30,778 with a homeowner's exemption.

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

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
County Subdivision	Mamaroneck Town
Unified School District	Mamaroneck Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$30,778.00 Homeowner's exemption
2025		$1,518,000 (+2.02%) Land $396,000 Building $1,122,000	$1,518,000 (+2.02%) Land $396,000 Building $1,122,000
2024	Homeowner's exemption	$1,488,000 (+6.97%) Land $396,000 Building $1,092,000	$1,488,000 (+6.97%) Land $396,000 Building $1,092,000
2023		$1,391,000 Land $396,000 Building $995,000	$1,391,000 Land $396,000 Building $995,000

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

Flood

FEMA maps place 20 Stoneyside Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 95 policies
Nearby Flood Policies	95 in force
Nearby Flood Claims	214 (1978–2023)
Claims Outside the SFHA	56 of 214
Most Recent Claim	Oct 2023 · rainfall accumulation
Claims by Event	Severe Storm And Flooding, Sep 2023 · 9 claims Remnants Of Hurricane Ida, Sep 2021 · 58 claims Severe Storms And Inland And Coastal Flooding, Apr 2007 · 30 claims

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 20 Stoneyside Dr is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 98% of the US · lower than 97.9% of New York
Wildfire Likelihood	Under 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	WESTCHESTER JOINT WATER WORKS serves 59,629 people · EPA ID NY5903435
Water Source	Surface water
Last State Inspection	Mar 2025
Lead	3 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	Failure to filter currently in violation since Jun 1993 Haloacetic acids resolved · Jul 2019
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 390 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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