924 Harmon Dr, Mamaroneck, NY 10543 Property Records

Westchester County and Mamaroneck Town property record for 924 Harmon Dr, Mamaroneck, NY 10543

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,135 sqft · built 1978
Lot Size	0.15 acres (6,534 sqft)
Owner	2 Individual Names on File
Last Sale	$520,500 (Dec 2005)
Tax Bill	$17,883 (2026)
Deeds & Mortgages	Jan 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`553203 8-27-11`

Property Details

APN / Parcel Number

Primary APN	`553203 8-27-11`
Alternative APNs	`320300802700110000000000` `577200`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	2,135 sqft Living Area
1st Floor Area	1,120 sqft
2nd Floor Area	1,015 sqft

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Lot Area	6,534 sqft (0.15 acres)
Lot Dimensions	126 ft deep x 50 ft wide
Garage Type	Basement

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	577200
Street Address	924 HARMON DR
City	MAMARONECK
State	NY
Zip	10543
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-5
Legal Subdivision	MAP OF LARCHMONT GARDENS
Legal Block	11
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MAMARONECK
Census Block Group	1
Census Block	1028
Census Tract	7300

Owner

924 Harmon Dr is owned and occupied by two individuals who bought it in December 2005.

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

Owner of Record	2 Individual Names on File
Mailing Address	924 HARMON DR, LARCHMONT, NY 10538-1800
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	Dec 27, 2005 · Amount on File
Deed Sale	Dec 27, 2005 · Amount on File
Prior Sale	Jan 21, 1998 · Amount on File
Deed Document Number	2005453480304
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	924 HARMON DR, MAMARONECK, NY 10543
Transaction Type	Mortgage
Record Updated	Mar 29, 2021
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0610273245
Date	Jan 27, 2021
Instrument	610273245

Lender

Name	NATIONSTAR MORTGAGE LLC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jan 1, 2051

Tax Assessment & Valuation

The 2026 property tax bill for 924 Harmon Dr was $17,883 with exemptions applied, up 31.5% from the year before.

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
Municipality	Mamaroneck Village
Unified School District	Mamaroneck Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$17,883.00 (+31.49%) Homeowner's exemption Veteran's exemption
2025	$13,600.00	$912,000 (+3.99%) Land $140,000 Building $772,000	$912,000 (+3.99%) Land $140,000 Building $772,000
2024	Homeowner's exemption Veteran's exemption	$877,000 (+5.03%) Land $140,000 Building $737,000	$877,000 (+5.03%) Land $140,000 Building $737,000
2023		$835,000 Land $140,000 Building $695,000	$835,000 Land $140,000 Building $695,000

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

Flood

FEMA maps place 924 Harmon 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 148 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	148 in force
Nearby Flood Claims	593 (1978–2024)
Claims Outside the SFHA	30 of 593
Most Recent Claim	Apr 2024 · tidal / storm surge
Claims by Event	Remnants Of Hurricane Ida, Sep 2021 · 110 claims Hurricane Irene, Aug 2011 · 68 claims Severe Storms And Inland And Coastal Flooding, Apr 2007 · 109 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

The area around 924 Harmon Dr has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire Risk	Not rated no burnable land within ember reach

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