218 Warren Ave, Mamaroneck, NY 10543 Property Records

Westchester County and Mamaroneck Town property record for 218 Warren Ave, Mamaroneck, NY 10543

Property Summary

Property Type	Triplex
Details	5 bd · 3 ba · 1,820 sqft · built 1956
Lot Size	0.18 acres (7,841 sqft)
Owner	2 Individual Names on File
Tax Bill	$16,561 (2026)
Deeds & Mortgages	Feb 2023 Sale
Flood Zone	Zone X (minimal risk)
APN	`553203 8-10-1`

Property Details

APN / Parcel Number

Primary APN	`553203 8-10-1`
Alternative APNs	`320300801000010000000000` `525600`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Stories	1 Story
Building Area	1,820 sqft Total Area
1st Floor Area	1,040 sqft
Upper Floors Area	780 sqft
Basement Area	600 sqft
Finished Basement	600 sqft
Unfinished Basement	600 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	Cape Cod
Exterior Material	Composition/Composite
Lot Area	7,841 sqft (0.18 acres)
Lot Dimensions	100 ft deep x 78 ft wide
Patio Area	492 sqft

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	525600
Street Address	218 WARREN AVE
City	MAMARONECK
State	NY
Zip	10543-1328
Property Category	Residential
Property Type	Residential > Multi-Unit > Triplex
Local Zoning Code	R-5
Legal Block	1
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MAMARONECK
Census Block Group	3
Census Block	3000
Census Tract	7300

Owner

218 Warren Ave, a triplex, is owned by two individuals who acquired it in November 2022.

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

Owner of Record	2 Individual Names on File
Mailing Address	19 MAPLEMOOR LN, WHITE PLAINS, NY 10605-4716
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 Transfer Date	Nov 16, 2022
Transfer Doc	0000003370
Record Updated	Oct 29, 2026

February 2023: Deed, Transfer

Document Type	Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Feb 15, 2023
Property Address	218 WARREN AVE, MAMARONECK, NY 10543-1328
Document Number	0623193370
Map Reference	MAP 1482
Instrument Date	Nov 16, 2022
Instrument	623193370
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Irrevocable Trust
Address	19 MAPLEMOOR LN, WHITE PLAINS, NY 10605-4716

Tax Assessment & Valuation

The 2026 property tax bill for 218 Warren Ave was $16,561, up 40.5% 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	$16,561.00 (+40.48%)
2025	$11,789.00	$752,000 (+4.01%) Land $191,500 Building $560,500	$752,000 (+4.01%) Land $191,500 Building $560,500
2024		$723,000 (+4.93%) Land $191,500 Building $531,500	$723,000 (+4.93%) Land $191,500 Building $531,500
2023		$689,000 Land $191,500 Building $497,500	$689,000 Land $191,500 Building $497,500

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

Flood

FEMA maps place 218 Warren Ave 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 31 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	31 in force
Nearby Flood Claims	28 (2011–2024)
Most Recent Claim	Mar 2024 · river or lake flooding
Claims by Event	Severe Storm And Flooding, Sep 2023 · 6 claims Remnants Of Hurricane Ida, Sep 2021 · 12 claims Hurricane Henri, Aug 2021 · 4 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 218 Warren Ave 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 458 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber	980 / 880
T-Mobile Fixed Wireless	100 / 20