124 E Prospect Ave, Mamaroneck, NY 10543 Property Records

Westchester County and Mamaroneck Town property record for 124 E Prospect Ave, Mamaroneck, NY 10543

Property Summary

Property Type	Apartments (5+ Units)
Details	5.5 ba · 3,110 sqft · built 1920
Lot Size	0.07 acres (3,049 sqft)
Owner	Company Name on Record
Last Sale	$800,000 (Feb 2020)
Tax Bill	$15,927 (2026)
Deeds & Mortgages	Feb 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`553203 9-6-106`

Property Details

APN / Parcel Number

Primary APN	`553203 9-6-106`
Alternative APNs	`320300900601060000000000` `625600`

Interior

Full Baths	5.5 Baths
Half Baths	1 Half Bath
Units	6 Units
Stories	3 Stories
Building Area	3,110 sqft Gross Area
1st Floor Area	1,232 sqft
Basement Area	1,210 sqft
Unfinished Basement	1,210 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1980
Exterior Material	Stucco
Lot Area	3,049 sqft (0.07 acres)
Lot Dimensions	66 ft deep x 47 ft wide
Porch	Porch
Porch Area	120 sqft

Utilities, Heating & Cooling

Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	625600
Street Address	124 E PROSPECT AVE
City	MAMARONECK
State	NY
Zip	10543-3770
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	C2
Legal Subdivision	SUBDIVISION OF THE FACTORY PROPERTY
Legal Block	106
Jurisdiction	WESTCHESTER NY
Township / Civil Division	MAMARONECK
Census Block Group	1
Census Block	1005
Census Tract	7200

Owner

Source: Westchester County and Mamaroneck 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	Company Name on Record
Mailing Address	3263 110TH ST, EAST ELMHURST, NY 11369-2525
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 10, 2020 · Amount on Record
Deed Sale	Feb 10, 2020 · Amount on Record
Prior Sale	Nov 9, 1998 · Amount on Record
Deed Document Number	2020600103256
Record Updated	Oct 29, 2026

February 2020: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Feb 10, 2020
Property Address	124 E PROSPECT AVE, MAMARONECK, NY 10543-3770
Document Number	0600103256
Map Reference	VOL 6 PG 46
Instrument Date	Jan 17, 2020
Instrument	600103256
Transaction Type	Transfer
Record Updated	May 6, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$3,200.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	822 STUART AVE, 822, MAMARONECK, NY 10543-4121

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	32 63 110TH STREET, ELMHURST, NY 11369

Mortgage

Document Number	0600223418
Date	Feb 10, 2020
Instrument	600223418

Lender

Name	MAHOPAC BANK
Type	Bank

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Tax Assessment & Valuation

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	$15,927.00 (+39.54%)
2025	$11,414.00	$700,000 (-) Land $290,000 Building $410,000	$700,000 (-) Land $290,000 Building $410,000
2024		$700,000 (-) Land $290,000 Building $410,000	$700,000 (-) Land $290,000 Building $410,000
2023		$700,000 Land $290,000 Building $410,000	$700,000 Land $290,000 Building $410,000

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

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
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	123 units insured incl. 114 condo units
Nearby Flood Claims	16 (1979–2023)
Claims Outside the SFHA	2 of 16
Most Recent Claim	Sep 2023 · Severe Storm And Flooding
Claims by Event	Remnants Of Hurricane Ida, Sep 2021 · 4 claims Hurricane Irene, Aug 2011 · 2 claims Severe Storms And Inland And Coastal Flooding, Apr 2007 · 2 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

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 334 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	980 / 880
T-Mobile Fixed Wireless	100 / 20