931 E Boston Post Rd, Mamaroneck, NY 10543 Property Records

Westchester County and Rye Town property record for 931 E Boston Post Rd, Mamaroneck, NY 10543

Property Summary

Property Type	Mixed Use Store/Office
Details	6,313 sqft · built 1957
Lot Size	0.176 acres (7,667 sqft)
Owner	Company Name on File
Last Sale	$860,000 (Dec 2018)
Tax Bill	$472 (2025)
Deeds & Mortgages	Dec 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`554803 154.44-1-4`

Property Details

APN / Parcel Number

Primary APN	`554803 154.44-1-4`
Alternative APNs	`480315404400010040000000` `00006901000`

Interior

Units	3 Units
Stories	1 Story
Building Area	6,313 sqft Gross Area
Basement Area	6,192 sqft
Unfinished Basement	6,192 sqft

Exterior

Year Built	Built 1957
Effective Year Built	Effective 1981
Lot Area	7,667 sqft (0.176 acres)
Loading Dock	Loading Dock

Utilities, Heating & Cooling

Cooling System	Central
Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	00006901000
Street Address	931 E BOSTON POST RD
City	MAMARONECK
State	NY
Zip	10543-4152
Property Category	Commercial
Property Type	Commercial > Retail > Mixed Use Store/Office
Local Zoning Code	C-1 COMM
Legal Subdivision	LOTS BELONGING TO THEO VAN AMRINGE
Legal Block	1
Legal Lot Number	4.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	RYE
Census Block Group	3
Census Block	3014
Census Tract	7402

Owner

Source: Westchester County and Rye Town assessment roll, as of May 14, 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 File
Mailing Address	931 E BOSTON POST RD, MAMARONECK, NY 10543-4152
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Dec 21, 2018 · Amount on Record
Deed Sale	Dec 21, 2018 · Amount on Record
Deed Document Number	2018583373325
Prior Transfer Date	Mar 26, 2007
Prior Transfer Doc	0470930480
Record Updated	Jun 8, 2026

December 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Dec 21, 2018
Property Address	931 E BOSTON POST RD, MAMARONECK, NY 10543-4152
Document Number	0583373325
Book / Page	058337 / 003325
Instrument Date	Dec 4, 2018
Transaction Type	Transfer
Record Updated	Feb 4, 2019
Title Company	ASK ABSTRACT INC

Transaction

Amount	Amount Recorded
Tax	$3,440.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	25 OAK ST WHITE PLAINS NY 106032620, WHITE PLAINS, NY 10603-2620

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
County Subdivision	Rye Town
Municipality	Mamaroneck Village
Unified School District	Rye Neck Union Free School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$472.00	$758,600 (-) Land $380,400 Building $378,200	$758,600 (-) Land $380,400 Building $378,200
2024	Additional exemption filed	$758,600 (-) Land $380,400 Building $378,200	$758,600 (-) Land $380,400 Building $378,200
2023		$758,600 Land $380,400 Building $378,200	$758,600 Land $380,400 Building $378,200

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
Flood Insurance Cost	Premium on Record median of 49 individual policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	88 units insured incl. 39 condo units
Nearby Flood Claims	219 (1978–2023)
Claims Outside the SFHA	154 of 219
Most Recent Claim	Sep 2023 · Severe Storm And Flooding
Claims by Event	Hurricane Sandy, Oct 2012 · 36 claims Hurricane Irene, Aug 2011 · 27 claims Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 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

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 at the parcel

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 499 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880