910 E Boston Post Rd, #914, Mamaroneck, NY 10543 Property Records

Westchester County and Rye Town property record for 910 E Boston Post Rd, #914, Mamaroneck, NY 10543

Property Summary

Property Type	Office Building
Details	4,513 sqft · built 1968
Lot Size	0.178 acres (7,733 sqft)
Owner	2 Company Names on Record
Last Sale	$550,000 (Oct 1997)
Tax Bill	$26,401 (2026)
Flood Zone	Zone X (minimal risk)
APN	`554803 154.43-2-13`

Property Details

APN / Parcel Number

Primary APN	`554803 154.43-2-13`
Alternative APNs	`480315404300020130000000` `00006597000`

Interior

Units	3 Units
Stories	2 Stories
Building Area	4,513 sqft Gross Area
Basement Area	2,489 sqft
Unfinished Basement	2,489 sqft

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1984
Lot Area	7,733 sqft (0.178 acres)
Lot Width	80 ft Width
Porch	Slab
Porch Area	520 sqft
Patio Area	76 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	00006597000
Street Address	910 E BOSTON POST RD, 914
City	MAMARONECK
State	NY
Zip	10543-4153
Property Category	Commercial
Property Type	Commercial > Office > Office Building
Local Zoning Code	C-1 COMM
Legal Subdivision	MAP SECTION B HIGHLAND TERRACE
Legal Block	2
Legal Lot Number	13.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	RYE
Census Block Group	3
Census Block	3007
Census Tract	7401

Owner

Source: Westchester County and Rye 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	2 Company Names on Record
Mailing Address	225 ORIENTA AVE, MAMARONECK, NY 10543-3935
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 7, 1997 · Amount on Record
Deed Sale	Oct 7, 1997 · Amount on Record
Deed Book / Page	11831 / 317
Record Updated	Oct 29, 2026

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
2026	$26,401.00 (+47.38%)
2025	$17,914.00	$1,001,900 (-) Land $380,400 Building $621,500	$1,001,900 (-) Land $380,400 Building $621,500
2024		$1,001,900 (-) Land $380,400 Building $621,500	$1,001,900 (-) Land $380,400 Building $621,500
2023		$1,001,900 Land $380,400 Building $621,500	$1,001,900 Land $380,400 Building $621,500

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
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 17 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	17 in force
Nearby Flood Claims	41 (1978–2023)
Claims Outside the SFHA	30 of 41
Most Recent Claim	Sep 2023 · Severe Storm And Flooding
Claims by Event	Remnants Of Hurricane Ida, Sep 2021 · 5 claims Hurricane Irene, Aug 2011 · 5 claims Severe Storms And Inland And Coastal Flooding, Apr 2007 · 5 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 499 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