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

Westchester County and Rye Town property record for 178 E Boston Post Rd, Mamaroneck, NY 10543

Property Summary

Property Type	Mixed Use Commercial Office / Residential
Details	1,050 sqft · built 1960
Lot Size	0.037 acres (1,611 sqft)
Owner	Company Name on Record
Last Sale	$435,000 (May 2006)
Tax Bill	$11,758 (2026)
Deeds & Mortgages	Nov 2020 Sale
Flood Zone	Zone X (minimal risk)
APN	`554803 154.58-1-8`

Property Details

APN / Parcel Number

Primary APN	`554803 154.58-1-8`
Alternative APNs	`480315405800010080000000` `00006774000`

Interior

Stories	1 Story
Building Area	1,050 sqft Gross Area
Basement Area	1,050 sqft
Finished Basement	1,050 sqft
Unfinished Basement	1,050 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 2000
Lot Area	1,611 sqft (0.037 acres)
Lot Dimensions	87 ft deep x 21 ft wide
View / Lot	Waterfront / Beach
Patio Area	504 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	00006774000
Street Address	178 E BOSTON POST RD
City	MAMARONECK
State	NY
Zip	10543-3701
Property Category	Commercial
Property Type	Commercial > Office > Mixed Use Commercial Office / Residential
Local Zoning Code	C-1 COMM
Legal Block	1
Legal Lot Number	8.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	RYE
Census Block Group	1
Census Block	1004
Census Tract	7402

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	Company Name on Record
Mailing Address	178 E BOSTON POST RD, MAMARONECK, NY 10543-3701
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 5, 2006 · Amount on Record
Deed Sale	May 5, 2006 · Amount on Record
Deed Document Number	2006461100352
Record Updated	Oct 29, 2026

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Nov 12, 2020
Property Address	178 E BOSTON POST RD, MAMARONECK, NY 10543-3701
Document Number	0603073193
Book / Page	060307 / 003193
Instrument Date	Nov 4, 2020
Transaction Type	Transfer
Record Updated	Nov 25, 2020
Title Company	JUDICIAL TITLE INSURANCE COMPANY, JUDICIAL TITLE INS CO

Transaction

Amount	Amount Recorded
Tax	$1,840.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	6 BURTON RD LARCHMONT NY 105383302, LARCHMONT, NY 10538-3302

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	$11,758.00 (+47.38%)
2025	$7,978.00	$446,200 (-) Land $137,700 Building $308,500	$446,200 (-) Land $137,700 Building $308,500
2024		$446,200 (-) Land $137,700 Building $308,500	$446,200 (-) Land $137,700 Building $308,500
2023		$446,200 Land $137,700 Building $308,500	$446,200 Land $137,700 Building $308,500

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
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 35 policies
Community Rating System	Class 8 (10% premium discount)
Nearby Flood Policies	35 in force
Nearby Flood Claims	50 (1979–2024)
Claims Outside the SFHA	10 of 50
Most Recent Claim	Jan 2024 · other causes
Claims by Event	Hurricane Sandy, Oct 2012 · 14 claims Severe Storms And Inland And Coastal Flooding, Apr 2007 · 5 claims Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 9 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