535 Hill St, Mattituck, NY 11952 Property Records

Suffolk County and Southampton Town property record for 535 Hill St, Mattituck, NY 11952

Property Summary

Property Type	Boarding House, Apartment Hotel
Details	3,954 sqft · built 1985
Lot Size	1.13 acres (49,658 sqft)
Owner	2 Individual Names on File
Last Sale	$999,999 (Jan 2000)
Tax Bill	$4,080 (2023)
Flood Zone	Zone X (minimal risk)
APN	`0904-001.00-03.00-034.000`

Property Details

APN / Parcel Number

Primary APN	`0904-001.00-03.00-034.000`
Alternative APNs	`473605 001.000-0003-034.000` `360500100000030340000000` `47360029680`

Interior

Stories	2 Stories
Building Area	3,954 sqft Gross Area
Basement Area	399 sqft

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1985
Exterior Material	Shingles
Lot Area	49,658 sqft
View / Lot	Below Average
Patio Area	400 sqft
Tennis Court	Tennis Court

Utilities, Heating & Cooling

Heating Fuel	Gas
Water Source	Commercial

Location & Zoning

Street Address	535 HILL ST
City	MATTITUCK
State	NY
Zip	11952
Property Category	Commercial
Property Type	Commercial > Retail > Boarding House, Apartment Hotel
Local Zoning Code	VILLA
Legal Description	88 LD EQ + 1000
Legal Block	3
Legal Lot Number	34
Jurisdiction	SUFFOLK NY
Township / Civil Division	SOUTHAMPTON
Census Block Group	2
Census Block	2023
Census Tract	190801

Owner

535 Hill St, a commercial property, is owned by two individuals who acquired it in November 2012.

Source: Suffolk County and Southampton Town records, as of August 11, 2026

Owner of Record	2 Individual Names on File
Mailing Address	220 RIVERSIDE BLVD, 3, NEW YORK, NY 10069-1001
Owner Type	Individual
Vesting	Tenants in Common

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 Sale	Jan 28, 2000 · Amount on File
Deed Sale	Jan 28, 2000 · Amount on File
Prior Sale	May 8, 1998 · Amount on File
Deed Book / Page	12017 / 070
Last Transfer Date	Nov 27, 2012
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Suffolk County and Southampton Town assessment roll, as of August 11, 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Southampton Town
Municipality	Southampton Village
Unified School District	Southampton Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$1,134,000 Land $650,700 Building $483,300
2024			$1,955,173 (+13.79%) Land $1,121,897 Building $833,276
2023	$4,080.00	$1,134,000 Land $650,700 Building $483,300	$1,718,182 Land $985,909 Building $732,273
2020	$11,092.00

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

Flood

FEMA maps place 535 Hill St in Zone X, an area of minimal flood risk, though there have been 27 flood claims nearby since 2005.

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 File median of 271 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	271 in force
Nearby Flood Claims	27 (2005–2026)
Claims Outside the SFHA	10 of 27
Most Recent Claim	Aug 2026 · rainfall accumulation
Claims by Event	Severe Winter Storm And Snowstorm, Dec 2022 · 2 claims Hurricane Sandy, Oct 2012 · 9 claims Hurricane Irene, Aug 2011 · 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

Wildfire risk around 535 Hill St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 96% of the US · lower than 95% of New York
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

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	SUFFOLK COUNTY WATER AUTHORITY serves 1,100,000 people · EPA ID NY5110526
Water Source	Groundwater
Last State Inspection	Jan 2024
Lead	1 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	Asbestos resolved · Jul 2020
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 230 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20