203 Madison St, Mastic, NY 11950 Property Records

Suffolk County and Southampton Town property record for 203 Madison St, Mastic, NY 11950

Property Summary

Property Type	Commercial
Details	1,288 sqft · built 1978
Lot Size	0.23 acres (10,019 sqft)
Owner	Company Name on File
Last Sale	$2,050,000 (Sep 2023)
Tax Bill	$1,945 (2024)
Deeds & Mortgages	Sep 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`0903-006.00-04.00-040.001`

Property Details

APN / Parcel Number

Primary APN	`0903-006.00-04.00-040.001`
Alternative APNs	`473609 006.000-0004-040.001` `360900600000040400010000` `47360099880`

Interior

Building Area	1,288 sqft Gross Area
Basement Area	616 sqft

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1978
Lot Area	10,019 sqft (0.23 acres)
View / Lot	Below Average
Porch	Covered Porch
Porch Area	56 sqft
Canopy	36 sqft

Utilities, Heating & Cooling

Heating Fuel	Gas
Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	203 MADISON ST
City	MASTIC
State	NY
Zip	11950
Property Category	Commercial
Property Type	Commercial > Retail
Local Zoning Code	VILLA
Legal Description	87-LD EQ +300
Legal Block	4
Legal Lot Number	40
Jurisdiction	SUFFOLK NY
Township / Civil Division	SOUTHAMPTON
Census Block Group	2
Census Block	2021
Census Tract	190708

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic District	Within the Sag Harbor Village District listed 1973 · 25 contributing resources · NRIS 73001274

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

203 Madison St, a commercial property, is owned by a company that bought it in September 2023.

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

Owner of Record	Company Name on File
Mailing Address	163 OLD MILLSTONE RD, SAG HARBOR, NY 11963-2205
Owner Type	Company
Vesting	Limited Liability Company

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	Name on Deed
Last Sale	Sep 26, 2023 · Amount on File
Deed Sale	Sep 26, 2023 · Amount on File
Deed Book / Page	13219 / 779
Prior Transfer Date	Mar 4, 2021
Prior Transfer Doc	0131190019
Record Updated	Sep 20, 2026

September 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	SUFFOLK NY
Recording Date	Sep 8, 2021
Property Address	203 MADISON ST, SAG HARBOR, NY 11963-3414
Document Number	0131190019
Book / Page	13119 / 19
Instrument Date	Mar 4, 2021
Transaction Type	Transfer
Record Updated	Oct 19, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust

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	Sag Harbor Village
Unified School District	Sag Harbor Union Free School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$700,400 Land $520,700 Building $179,700	$1,111,746 (-) Land $826,508 Building $285,238
2024	$1,945.00		$1,111,746 (+10.32%) Land $826,508 Building $285,238
2023		$700,400 Land $520,700 Building $179,700	$1,007,770 Land $749,209 Building $258,561
2020	$1,067.00

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 203 Madison St in Zone X, an area of minimal flood risk, though there have been 86 flood claims nearby since 1978.

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 37 policies
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	37 in force
Nearby Flood Claims	86 (1978–2024)
Claims Outside the SFHA	14 of 86
Most Recent Claim	Aug 2024 · Severe Storm And Flooding
Claims by Event	Hurricane Sandy, Oct 2012 · 25 claims Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 12 claims Coastal Storms & Flooding, Mar 1984 · 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

Wildfire risk around 203 Madison St is low, with 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 80% of the US · above 54% of New York
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 305 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
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20