345 Madison St, Sag Harbor, NY 11963 Property Records

Suffolk County and Southampton Town property record for 345 Madison St, Sag Harbor, NY 11963

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,406 sqft · built 2006
Lot Size	0.47 acres (20,473 sqft)
Owner	Individual Name on Record
Last Sale	$2,350,000 (Aug 2022)
Tax Bill	$4,382 (2024)
Deeds & Mortgages	Aug 2022 Sale
Flood Zone	Zone X (minimal risk)
APN	`0903-007.00-03.00-044.000`

Property Details

APN / Parcel Number

Primary APN	`0903-007.00-03.00-044.000`
Alternative APNs	`473609 007.000-0003-044.000` `360900700000030440000000` `473600101280`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Stories	1 Story
Building Area	1,406 sqft Living Area
1st Floor Area	1,406 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2006
Architectural Style	Mobile Home
Exterior Material	Wood
Lot Area	20,473 sqft (0.47 acres)
View / Lot	Below Average

Exterior Amenities

Porch	Porch
Porch Area	410 sqft
Patio Area	485 sqft
Shed	1 Shed
Shed Area	96 sqft

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil
Sewer	Connected
Water Source	Commercial

Location & Zoning

Street Address	345 MADISON ST
City	SAG HARBOR
State	NY
Zip	11963-3418
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	VILLA
Legal Description	1987 LD EQ + 1200
Legal Subdivision	SAG HARBOR ACRES
Legal Block	3
Legal Lot Number	44
Jurisdiction	SUFFOLK NY
Township / Civil Division	SOUTHAMPTON
Census Block Group	2
Census Block	2026
Census Tract	190708

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	501 E 79TH ST, NEW YORK, NY 10075-0735
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 2, 2022 · Amount on Record
Deed Sale	Aug 2, 2022 · Amount on Record
Prior Sale	Oct 6, 2015 · Amount on Record
Deed Book / Page	13167 / 429
Record Updated	Sep 20, 2026

August 2022: Deed, Transfer

Document Type	Deed
Jurisdiction	SUFFOLK NY
Recording Date	Aug 2, 2022
Property Address	345 MADISON ST, SAG HARBOR, NY 11963-3418
Document Number	0131670429
Book / Page	13167 / 429
Instrument Date	Jun 30, 2022
Transaction Type	Transfer
Record Updated	Nov 14, 2023

Transaction

Amount	Amount Recorded
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	501 E 79TH ST, NEW YORK, NY 10075-0735

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		$1,577,500 (-) Land $718,000 Building $859,500	$2,503,969 (-) Land $1,139,683 Building $1,364,286
2024	$4,382.00 (+2.31%)		$2,503,969 (+10.32%) Land $1,139,683 Building $1,364,286
2023		$1,577,500 (-) Land $718,000 Building $859,500	$2,269,785 (+13.67%) Land $1,033,094 Building $1,236,691
2022	$4,283.00 (-71.04%)	$1,577,500 Land $718,000 Building $859,500	$1,996,836 Land $908,861 Building $1,087,975
2020	$14,789.00

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 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

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