320 Main St, Sag Harbor, NY 11963 Property Records

Suffolk County and Southampton Town property record for 320 Main St, Sag Harbor, NY 11963

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,352 sqft · built 1991
Lot Size1.1 acres (47,916 sqft)
OwnerCompany Name on Record
Tax Bill$3,212 (2024)
Flood ZoneZone AE (high risk)
APN0903-003.00-01.00-022.000

Property Details

APN / Parcel Number

Primary APN0903-003.00-01.00-022.000
Alternative APNs
  • 473609 003.000-0001-022.000
  • 360900300000010220000000
  • 47360093070

Interior

Bedrooms4 Beds
Full Baths2 Baths
Stories2 Stories
Building Area2,352 sqft Living Area
1st Floor Area2,352 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1991
Effective Year BuiltEffective 1991
Architectural StyleMobile Home
Exterior MaterialWood
Lot Area47,916 sqft
View / LotWaterfront
Garage TypeBasement
PorchPorch
Porch Area284 sqft

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil
SewerConnected
Water SourceCommercial

Location & Zoning

Street Address320 MAIN ST
CitySAG HARBOR
StateNY
Zip11963-2668
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeVILLA
Legal Description87-LD EQ +8300 91-ADD /C88-(COE FROM 87)LD-20MP-315088 BOR N/C90 ADD
Legal Block1
Legal Lot Number22
JurisdictionSUFFOLK NY
Township / Civil DivisionSOUTHAMPTON
Census Block Group3
Census Block3011
Census Tract190708

Historic Designation

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

Historic DistrictWithin 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

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 RecordCompany Name on Record
Mailing Address320 MAIN ST, SAG HARBOR, NY 11963-2668
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionSouthampton Town
MunicipalitySag Harbor Village
Unified School DistrictSag Harbor Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,156,500 (-) Land $785,200 Building $371,300$1,835,714 (-) Land $1,246,349 Building $589,365
2024$3,212.00 (+2.03%)$1,835,714 (+10.32%) Land $1,246,349 Building $589,365
2023$1,156,500 (-0.28%) Land $785,200 Building $371,300$1,664,029 (+13.36%) Land $1,129,784 Building $534,245
2022$3,148.00 (-89.87%)$1,159,700 Land $785,200 Building $374,500$1,467,975 Land $993,924 Building $474,051
2020$31,069.00

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 ZoneZone AE
high risk
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood Elevation7.0 ft
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on Record
median of 175 individual policies
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies222 units insured
incl. 47 condo units
Nearby Flood Claims5 (2008–2024)
Claims Outside the SFHA1 of 5
Most Recent ClaimMay 2024 · rainfall accumulation
Claims by Event
  • Hurricane Sandy, Oct 2012 · 2 claims

Coastal Barrier Resources

Source: USFWS Coastal Barrier Resources System, as of December 19, 2024

Coastal Barrier Resources SystemYes
UnitNY-43P “Short Beach”
Unit TypeOtherwise Protected Area
NFIP EligibilityLimited
only for structures consistent with the area's protected purpose

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 RiskLow
lower than 97% of the US · lower than 96% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 265 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fixed Wireless
300 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Main St

Nearby Streets

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