1657 Millstone Rd, Sag Harbor, NY 11963 Property Records

Suffolk County and Southampton Town property record for 1657 Millstone Rd, Sag Harbor, NY 11963

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 4,270 sqft · built 2007
Lot Size2 acres (87,120 sqft)
Owner2 Individual Names on File
Last Sale$1,650,000 (Jun 2011)
Tax Bill$10,742 (2020)
Flood ZoneZone X (minimal risk)
APN0900-013.00-01.00-079.014

Property Details

APN / Parcel Number

Primary APN0900-013.00-01.00-079.014
Alternative APNs
  • 473689 013.000-0001-079.014
  • 368901300000010790140000
  • 473600127350

Interior

Bedrooms4 Beds
Full Baths2 Baths
Building Area4,270 sqft Living Area
1st Floor Area4,270 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 2007
Effective Year BuiltEffective 2007
Architectural StyleMobile Home
Exterior MaterialWood
Lot Area87,120 sqft
View / LotBelow Average
PorchOpen Porch
Porch Area520 sqft
Tennis CourtTennis Court

Utilities, Heating & Cooling

Heating SystemHVAC
SewerConnected
Water SourceCommercial

Location & Zoning

Street Address1657 MILLSTONE RD
CitySAG HARBOR
StateNY
Zip11963-2211
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR80
Legal Description88 LD EQ +100088 P/DK F050
Legal SubdivisionNORTH OAK
Legal Block1
Legal Lot Number79
JurisdictionSUFFOLK NY
Township / Civil DivisionSOUTHAMPTON
Census Block Group3
Census Block3011
Census Tract190711

Owner

1657 Millstone Rd is owned by two individuals who bought it in June 2011.

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

Owner of Record2 Individual Names on File
Mailing Address400 E 54TH ST, 29F, NEW YORK, NY 10022-5169
Owner TypeIndividual

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 Names2 Names on Deed
Last SaleJun 30, 2011 · Amount on File
Deed SaleJun 30, 2011 · Amount on File
Prior SaleAug 16, 2004 · Amount on File
Deed Book / PageD12664 / 317
Prior Transfer DateJan 14, 2008
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
Unified School DistrictSag Harbor Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$1,608,300 Land $684,800 Building $923,500
2024$2,552,857 (+10.32%) Land $1,086,984 Building $1,465,873
2023$1,608,300 Land $684,800 Building $923,500$2,314,101 Land $985,324 Building $1,328,777
2020$10,742.00

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

Flood

FEMA maps place 1657 Millstone Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2021.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 29 policies
Community Rating SystemClass 10 (0% premium discount)
Nearby Flood Policies29 in force
Nearby Flood Claims1 (2021)
Claims Outside the SFHA1 of 1
Most Recent ClaimSep 2021 · Remnants Of Hurricane Ida

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 1657 Millstone Rd is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · above 54% of New York
Wildfire Likelihood0.02% annual chance
ExposureDirect
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 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 99 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Starlink
Satellite
280 / 30

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Millstone Rd

Nearby Streets

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