6 Keystone Ct, Smithtown, NY 11787 Property Records

Suffolk County and Smithtown Town property record for 6 Keystone Ct, Smithtown, NY 11787

Property Summary

Property TypeResidential Vacant Land
Lot Size0.46 acres (20,038 sqft)
OwnerCompany Name on File
Tax Bill$1,148 (2024)
Flood ZoneZone X (minimal risk)
APN473489 130.-4-63.6

Property Details

APN / Parcel Number

Primary APN473489 130.-4-63.6
Alternative APNs
  • 0800-130.00-04.00-063.006
  • 47340043647

Exterior

Lot Area20,038 sqft (0.46 acres)

Location & Zoning

Street Address6 KEYSTONE CT
CitySMITHTOWN
StateNY
Zip11787-4627
Property CategoryResidential
Property TypeVacant Land > Residential
Legal Description130.-4-63.6 M/O KEYSTONE TERRACE LOT FILE #11312 FILED 9/28/05
Legal Block4
Legal Lot Number63
JurisdictionSUFFOLK NY
Township / Civil DivisionSMITHTOWN
Census Block Group2
Census Block2000
Census Tract135303

Owner

6 Keystone Ct, residential vacant land, is owned by a company.

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

Owner of RecordCompany Name on File
Mailing Address720 SMITHTOWN BYP, SMITHTOWN, NY 11787-5026
Owner TypeCompany
VestingCompany

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 NamesName on Deed
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionSmithtown Town
Unified School DistrictSmithtown Central School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$460 Land $460$57,500 Land $57,500
2024$1,148.00
2023$460 Land $460$529 Land $529

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

Flood

FEMA maps place 6 Keystone Ct in Zone X, an area of minimal flood risk, though there have been 45 flood claims nearby since 1979.

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
Nearby Flood Policies1 in force
Nearby Flood Claims45 (1979–2016)
Claims Outside the SFHA39 of 45
Most Recent ClaimAug 2016 · other causes
Claims by Event
  • Severe Storms And Flooding, Mar 2010 · 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 6 Keystone Ct is low, with a 0.01% 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 Likelihood0.01% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 303 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fiber
2,300 / 2,300

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