77 Saint Marks Ln, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 77 Saint Marks Ln, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Lot Size3.9 acres (169,884 sqft)
Owner2 Individual Names on Record
Last Sale$1,295,000 (Sep 2016)
Tax Bill$42,596 (2024)
Flood ZoneZone X (minimal risk)
APN472889 397.-3-13.2

Property Details

APN / Parcel Number

Primary APN472889 397.-3-13.2
Alternative APNs
  • 0500-397.00-03.00-013.002
  • 288939700000030130020000
  • 472800831890
  • 042178

Exterior

Lot Area169,884 sqft
Lot Width202 ft Width

Location & Zoning

Account Number042178
Street Address77 SAINT MARKS LN
CityISLIP
StateNY
Zip11751-4103
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeAA
Legal DescriptionX2220493Y183169 T059H00000000WL
Legal Block7000
Legal Lot Number300
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group1
Census Block1000
Census Tract147402

Owner

Source: Suffolk County and Islip 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 Record2 Individual Names on Record
Mailing Address77 SAINT MARKS LN, ISLIP, NY 11751-4103
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleSep 7, 2016 · Amount on Record
Deed SaleSep 7, 2016 · Amount on Record
Prior SaleAug 8, 2000 · Amount on Record
Deed Book / PageD00012878 / 484
Prior Transfer DateMay 21, 2003
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionIslip Town
Unified School DistrictIslip Union Free School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$133,500 (-) Land $49,900 Building $83,600$1,880,282 (-) Land $702,817 Building $1,177,465
2024$42,596.00$1,880,282 (+2.54%) Land $702,817 Building $1,177,465
2023$133,500 Land $49,900 Building $83,600$1,833,792 Land $685,440 Building $1,148,352

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 40 policies
Nearby Flood Policies40 in force
Nearby Flood Claims19 (1980–2023)
Claims Outside the SFHA18 of 19
Most Recent ClaimJul 2023 · rainfall accumulation
Claims by Event
  • Hurricane Sandy, Oct 2012 · 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

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

Wildfire RiskLow
lower than 95% of the US · lower than 94% of New York
Wildfire LikelihoodUnder 0.01% 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 274 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
T-Mobile
Fixed Wireless
100 / 20

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