23 Harrison Ave, East Islip, NY 11730 Property Records

Suffolk County and Islip Town property record for 23 Harrison Ave, East Islip, NY 11730

Property Summary

Property TypeSingle Family Home
Lot Size0.4 acres (17,424 sqft)
Owner2 Individual Names on File
Last Sale$335,000 (Apr 2011)
Tax Bill$9,192 (2024)
Flood ZoneZone X (minimal risk)
APN472889 372.-4-8.1

Property Details

APN / Parcel Number

Primary APN472889 372.-4-8.1
Alternative APNs
  • 0500-372.00-04.00-008.001
  • 288937200000040080010000
  • 472800771670
  • 181381

Exterior

Lot Area17,424 sqft (0.4 acres)
Lot Width102 ft Width

Location & Zoning

Account Number181381
Street Address23 HARRISON AVE
CityEAST ISLIP
StateNY
Zip11730-2302
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeA
Legal DescriptionT061H00000000
Legal Block2000
Legal Lot Number400
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group1
Census Block1001
Census Tract147504

Owner

23 Harrison Ave is owned and occupied by two individuals who bought it in April 2011.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address23 HARRISON AVE, EAST ISLIP, NY 11730-2302
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 8, 2011 · Amount on File
Deed SaleApr 8, 2011 · Amount on File
Deed Book / Page12656 / 527
Prior Transfer DateFeb 20, 2003
Prior Transfer Doc1224000736
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 DistrictEast Islip Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$34,000 Land $11,200 Building $22,800$478,873 (-) Land $157,746 Building $321,127
2024$9,192.00$478,873 (+2.54%) Land $157,746 Building $321,127
2023$34,000 Land $11,200 Building $22,800$467,033 Land $153,846 Building $313,187

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

FEMA maps place 23 Harrison Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2005.

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 14 policies
Nearby Flood Policies14 in force
Nearby Flood Claims1 (2005)
Claims Outside the SFHA1 of 1
Most Recent ClaimOct 2005 · rainfall accumulation

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

The area around 23 Harrison Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 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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