298 Union Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 298 Union Ave, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Lot Size0.84 acres (36,590 sqft)
Owner2 Individual Names on File
Last Sale$267,500 (Oct 1995)
Flood ZoneZone X (minimal risk)
APN472889 422.-3-30.4

Property Details

APN / Parcel Number

Primary APN472889 422.-3-30.4
Alternative APNs
  • 0500-422.00-03.00-030.004
  • 288942200000030300040000
  • 472800880320

Exterior

Lot Area36,590 sqft (0.84 acres)
Lot Width90 ft Width

Location & Zoning

Street Address298 UNION AVE
CityISLIP
StateNY
Zip11751-4712
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB
Legal DescriptionT059H00000000
Legal Block2000
Legal Lot Number300
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group2
Census Block2001
Census Tract147402

Owner

Source: Suffolk County and Islip Town records · APN 472889 422.-3-30.4

Assessment roll updated August 11, 2026 · Last verified August 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 File
Mailing Address298 UNION AVE, ISLIP, NY 11751-4712
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 17, 1995 · Amount on Record
Deed SaleOct 17, 1995 · Amount on Record
Deed Book / Page11746 / 224
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearAssessed ValueAssessed Market Value
2025$65,000 (-) Land $16,400 Building $48,600
2024$915,493 (+2.54%) Land $230,986 Building $684,507
2023$65,000 Land $16,400 Building $48,600$892,857 Land $225,275 Building $667,582

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031474022, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

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 127 policies
Nearby Flood Policies127 in force
Nearby Flood Claims187 (1978–2023)
Claims Outside the SFHA79 of 187
Most Recent ClaimJul 2023 · rainfall accumulation
Claims by Event
  • Hurricane Sandy, Nov 2012 · 109 claims
  • Hurricane Irene, Aug 2011 · 9 claims
  • Hurricane Gloria, Sep 1985 · 14 claims

Wildfire

Wildfire RiskLow
lower than 96% of the US · lower than 95% of New York
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 215 locations within half a mile · Last verified October 2026

ProviderMax Down / Up (Mbps)
Optimum Communications
Fiber · Cable
8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area
2,300 / 2,300
T-Mobile USA
Fixed Wireless
100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026

Water SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.

Nearby Properties on Union Ave

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