285 Grant Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 285 Grant Ave, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Lot Size0.28 acres (12,197 sqft)
OwnerIndividual Name on Record
Flood ZoneZone X (minimal risk)
APN472889 319.-3-96.1

Property Details

APN / Parcel Number

Primary APN472889 319.-3-96.1
Alternative APNs
  • 0500-319.00-03.00-096.001
  • 0500319000300034000
  • 472800654340

Exterior

Lot Area12,197 sqft (0.28 acres)
Lot Width75 ft Width

Location & Zoning

Street Address285 GRANT AVE
CityISLIP
StateNY
Zip11751-2620
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB
Legal DescriptionX2217648Y187881 T044H00000000
Legal Block9000
Legal Lot Number300
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group1
Census Block1033
Census Tract147401

Owner

Source: Suffolk County and Islip Town records, as of April 30, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address285 GRANT AVE, ISLIP, NY 11751-2620
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

Source: Suffolk County and Islip Town assessment roll, as of April 30, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

YearAssessed ValueAssessed Market Value
2025$40,000 (-) Land $8,400 Building $31,600
2024$563,380 (+2.54%) Land $118,310 Building $445,070
2023$40,000 Land $8,400 Building $31,600$549,451 Land $115,385 Building $434,066

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

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
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force
Nearby Flood Claims25 (1979–2023)
Claims Outside the SFHA18 of 25
Most Recent ClaimJul 2023 · river or lake flooding
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

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

Wildfire RiskLow
lower than 98% of the US · lower than 97.9% of New York
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 329 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area
2,300 / 2,300

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