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258 Grant Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 258 Grant Ave, Islip, NY 11751 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Lot Size0.57 acres (24,829 sqft)
Owner2 Individual Names on File
Last Sale$675,000 (Mar 2026)
Deeds & MortgagesMar 2026 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN472889 319.-2-112

Property Details

APN / Parcel Number

Primary APN472889 319.-2-112
Alternative APNs
  • 0500-319.00-02.00-112.000
  • 288931900000021120000000
  • 472800653370
  • 032570

Exterior

Lot Area24,829 sqft (0.57 acres)
Lot Width50 ft Width

Location & Zoning

Account Number032570
Street Address258 GRANT AVE
CityISLIP
StateNY
Zip11751-2601
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionX2217265Y187565 T044H00000000WL
Legal Block9000
Legal Lot Number200
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group3
Census Block3027
Census Tract147401

Owner

Source: Suffolk County and Islip Town records · APN 472889 319.-2-112

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 Address258 GRANT AVE, ISLIP, NY 11751-2601
OccupancyOwner Occupied
Owner TypeIndividual
VestingHusband and Wife

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 03, 2026 · Amount on Record
Deed SaleMar 03, 2026 · Amount on Record
Deed Book / Page13327 / 881
Record UpdatedSep 20, 2026

March 2026: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateMar 03, 2026
Property Address258 GRANT AVE, ISLIP, NY 11751-2601
Document Number0133270881
Book / Page13327 / 881
Instrument DateDec 15, 2025
Transaction TypeTransfer
Record UpdatedApr 08, 2026
Title CompanyNORTHEASTERN METRO ABSTRACT, NORTHEASTERN METRO ABST

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address258 GRANT AVE, ISLIP, NY 11751-2601

Mortgage

Document Number0023714461
DateMar 03, 2026
Instrument23714/461
Lender
NameUNITED WHOLESALE MORTGAGE
TypeMortgage Company
Agreement
AmountAmount Recorded
Term361 Months
DueApr 01, 2056

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$34,000 (-) Land $14,600 Building $19,400
2024$478,873 (+2.54%) Land $205,634 Building $273,239
2023$34,000 Land $14,600 Building $19,400$467,033 Land $200,549 Building $266,484

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 361031474013, 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
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Flood Insurance CostPremium on Record
median of 10 individual NFIP policies nearby
Nearby Flood Policies10 in force
Nearby Flood Claims13 (1978–2014)
Claims Outside the SFHA12 of 13
Most Recent ClaimAug 2014, rainfall accumulation

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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 · Published October 2026 · based on 329 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Optimum CommunicationsFiber8,000 / 8,000
VerizonFiber2,300 / 2,300
Optimum CommunicationsCable940 / 35

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

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