48 Roosevelt Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 48 Roosevelt Ave, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Lot Size0.23 acres (10,019 sqft)
Owner2 Company Names on Record
Deeds & MortgagesFeb 2026 Sale
Flood ZoneZone X (minimal risk)
APN472889 344.-1-17

Property Details

APN / Parcel Number

Primary APN472889 344.-1-17
Alternative APNs
  • 0500-344.00-01.00-017.000
  • 288934400000010170000000
  • 472800707570
  • 587090

Exterior

Lot Area10,019 sqft (0.23 acres)
Lot Dimensions100 ft deep x 100 ft wide

Location & Zoning

Account Number587090
Street Address48 ROOSEVELT AVE
CityISLIP
StateNY
Zip11751-2522
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB
Legal DescriptionX2216123Y187189 T044H00000000
Legal Block4000
Legal Lot Number100
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group3
Census Block3020
Census Tract147401

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 Company Names on Record
Mailing Address48 ROOSEVELT AVE, ISLIP, NY 11751-2522
Owner TypeCompany
VestingTrust, Irrevocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateJul 23, 2025
Transfer Doc0133250959
Record UpdatedSep 20, 2026

February 2026: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateFeb 17, 2026
Property Address48 ROOSEVELT AVE, ISLIP, NY 11751-2522
Document Number0133250959
Book / Page13325 / 959
Instrument DateJul 23, 2025
Transaction TypeTransfer
Record UpdatedMar 25, 2026

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipIrrevocable Trust
Address48 ROOSEVELT AVE, ISLIP, NY 11751-2522

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

YearAssessed ValueAssessed Market Value
2025$33,500 (-) Land $7,800 Building $25,700
2024$471,831 (+2.54%) Land $109,859 Building $361,972
2023$33,500 Land $7,800 Building $25,700$460,165 Land $107,143 Building $353,022

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
Flood Insurance CostPremium on Record
median of 10 policies
Nearby Flood Policies10 in force
Nearby Flood Claims13 (1978–2014)
Claims Outside the SFHA12 of 13
Most Recent ClaimAug 2014 · 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

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 326 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
T-Mobile
Fixed Wireless
100 / 20

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