156 Union Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 156 Union Ave, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Lot Size0.21 acres (9,148 sqft)
Owner2 Individual Names on Record
Last Sale$175,000 (Jan 1999)
Deeds & MortgagesApr 2023 Sale
Sep 2018 Loan Modification
Flood ZoneZone X (minimal risk)
APN472889 396.-4-57

Property Details

APN / Parcel Number

Primary APN472889 396.-4-57
Alternative APNs
  • 0500-396.00-04.00-057.000
  • 288939600000040570000000
  • 472800829650
  • 032780

Exterior

Lot Area9,148 sqft (0.21 acres)
Lot Width62 ft Width

Location & Zoning

Account Number032780
Street Address156 UNION AVE
CityISLIP
StateNY
Zip11751-4315
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB
Legal DescriptionX2218173Y182553 T059H00000000
Legal Block6000
Legal Lot Number400
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group3
Census Block3015
Census Tract147402

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 Individual Names on Record
Mailing Address156 UNION AVE, ISLIP, NY 11751-4315
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 26, 2023Deed, Transfer
Sep 10, 2018Loan Modification, Mortgage · Conventional Mortgage
ISLAND FCU

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 11, 1999 · Amount on Record
Deed SaleJan 11, 1999 · Amount on Record
Deed Book / Page11938 / 835
Last Transfer DateMar 5, 2023
Transfer Doc0131990022
Record UpdatedOct 29, 2026

April 2023: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateApr 26, 2023
Property Address156 UNION AVE, ISLIP, NY 11751-4315
Document Number0131990022
Book / Page13199 / 22
Instrument DateMar 5, 2023
Transaction TypeTransfer
Record UpdatedFeb 13, 2024

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address156 UNION AVE, ISLIP, NY 11751-4315

September 2018: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionSUFFOLK NY
Property Address156 UNION AVE, ISLIP, NY 11751-4315
Document Number0229770063
Instrument DateSep 10, 2018
Transaction TypeMortgage
Record UpdatedMar 4, 2019

Transferred To (Grantee/Buyer)

NameVerified Name
Address156 UNION AVE ISLIP NY 117514315, ISLIP, NY 11751-4315

Mortgage

Document Number0229770063
DateNov 13, 2018
Book Page022977/000063
Lender
NameISLAND FCU
TypeCredit Union
Address120 MOTOR PKWY, HAUPPAUGE, NY 11788-5107
Agreement
TypeConventional Mortgage
AmountAmount Recorded

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

YearTax BillAssessed ValueAssessed Market Value
2025$43,000 (-) Land $10,400 Building $32,600
2024$605,634 (+2.54%) Land $146,479 Building $459,155
2023$43,000 (-) Land $10,400 Building $32,600$590,659 (+13.74%) Land $142,857 Building $447,802
2022Homeowner's exemption Additional exemption filed$43,000 Land $10,400 Building $32,600$519,324 Land $125,604 Building $393,720

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

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 53 policies
Nearby Flood Policies53 in force
Nearby Flood Claims75 (1978–2021)
Claims Outside the SFHA44 of 75
Most Recent ClaimSep 2021 · Remnants Of Hurricane Ida
Claims by Event
  • Hurricane Sandy, Oct 2012 · 27 claims
  • Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 4 claims
  • Hurricane Gloria, Sep 1985 · 5 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 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 357 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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