181 Union Ave, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 181 Union Ave, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Lot Size0.18 acres (7,841 sqft)
Owner2 Individual Names on Record
Last Sale$447,500 (Feb 2016)
Tax Bill$12,249 (2024)
Deeds & MortgagesMay 2020 Construction Loan
Apr 2020 Loan Modification
Flood ZoneZone X (minimal risk)
APN472889 396.-5-25

Property Details

APN / Parcel Number

Primary APN472889 396.-5-25
Alternative APNs
  • 0500-396.00-05.00-025.000
  • 288939600000050250000000
  • 472800830170
  • 034245

Exterior

Lot Area7,841 sqft (0.18 acres)
Lot Width60 ft Width

Location & Zoning

Account Number034245
Street Address181 UNION AVE
CityISLIP
StateNY
Zip11751-4314
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB
Legal DescriptionX2218340Y182229 T059H00000000
Legal Block6000
Legal Lot Number500
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group1
Census Block1014
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 Address181 UNION AVE, ISLIP, NY 11751-4314
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
May 14, 2020Deed of Trust, Mortgage · Construction Mortgage
FREEDOM MORTGAGE CORP
Apr 11, 2020Loan Modification, Consolidation and Extension, Mortgage · Conventional with PMI
FREEDOM MTG

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 19, 2016 · Amount on Record
Deed SaleFeb 19, 2016 · Amount on Record
Prior SaleFeb 4, 1999 · Amount on Record
Deed Book / Page12853 / 205
Record UpdatedSep 20, 2026

May 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address181 UNION AVE, ISLIP, NY 11751-4314
Transaction TypeMortgage
Record UpdatedFeb 5, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0231350240
DateMay 14, 2020
Book Page23135/240
InstrumentDL006690
Lender
NameFREEDOM MORTGAGE CORP
TypeSubprime Lender
Agreement
TypeConstruction Mortgage
AmountAmount Recorded
Term361 Months
DueJun 1, 2050

April 2020: Loan Modification, Consolidation and Extension, Mortgage

Document TypeLoan Modification, Consolidation and Extension
JurisdictionSUFFOLK NY
Property Address181 UNION AVE, ISLIP, NY 11751-4314
Document Number0231600536
Instrument DateApr 11, 2020
Transaction TypeMortgage
Record UpdatedJan 25, 2021
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address181 UNION AVE ISLIP NY 117514314, ISLIP, NY 11751-4314

Mortgage

Document Number0231600536
DateAug 4, 2020
Book Page023160/000536
Lender
NameFREEDOM MTG
TypeMortgage Company
AddressMELVILLE, NY 11747
Agreement
TypeConventional with PMI
AmountAmount Recorded
Term360 Months
DueAug 3, 2050
Interest
Rate TypeFixed Rate
Rate3.5%

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$37,050 (-) Land $13,300 Building $23,750$521,831 (-) Land $187,324 Building $334,507
2024$12,249.00$521,831 (+2.54%) Land $187,324 Building $334,507
2023$37,050 Land $13,300 Building $23,750$508,928 Land $182,692 Building $326,236

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 40 policies
Nearby Flood Policies40 in force
Nearby Flood Claims19 (1980–2023)
Claims Outside the SFHA18 of 19
Most Recent ClaimJul 2023 · rainfall accumulation
Claims by Event
  • Hurricane Sandy, Oct 2012 · 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 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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