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31 Tappan Ave, Islip, NY 11751 Property Records

Suffolk County and Babylon Town property record for 31 Tappan Ave, Islip, NY 11751

Property Summary

Property TypeSingle Family Home
Details1 ba · 1,097 sqft · built 1950
Lot Size0.165 acres (7,200 sqft)
OwnerCompany Name on Record
Last Sale$645,000 (Oct 2025)
Tax Bill$8,843 (2024)
Deeds & MortgagesOct 2025 Sale & Mortgage
Sep 2023 Foreclosure
Flood ZoneZone X (minimal risk)
APN472003 8.-1-77

Property Details

APN / Parcel Number

Primary APN472003 8.-1-77
Alternative APNs
  • 0102-008.00-01.00-077.000
  • 200300800000010770000000
  • 47200053060
  • 20220317410
  • 20230317410
  • 20240317410
  • 20250317410

Interior

Full Baths1 Bath
Building Area1,097 sqft Building Perimeter

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Lot Area7,200 sqft (0.165 acres)
Lot Dimensions120 ft deep x 60 ft wide

Location & Zoning

Account Number20250317410
Street Address31 TAPPAN AVE
CityISLIP
StateNY
Zip11751
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionFILED MAP 1756 LOT 263
Legal SubdivisionMAP TAPPAN MANOR
Legal Block1
Legal Lot Number77
JurisdictionSUFFOLK NY
Township / Civil DivisionBABYLON
Census Block Group1
Census Block1004
Census Tract124601

Owner

Source: Suffolk County and Babylon Town records, as of October 19, 2026

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

Owner of RecordCompany Name on Record
Mailing Address70 PROPOSE RD, SHIRLEY, NY 11967-3314
Owner TypeCompany
VestingLimited Liability Company

Deeds, Mortgages & Sale History

DateDocument
Oct 8, 2025Deed, Transfer · Commercial Mortgage
HOME EQUITY MTG LLC
Sep 6, 2023Foreclosure

Assessor's Deed Record

Deed NamesName on Deed
Last SaleOct 8, 2025 · Amount on Record
Deed SaleOct 8, 2025 · Amount on Record
Prior SaleApr 1, 2025 · Amount on Record
Deed Book / Page13312 / 328
Prior Transfer DateApr 3, 2023
Prior Transfer Doc1321000084
Record UpdatedOct 29, 2026

October 2025: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateOct 8, 2025
Property Address31 TAPPAN AVE, BABYLON, NY 11702-2435
Document Number0133120328
Book / Page13312 / 328
Instrument DateSep 26, 2025
Transaction TypeTransfer
Record UpdatedDec 24, 2025

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
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
Address70 PROPOSE RD, SHIRLEY, NY 11967-3314

Mortgage

Document Number0023688241
DateOct 8, 2025
Instrument23688/241
Lender
NameHOME EQUITY MTG LLC
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

September 2023: Foreclosure

Document TypeForeclosure
JurisdictionSUFFOLK NY
Recording DateSep 6, 2023
Property Address31 TAPPAN AVE, BABYLON, NY 11702-2435
Document Number0132170084
Book / Page13217 / 84
Instrument DateApr 3, 2023
Transaction TypeForeclosure
Record UpdatedMar 5, 2024

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyFull Amount Stated

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address3017 DECKER LAKE DR, SALT LAKE CITY, UT 84119-5891

Tax Assessment & Valuation

Source: Suffolk County and Babylon Town assessment roll, as of August 11, 2026

Property Jurisdictions

TypeName
StateNew York
MunicipalityBabylon Village
CountySuffolk County
County SubdivisionBabylon Town
Unified School DistrictWest Babylon Union Free School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$2,660 (-) Land $290 Building $2,370
2024$8,843.00$2,660 (-) Land $290 Building $2,370
2023$2,660 Land $290 Building $2,370$148,603 Land $16,201 Building $132,402

Assessed value is set for property tax purposes, not a market price estimate; it is 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 20 policies
Nearby Flood Policies20 in force
Nearby Flood Claims20 (1979–2021)
Claims Outside the SFHA18 of 20
Most Recent ClaimJul 2021 · 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 625 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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