21 Willow St, Central Islip, NY 11722 Property Records

Suffolk County and Islip Town property record for 21 Willow St, Central Islip, NY 11722

Property Summary

Property TypeSingle Family Home
Details840 sqft · built 1954
Lot Size0.23 acres (10,019 sqft)
OwnerIndividual Name on Record
Last Sale$116,000 (Sep 2002)
Tax Bill$7,539 (2024)
Deeds & MortgagesFeb 2024 Mortgage
Aug 2023 Mortgage
Flood ZoneZone X (minimal risk)
APN472889 143.-1-86

Property Details

APN / Parcel Number

Primary APN472889 143.-1-86
Alternative APNs
  • 0500-143.00-01.00-086.000
  • 288914300000010860000000
  • 472800315530
  • 350420

Interior

Building Area840 sqft Living Area
1st Floor Area840 sqft

Exterior

Year BuiltBuilt 1954
Effective Year BuiltEffective 1954
Lot Area10,019 sqft (0.23 acres)
Lot Dimensions100 ft deep x 100 ft wide

Location & Zoning

Account Number350420
Street Address21 WILLOW ST
CityCENTRAL ISLIP
StateNY
Zip11722-3844
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeB
Legal DescriptionX2224985Y203975 T025H00000000
Legal Block3000
Legal Lot Number100
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group2
Census Block2004
Census Tract146403

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 RecordIndividual Name on Record
Mailing Address21 WILLOW ST, CENTRAL ISLIP, NY 11722-3844
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Feb 6, 2024Deed of Trust, Mortgage · FHA Mortgage
SECRETARY HOUSING URBAN DEVELOPMENT
Aug 3, 2023Deed of Trust, Mortgage · FHA Mortgage
SECRETARY HOUSING URBAN DEVELOPMENT

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 18, 2002 · Amount on Record
Deed SaleSep 18, 2002 · Amount on Record
Prior SaleOct 4, 2001 · Amount on Record
Deed Book / Page12209 / 620
Record UpdatedSep 20, 2026

February 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address21 WILLOW ST, CENTRAL ISLIP, NY 11722-3844
Transaction TypeMortgage
Record UpdatedApr 2, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0235650684
DateFeb 6, 2024
Book Page23565/684
Lender
NameSECRETARY HOUSING URBAN DEVELOPMENT
TypeGovernment Agency
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term337 Months
DueMar 1, 2052

August 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address21 WILLOW ST, CENTRAL ISLIP, NY 11722-3844
Transaction TypeMortgage
Record UpdatedMar 5, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0235250948
DateAug 3, 2023
Book Page23525/948
Lender
NameSECRETARY HOUSING URBAN DEVELOPMENT
TypeGovernment Agency
Agreement
TypeFHA Mortgage
AmountAmount Recorded
Term337 Months
DueSep 1, 2051

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 DistrictCentral Islip Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$23,200 (-) Land $6,600 Building $16,600$326,761 (-) Land $92,958 Building $233,803
2024$7,539.00$326,761 (+2.54%) Land $92,958 Building $233,803
2023$23,200 Land $6,600 Building $16,600$318,681 Land $90,659 Building $228,022

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
Nearby Flood Policies2 in force

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 RiskLow
lower than 80% of the US · above 54% of New York
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond 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 612 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

May also be available: T-Mobile.

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