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20 Chestnut St, Islip, NY 11751 Property Records

Suffolk County and Islip Town property record for 20 Chestnut St, Islip, NY 11751 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details1,662 sqft · built 1991
Lot Size0.19 acres (8,276 sqft)
OwnerIndividual Name on File
Last Sale$442,000 (Oct 2021)
Tax Bill$14,257 (2024)
Deeds & MortgagesJul 2023 Refinance
Oct 2021 Sale & Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN472889 370.-2-69.4

Property Details

APN / Parcel Number

Primary APN472889 370.-2-69.4
Alternative APNs
  • 0500-370.00-02.00-069.004
  • 288937000000020690040000
  • 472800765680
  • 033906

Interior

Building Area1,662 sqft Living Area
1st Floor Area950 sqft

Exterior

Year BuiltBuilt 1991
Effective Year BuiltEffective 1991
Lot Area8,276 sqft (0.19 acres)
Lot Width67.4 ft Width

Location & Zoning

Account Number033906
Street Address20 CHESTNUT ST
CityISLIP
StateNY
Zip11751-3507
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT058H00000000
Legal Block0002
Legal Lot Number200
JurisdictionSUFFOLK NY
Township / Civil DivisionISLIP
Census Block Group2
Census Block2018
Census Tract147401

Owner

Source: Suffolk County and Islip Town records · APN 472889 370.-2-69.4

Assessment roll updated August 11, 2026 · Last verified August 2026

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

Owner of RecordIndividual Name on File
Mailing Address20 CHESTNUT ST, ISLIP, NY 11751-3507
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jul 13, 2023Deed of Trust, Mortgage · Stand-Alone Refinance
BETHPAGE FCU
Oct 21, 2021Deed, Transfer · Stand-Alone First Mortgage
CONTOUR MORTGAGE CORP
Jun 03, 2021Sheriff's Deed, Foreclosure

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleOct 21, 2021 · Amount on Record
Deed SaleOct 21, 2021 · Amount on Record
Prior SaleJun 03, 2021 · Amount on Record
Deed Book / Page13125 / 443
Prior Transfer DateAug 21, 2003
Prior Transfer Doc0123110023
Record UpdatedSep 20, 2026

July 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address20 CHESTNUT ST, ISLIP, NY 11751-3507
Transaction TypeMortgage
Record UpdatedFeb 27, 2024

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0235190810
DateJul 13, 2023
Book Page23519/810
Lender
NameBETHPAGE FCU
TypeCredit Union
Agreement
TypeStand-Alone Refinance
AmountAmount Recorded
Term349 Months
DueAug 01, 2052

October 2021: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateOct 21, 2021
Property Address20 CHESTNUT ST, ISLIP, NY 11751-3507
Document Number0131250443
Book / Page13125 / 443
Transaction TypeTransfer
Record UpdatedJan 17, 2022

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
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
Address5 GOLDEN AVE, DEER PARK, NY 11729-7314

Mortgage

Document Number00DM041086
DateOct 21, 2021
InstrumentDM041086
Lender
NameCONTOUR MORTGAGE CORP
TypeMortgage Company
Agreement
TypeStand-Alone First Mortgage
AmountAmount Recorded

June 2021: Sheriff's Deed, Foreclosure

Document TypeSheriff's Deed
JurisdictionSUFFOLK NY
Recording DateJun 03, 2021
Property Address20 CHESTNUT ST, ISLIP, NY 11751-3507
Document Number0131070202
Book / Page13107 / 202
Instrument DateJan 15, 2021
Transaction TypeForeclosure
Record UpdatedJan 17, 2022

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Notice of Foreclosure Sale

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address8200 JONES BRANCH DR, MCLEAN, VA 22102-3107

Tax Assessment & Valuation

Source: Suffolk County and Islip Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionIslip Town
Unified School DistrictIslip Union Free School District (KG - 12)

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2025$39,000 (-) Land $9,200 Building $29,800$549,295 (-) Land $129,577 Building $419,718
2024$14,257.00$549,295 (+2.53%) Land $129,577 Building $419,718
2023$39,000 Land $9,200 Building $29,800$535,715 Land $126,374 Building $409,341

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031474012, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Flood Insurance CostPremium on Record
median of 10 individual NFIP policies nearby
Nearby Flood Policies10 in force
Nearby Flood Claims6 (1992–2014)
Claims Outside the SFHA4 of 6
Most Recent ClaimAug 2014, rainfall accumulation

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 421 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Optimum CommunicationsFiber8,000 / 8,000
VerizonFiber2,300 / 2,300
Optimum CommunicationsCable940 / 35
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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