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21 Oak Tree Dr, Smithtown, NY 11787 Property Records

Suffolk County and Smithtown Town property record for 21 Oak Tree Dr, Smithtown, NY 11787

Property Summary

Property TypeSingle Family Home
Details4 bd · 2 ba · 2,218 sqft · built 1978
Lot Size0.7 acres (30,492 sqft)
Owner2 Individual Names on Record
Last Sale$500,000 (Mar 2003)
Tax Bill$16,108 (2024)
Deeds & MortgagesJan 2020 Transfer
Oct 2017 Line of Credit
Flood ZoneZone X (minimal risk)
APN473405 6.-1-20.12

Property Details

APN / Parcel Number

Primary APN473405 6.-1-20.12
Alternative APNs
  • 0803-006.00-01.00-020.012
  • 340500600000010200120000
  • 4734001792

Interior

Bedrooms4 Beds
Full Baths2 Baths
Stories1 Story
Building Area2,218 sqft Living Area
1st Floor Area2,218 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1978
Effective Year BuiltEffective 1978
Architectural StyleRanch
Exterior MaterialWood
Lot Area30,492 sqft (0.7 acres)
View / LotSuburban
PorchOpen Porch
Porch Area783 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemHot Water
Heating FuelOil
SewerConnected
Water SourceCommercial

Location & Zoning

Street Address21 OAK TREE DR
CitySMITHTOWN
StateNY
Zip11787-3611
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Description1-416.10 TC-71 *6458 LOT 10 BRANCH BROOK ESTS
Legal SubdivisionMAP BRANCH BROOK ESTATES
Legal Block1
Legal Lot Number20
JurisdictionSUFFOLK NY
Township / Civil DivisionSMITHTOWN
Census Block Group2
Census Block2012
Census Tract134909

Owner

Source: Suffolk County and Smithtown 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 Address21 OAK TREE DR, SMITHTOWN, NY 11787-3611
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Jan 23, 2020Quit Claim Deed, Transfer
NOT AVAILABLE
Oct 4, 2017Deed of Trust, Mortgage · Line of Credit
TD BK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 19, 2003 · Amount on Record
Deed SaleMar 19, 2003 · Amount on Record
Prior SaleJan 10, 1995 · Amount on Record
Deed Book / Page12241 / 158
Prior Transfer DateOct 18, 1993
Prior Transfer Doc1165000177
Record UpdatedOct 29, 2026

January 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSUFFOLK NY
Recording DateJan 23, 2020
Property Address21 OAK TREE DR, SMITHTOWN, NY 11787-3611
Document Number0130440964
Book / Page013044 / 000964
Instrument DateNov 30, 2019
Transaction TypeTransfer
Record UpdatedFeb 24, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address8 ONTARIO AVE PLAINVIEW NY 118033422, PLAINVIEW, NY 11803-3422

October 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address21 OAK TREE DR, SMITHTOWN, NY 11787-3611
Document Number0228660799
Book / Page022866 / 000799
Instrument DateOct 4, 2017
Transaction TypeMortgage
Record UpdatedDec 6, 2017

Transferred To (Grantee/Buyer)

NameVerified Name
Address21 OAK TREE DR SMITHTOWN NY 117873611, SMITHTOWN, NY 11787-3611

Mortgage

Document Number0228660799
DateOct 23, 2017
Book Page022866/000799
Lender
NameTD BK NA
TypeBank
AddressPORTLAND, ME 04101
Agreement
TypeLine of Credit
AmountAmount Recorded
Term360 Months
DueOct 22, 2047
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionSmithtown Town
MunicipalityVillage Of The Branch
Unified School DistrictSmithtown Central School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$6,460 (-) Land $1,015 Building $5,445$807,500 (+10,773.96%) Land $126,875 Building $680,625
2024$16,108.00
2023$6,460 Land $1,015 Building $5,445$7,426 Land $1,167 Building $6,259

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
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies8 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
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 238 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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