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19 William St, Smithtown, NY 11787 Property Records

Suffolk County and Smithtown Town property record for 19 William St, Smithtown, NY 11787 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms1.5 Baths
Year BuiltBuilt 1966
Square Footage1,968 sqft Living Area
Lot Size13,939 sqft (0.32 acres)
OccupancyOwner Occupied
Last Sale$499,000 (2019)
Tax Bill$11,096.00 (2024)

Owner

Source: Suffolk County and Smithtown Town records · APN 473489 134.-3-30

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 Record2 Individual Names on File
Mailing Address19 WILLIAM ST, SMITHTOWN, NY 11787-5720
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Mar 15, 2019Other, Transfer
Nov 20, 2018Grant Deed, Transfer
LOAN FUNDER LLC SERIES 5485
Aug 23, 2018Trustee's Deed, Transfer

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleMar 15, 2019 · Amount on Record
Deed SaleMar 15, 2019 · Amount on Record
Prior SaleNov 20, 2018 · Amount on Record
Deed Book / Page13004 / 555
Record RefreshedSep 20, 2026

March 2019: Other, Transfer

Document TypeOther
JurisdictionSUFFOLK NY
Recording DateMar 15, 2019
Property Address19 WILLIAM ST, SMITHTOWN, NY 11787-5720
Document Number0130040555
Book / Page13004 / 555
Instrument DateFeb 21, 2019
Transaction TypeTransfer
Record UpdatedAug 20, 2021

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name

November 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionSUFFOLK NY
Recording DateNov 20, 2018
Property Address19 WILLIAM ST, SMITHTOWN, NY 11787-5720
Document Number0129870985
Book / Page012987 / 000985
Instrument DateOct 18, 2018
Transaction TypeTransfer
Record UpdatedJan 08, 2019

Transaction

AmountAmount Recorded
Loan-to-Value (LTV)LTV on Record
Tax$1,280.00
Amount AccuracyConfirmed
Additional
  • Lis Pendens
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address245 CLAYTON ST CENTRAL ISLIP NY 117223607, CENTRAL ISLIP, NY 11722-3607

Mortgage

Document Number229790048
DateNov 20, 2018
Book Page022979/000048
Lender
NameLOAN FUNDER LLC SERIES 5485
Address40 W 57TH ST # 2040, NEW YORK, NY 10019-4032
Agreement
AmountAmount Recorded

August 2018: Trustee's Deed, Transfer

Document TypeTrustee's Deed
JurisdictionSUFFOLK NY
Recording DateAug 23, 2018
Property Address19 WILLIAM ST, SMITHTOWN, NY 11787-5720
Document Number0129750272
Book / Page012975 / 000272
Instrument DateJul 23, 2018
Transaction TypeTransfer
Record UpdatedOct 29, 2018

Transaction

AmountAmount Recorded
Tax$1,422.10
Amount AccuracyConfirmed
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTrust
Address1600 S DOUGLASS RD ANAHEIM CA 928065948, ANAHEIM, CA 92806-5948

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2025$4,230 (-) Land $150 Building $4,080$528,750 (+10,775.15%) Land $18,750 Building $510,000
2024$11,096.00
2023$4,230 (-) Land $150 Building $4,080$4,862 (+12.65%) Land $172 Building $4,690
2022$4,230 Land $150 Building $4,080$4,316 Land $153 Building $4,163

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo

Wildfire

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

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN473489 134.-3-30
Alternative APNs
  • 0800-134.00-03.00-030.000
  • 348913400000030300000000
  • 47340031449

Interior

Bedrooms3 Beds
Full Baths1.5 Baths
Partial Baths1 Partial Baths
Building Area1,968 sqft Living Area
1st Floor984 sqft 1st Floor
2nd Floor984 sqft 2nd Floor
Stories2 Stories
FireplaceFireplace
Fireplaces1 Fireplaces

Exterior

Year BuiltBuilt 1966
Effective Year BuiltEffective 1966
Architectural StyleCape Cod Style
Exterior MaterialComposition/Composite Exterior
Lot Area13,939 sqft (0.32 acres)
Parking Spaces1 Parking Spaces
Garage TypeDetached Garage
Garage Area336 sqft Garage
ViewSuburban View

Utilities and HVAC

Heating SystemHot Water Heating
Heating FuelOil Heating Fuel
SewageSewage Connected
Water SourceCommercial Water Source

Location & Zoning

Street Address19 WILLIAM ST
CitySMITHTOWN
StateNY
Zip11787-5720
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal Description4-162601 TC-68 *20 LOTS 6-10 INC BIRCHCROFT COLONY BLK U
Legal SubdivisionMAP BIRCHCROFT COLONY
Legal Block3
Legal Lot Number30
JurisdictionSUFFOLK NY
Minor Civil DivisionSMITHTOWN
Census Blockgroup3
Census Block3008
Census Tract135306

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