21 Weldon Ln, Commack, NY 11725 Property Records

Suffolk County and Smithtown Town property record for 21 Weldon Ln, Commack, NY 11725

Property Summary

Property TypeSingle Family Home
Lot Size0.25 acres (10,890 sqft)
Owner2 Individual Names on Record
Last Sale$501,000 (Jan 2021)
Tax Bill$10,866 (2024)
Deeds & MortgagesNov 2020 Mortgage
Jan 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN473489 63.-4-37

Property Details

APN / Parcel Number

Primary APN473489 63.-4-37
Alternative APNs
  • 0800-063.00-04.00-037.000
  • 348906300000040370000000

Interior

Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Lot Area10,890 sqft (0.25 acres)

Location & Zoning

Old Parcel Number473489 63.-4-37
Street Address21 WELDON LN
CityCOMMACK
StateNY
Zip11725-1133
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionMAYFAIR ESTATES
Legal Block4
Legal Lot Number37
JurisdictionSUFFOLK NY
Township / Civil DivisionSMITHTOWN
Census Block Group2
Census Block2025
Census Tract135102

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 WELDON LN, COMMACK, NY 11725-1133
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Nov 20, 2020Deed of Trust, Mortgage · Conventional Mortgage
BETHPAGE FCU
Jan 6, 2021Deed, Transfer · Stand-Alone First Mortgage
CROSSCOUNTRY MORTGAGE INC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 6, 2021 · Amount on Record
Deed SaleJan 6, 2021 · Amount on Record
Deed Book / Page13085 / 648
Record UpdatedSep 20, 2026

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionSUFFOLK NY
Property Address21 WELDON LN, COMMACK, NY 11725-1133
Document Number0232050945
Instrument DateNov 20, 2020
Transaction TypeMortgage
Record UpdatedMar 15, 2021
Title CompanyNOT AVAILABLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address548 S GREENE AVE LINDENHURST NY 117575433, LINDENHURST, NY 11757-5433

Mortgage

Document Number0232050945
DateDec 10, 2020
Book Page023205/000945
Lender
NameBETHPAGE FCU
TypeCredit Union
AddressBETHPAGE, NY 11714
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueDec 9, 2050

January 2021: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateJan 6, 2021
Property Address21 WELDON LN, COMMACK, NY 11725-1133
Document Number0130850648
Book / Page13085 / 648
Instrument DateSep 18, 2020
Transaction TypeTransfer
Record UpdatedMay 6, 2022

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
Address538 E PENN ST, LONG BEACH, NY 11561-3726

Mortgage

Document Number00DL045812
DateJan 6, 2021
InstrumentDL045812
Lender
NameCROSSCOUNTRY MORTGAGE INC
TypeMortgage Company
Agreement
TypeStand-Alone First Mortgage
AmountAmount Recorded

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
Unified School DistrictCommack Union Free School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$3,890 (-) Land $330 Building $3,560$486,250 (+10,775.64%) Land $41,250 Building $445,000
2024$10,866.00
2023$3,890 Land $330 Building $3,560$4,471 Land $379 Building $4,092

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
Nearby Flood Policies4 in force
Nearby Flood Claims1 (2007)
Claims Outside the SFHA1 of 1
Most Recent ClaimJul 2007 · 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 420 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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