NY Property Records
21 School St
21 School St
Madrid · St Lawrence County
$162,174Full market value210 · Residential
Owner of record
OwnerGwinn, Cathy (Lu)
Mailing address21 School St · Madrid, NY, 13660
Assessment · 2025 roll
Land assessed$9,800
Total assessed$111,900
Full market value$162,174
Est. annual tax$4,474 (2024, excl. special districts)
Building
StyleManufd housing
Year built2010
Living area1,656 sq ft
Bedrooms3
Full baths2
HeatHot air
FuelOil
Lot
Size4.57 acres
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtMadrid-Waddington (405601)
Recorded sales · 1
Deed$1Aug 25, 2023
seller WILLIAM BARKLEY
buyer CATHY (LU) GWINN
Liber 2023, page 10774
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page2023 / 10774
SBL04107700010050020000
Print key41.077-1-5.2
SWIS405600
Parcel ID40560004107700010050020000
Who owns 21 School St?
21 School St, Madrid is owned by Gwinn, Cathy (Lu) per the 2025 NYS assessment roll.
Nearby on School St
Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it. Disclaimer · Request redaction
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