× Home › Property records › Montgomery County › Amsterdam, City › Clark Ave › 23 Clark Ave23 Clark AveAmsterdam, City · Montgomery County $226,471 Full market value 411 · Commercial
Owner of record
Owner Kowalski, Thomas F
Also Kowalski, William J
Mailing address 23 Clark Ave · Amsterdam, NY, 12010
Assessment · 2025 roll
Land assessed $12,200
Total assessed $77,000
Full market value $226,471
Est. annual tax $5,138 (2024, excl. special districts)
Building
Use Walk-up apt
Year built 1930
Lot
Size 0.19 acres (GIS)
Frontage × depth 88 × 100 ft
Services & districts
Water Comm/public
Sewer Comm/public
Utilities Gas & elec
School district Amsterdam (270100)
Deed & identifiers
SBL 04001700020490000000
Print key 40.17-2-49
SWIS 270100
Parcel ID 27010004001700020490000000
Who owns 23 Clark Ave? 23 Clark Ave, Amsterdam, City is owned by Kowalski, Thomas F per the 2025 NYS assessment roll.
Copy link to this record
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