× Home › Property records › St Lawrence County › De Kalb › Cr 18 › 643 Cr 18643 Cr 18De Kalb · St Lawrence County $215,890 Full market value 112 · Agricultural
Owner of record
Owner O'Neill, Thomas
Also O'Neill, Roberta
Mailing address 643 County Route 18 · Richville, NY, 13681
Assessment · 2025 roll
Land assessed $109,000
Total assessed $157,600
Full market value $215,890
Est. annual tax $5,093 (2024, excl. special districts)
Building
Style Old style
Year built 1920
Living area 1,275 sq ft
Bedrooms 2
Full baths 1
Heat Hot air
Fuel Oil
Services & districts
Water Private
Sewer Private
Utilities Electric
School district Hermon-Dekalb (404401)
Deed & identifiers
SBL 13100100010170110000
Print key 131.001-1-17.11
SWIS 403089
Parcel ID 40308913100100010170110000
Who owns 643 Cr 18? 643 Cr 18, De Kalb is owned by O'Neill, Thomas per the 2025 NYS assessment roll.
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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.
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