× Home › Property records › Suffolk County › Smithtown › Demont St › 21 Demont St21 Demont StSmithtown · Suffolk County · 11787 $884,375 Full market value 210 · Residential OpenValue $980,038 ▾
Owner of record
Owner Lackowitz, Jeffrey
Also Kaufman, Jennifer
Mailing address 21 Demont St · Smithtown, NY, 11787
Assessment · 2025 roll
Land assessed $300
Total assessed $7,075
Full market value $884,375
Est. annual tax $16,792 (2024, excl. special districts)
Building
Style Colonial
Year built 1966
Living area 2,898 sq ft
Bedrooms 4
Full baths 2
Heat Hot wtr/stm
Fuel Oil
Services & districts
Water Comm/public
Sewer Private
Utilities Electric
School district Smithtown (473401)
Deed & identifiers
SBL 07900000050040000000
Print key 79.-5-4
SWIS 473489
Parcel ID 47348907900000050040000000
Who owns 21 Demont St? 21 Demont St, Smithtown is owned by Lackowitz, Jeffrey 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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