NY Property Records
15 Classon Ave
15 Classon Ave
Brookhaven · Suffolk County · 119500000
$360,416Full market value210 · ResidentialSold $320,000 · Nov 2023
Owner of record
OwnerDempsey Michael B
Mailing address15 CLASSON AVE · MASTIC, NY, 119500000
Assessment · 2025 roll
Land assessed$160
Total assessed$1,730
Full market value$360,416
Est. annual tax$5,671 (2024, excl. special districts)
Lot
Size0.18 acres
Lot sq ft7,841
Services & districts
School districtWilliam Floyd (472232)
Recorded sales · 2
Deed$320,000Nov 1, 2023
seller I, LLC MASTIC DEVELOPMENT PROPER
buyer MICHAEL B DEMPSEY
Liber 13237, page 505
Deed$290,000Aug 31, 2022
seller AS EXECUTOR WACLAW J. DUBICKI
buyer PROPERTIES I LLC MASTIC DEVELOPMENT
Liber 13182, page 871
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13237 / 505
SBL02008240008000230000
Print key824.00-08-023.000
SWIS472289
Parcel ID47228902008240008000230000
Who owns 15 Classon Ave?
15 Classon Ave, Brookhaven is owned by Dempsey Michael B per the 2025 NYS assessment roll. It last sold for $320,000 in Nov 2023.
Nearby on Classon Ave
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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