NY Property Records
21 Mill Dr
21 Mill Dr
Brookhaven · Suffolk County · 119510000
$354,167Full market value210 · Residential
Owner of record
OwnerSlack Geoffrey & Deborah
Mailing address21 MILL DR · MASTIC BEACH, NY, 11951
Assessment · 2025 roll
Land assessed$300
Total assessed$1,700
Full market value$354,167
Est. annual tax$4,956 (2024, excl. special districts)
Lot
Size0.75 acres
Lot sq ft32,670
Services & districts
School districtWilliam Floyd (472232)
Deed & identifiers
SBL02009749007000050000
Print key974.90-07-005.000
SWIS472289
Parcel ID47228902009749007000050000
Who owns 21 Mill Dr?
21 Mill Dr, Brookhaven is owned by Slack Geoffrey & Deborah per the 2025 NYS assessment roll.
Nearby on Mill Dr
22 Mill Dr · 20 Mill Dr · 24 Mill Dr · 17 Mill Dr · 26 Mill Dr · 16 Mill Dr · 27 Mill Dr · 15 Mill Dr · 28 Mill Dr · 14 Mill Dr
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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