NY Property Records
3 Mallard Ave
3 Mallard Ave
Brookhaven · Suffolk County · 117840000
$458,334Full market value210 · Residential
Owner of record
OwnerDennis F Duffy Family Trust &Dorothy A Duffy Family Trust
Mailing address3 MALLARD AVE · SELDEN, NY, 117840000
Assessment · 2025 roll
Land assessed$170
Total assessed$2,200
Full market value$458,334
Est. annual tax$8,465 (2024, excl. special districts)
Lot
Size0.22 acres
Lot sq ft9,583
Services & districts
School districtMiddle Country (472211)
Recorded sales · 1
Deedno price statedSep 1, 2020
seller DENNIS DUFFY
buyer DENNIS DUFFY FAMILY TRUST
Liber 13102, page 757
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13102 / 757
SBL02004710004000260000
Print key471.00-04-026.000
SWIS472289
Parcel ID47228902004710004000260000
Who owns 3 Mallard Ave?
3 Mallard Ave, Brookhaven is owned by Dennis F Duffy Family Trust &Dorothy A Duffy Family Trust per the 2025 NYS assessment roll.
Nearby on Mallard 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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