NY Property Records
23 Sydney Ave
23 Sydney Ave
Brookhaven · Suffolk County · 117380000
$665,625Full market value210 · ResidentialSold $624,000 · Mar 2025
Owner of record
OwnerMancuso Alyssa & Mandarino John
Mailing address23 SYDNEY AVE · FARMINGVILLE, NY, 117380000
Assessment · 2025 roll
Land assessed$300
Total assessed$3,195
Full market value$665,625
Est. annual tax$10,376 (2024, excl. special districts)
Lot
Size0.35 acres
Lot sq ft15,246
Services & districts
School districtSachem (472205)
Recorded sales · 2
Deed$624,000Mar 12, 2025
seller JOSEPH J MANDARINO
buyer JOHN MANDARINO
Liber 13289, page 152
Deed$463,000Aug 23, 2024
seller ROBERT D. GRUNDFAST
buyer JOSEPH J. MANDARINO
Liber 13271, page 267
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13289 / 152
SBL02005690007000010000
Print key569.00-07-001.000
SWIS472289
Parcel ID47228902005690007000010000
Who owns 23 Sydney Ave?
23 Sydney Ave, Brookhaven is owned by Mancuso Alyssa & Mandarino John per the 2025 NYS assessment roll. It last sold for $624,000 in Mar 2025.
Nearby on Sydney 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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