NY Property Records
23 Mercury Ave
23 Mercury Ave
Brookhaven · Suffolk County · 117720000
$593,750Full market value210 · Residential
Owner of record
OwnerMuldoon John & Janice
Mailing address23 MERCURY AVE · PATCHOGUE, NY, 11772
Assessment · 2025 roll
Land assessed$250
Total assessed$2,850
Full market value$593,750
Est. annual tax$9,667 (2024, excl. special districts)
Lot
Size0.28 acres
Lot sq ft12,197
Services & districts
School districtSouth Country (472204)
Recorded sales · 1
Deedno price statedAug 8, 2025
seller JOHN J. MULDOON
buyer LAURA MULDOON AS TRUSTEE
Liber 13312, page 618
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13312 / 618
SBL02008980002001070000
Print key898.00-02-107.000
SWIS472289
Parcel ID47228902008980002001070000
Who owns 23 Mercury Ave?
23 Mercury Ave, Brookhaven is owned by Muldoon John & Janice per the 2025 NYS assessment roll.
Nearby on Mercury 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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