NY Property Records
9 Union St
9 Union St
Brookhaven · Suffolk County · 11764
$1,086,459Full market value210 · ResidentialSold $704,900 · Feb 2020
Owner of record
OwnerMongiardo Michael
Mailing address9 UNION ST · MILLER PLACE, NY, 11764
Assessment · 2025 roll
Land assessed$350
Total assessed$5,215
Full market value$1,086,459
Est. annual tax$20,146 (2024, excl. special districts)
Lot
Size0.5 acres
Lot sq ft21,780
Services & districts
School districtMiller Place (472208)
Recorded sales · 1
Deed$704,900Feb 11, 2020
seller SANDRA ROMAGNOLO
buyer MICHAEL MONGIARDO
Liber 13048, page 394
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13048 / 394
SBL02002130008000350005
Print key213.00-08-035.005
SWIS472289
Parcel ID47228902002130008000350005
Who owns 9 Union St?
9 Union St, Brookhaven is owned by Mongiardo Michael per the 2025 NYS assessment roll. It last sold for $704,900 in Feb 2020.
Nearby on Union St
9 Union St · 8 Union St · 10 Union St · 7 Union St · 6 Union St · 12 Union St · 5 Union St · 4 Union St · 3 Union St · 2 Union St
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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