NY Property Records
150 Mt Beulah Ave
150 Mt Beulah Ave
Southold · Suffolk County · 11971
$1,254,545Full market value210 · ResidentialSold $1,395,000 · Jul 2025
Owner of record
OwnerDuffy, Mary Ann
Mailing address150 Mt Beulah Ave · Southold, NY, 11971
Assessment · 2025 roll
Land assessed$1,600
Total assessed$6,900
Full market value$1,254,545
Est. annual tax$11,547 (2024, excl. special districts)
Lot
Size1.01 acres
Services & districts
WaterUnknown
SewerUnknown
UtilitiesUnknown
School districtSouthold (473805)
Recorded sales · 1
Deed$1,395,000Jul 2, 2025
seller MARY ANN DUFFY
buyer THERESA A. GRIMMIG
Liber 13306, page 328
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13306 / 328
SBL05100000030020040000
Print key51.-3-2.4
SWIS473889
Parcel ID47388905100000030020040000
Who owns 150 Mt Beulah Ave?
150 Mt Beulah Ave, Southold is owned by Duffy, Mary Ann per the 2025 NYS assessment roll. It last sold for $1,395,000 in Jul 2025.
Nearby on Mt Beulah 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
Search by name or address · Browse all records