× Home › Property records › Suffolk County › Southampton › Bittersweet Ave › 21 Bittersweet Ave21 Bittersweet AveSouthampton · Suffolk County 210 · Residential OpenValue $579,745 ▾
Owner of record
Owner Isolde Mc Mahon
Mailing address 21 BITTERSWEET AVE · HAMPTON BAYS, NY 11946, NY
Assessment · 2025 roll
Land assessed $225,900
Total assessed $327,800
Est. annual tax $2,571 (2024, excl. special districts)
Building
Style Unknown
Year built 1991
Living area 728 sq ft
Bedrooms 2
Full baths 1
Heat Hot wtr/stm
Fuel Oil
Services & districts
Water Comm/public
Sewer Private
Utilities Electric
School district Hampton Bays (473605)
Deed & identifiers
SBL 18700000010120000000
Print key 187.000-0001-012.000
SWIS 473689
Parcel ID 47368918700000010120000000
Who owns 21 Bittersweet Ave? 21 Bittersweet Ave, Southampton is owned by Isolde Mc Mahon per the 2025 NYS assessment roll.
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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.
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