× Home › Property records › Suffolk County › Brookhaven › Osborne Ave › 28 Osborne Ave28 Osborne AveBrookhaven · Suffolk County · 117790000 $520,833 Full market value 210 · Residential
Owner of record
Owner Carpenter William A & Donna L &Katherine M Mills
Mailing address 28 OSBORNE AVE · RONKONKOMA, NY, 11779
Assessment · 2025 roll
Land assessed $150
Total assessed $2,500
Full market value $520,833
Est. annual tax $8,119 (2024, excl. special districts)
Lot
Size 0.17 acres
Lot sq ft 7,405
Services & districts
School district Sachem (472205)
Deed & identifiers
Deed book / page 12424 / 524
SBL 02007250006000420000
Print key 725.00-06-042.000
SWIS 472289
Parcel ID 47228902007250006000420000
Who owns 28 Osborne Ave? 28 Osborne Ave, Brookhaven is owned by Carpenter William A & Donna L &Katherine M Mills 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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