NY Property Records

50 Hamlet Dr
Islip · Suffolk County

210 · Residential
Owner of record
OwnerL Koster Pers Residence Trst &
Mailing address50 HAMLET DR · HAUPPAUGE, NY, 11788
Assessment · 2025 roll
Land assessed$13,100
Total assessed$65,500
Est. annual tax$15,077 (2024, excl. special districts)
Lot
Size0.14 acres
Services & districts
School districtHauppauge (472806)
Recorded sales · 3
Deedno price statedSep 13, 2017
seller LOUIS KOSTER
buyer LOUIS KOSTER
Liber 12950, page 304
Deedno price statedSep 13, 2017
seller LOUIS KOSTER
Liber 12999, page 40
Deedno price statedSep 13, 2017
seller BETSY KOSTER
Liber 12999, page 41
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12999 / 40
SBL05000170001000010109
Print key17.-1-1.109
SWIS472889
Parcel ID47288905000170001000010109

Who owns 50 Hamlet Dr?

50 Hamlet Dr, Islip is owned by L Koster Pers Residence Trst & per the 2025 NYS assessment roll.
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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