NY Property Records
18 Thomas St
18 Thomas St
Islip · Suffolk County
210 · Residential
Owner of record
OwnerMaria G Umana &Robert Monette
Mailing address18 THOMAS ST · BRENTWOOD, NY, 11717
Assessment · 2025 roll
Land assessed$11,000
Total assessed$35,900
Est. annual tax$7,991 (2024, excl. special districts)
Lot
Size0.38 acres
Services & districts
School districtBrentwood (472812)
Recorded sales · 1
Deedno price statedSep 7, 2017
seller FRANK PETROCELLI AS ADMINSTRA
buyer FRANK PETROCELLI
Liber 12929, page 143
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page12929 / 143
SBL05000350001000010000
Print key35.-1-1
SWIS472889
Parcel ID47288905000350001000010000
Who owns 18 Thomas St?
18 Thomas St, Islip is owned by Maria G Umana &Robert Monette per the 2025 NYS assessment roll.
Nearby on Thomas 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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