NY Property Records
18 Duncan Ave
18 Duncan Ave
Brookhaven · Suffolk County · 117790000
$562,500Full market value210 · ResidentialSold $426,000 · Jul 2020
Owner of record
OwnerRomero Katherine &Yanez Santos Kenmer A
Mailing address18 DUNCAN AVE · RONKONKOMA, NY, 117790000
Assessment · 2025 roll
Land assessed$100
Total assessed$2,700
Full market value$562,500
Est. annual tax$8,768 (2024, excl. special districts)
Lot
Size0.15 acres
Lot sq ft6,534
Services & districts
School districtSachem (472205)
Recorded sales · 2
Deed$426,000Jul 31, 2020
seller D & N INVESTING INC.
buyer KATHERINE ROMERO
Liber 13068, page 88
Deed$241,000Sep 16, 2019
seller THERESA ANN MARI, ESQ. - REFEREE
buyer D & N INVESTING INC.
Liber 13036, page 620
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page13068 / 88
SBL02006890005000620000
Print key689.00-05-062.000
SWIS472289
Parcel ID47228902006890005000620000
Who owns 18 Duncan Ave?
18 Duncan Ave, Brookhaven is owned by Romero Katherine &Yanez Santos Kenmer A per the 2025 NYS assessment roll. It last sold for $426,000 in Jul 2020.
Nearby on Duncan 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
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