NY Property Records
18 Boltwood Ave
18 Boltwood Ave
Castleton-on-Hudson · Rensselaer County
$415,567Full market value210 · ResidentialSold $440,000 · Dec 2023
Owner of record
OwnerAltwerger, Mark C
AlsoAltwerger, Roberta
Mailing address18 Boltwood Ave · Castleton-on-Hudson, NY, 120331007
Assessment · 2025 roll
Land assessed$33,600
Total assessed$255,200
Full market value$415,567
Est. annual tax$9,707 (2024, excl. special districts)
Building
StyleColonial
Year built1970
Living area2,706 sq ft
Bedrooms4
Full baths3
HeatHot air
FuelGas
Lot
Size0.54 acres
Frontage × depth142 × 184 ft
Services & districts
WaterComm/public
SewerComm/public
UtilitiesGas & elec
School districtSchodack (384401)
Recorded sales · 1
Deed$440,000Dec 1, 2023
seller RICHARD ALTWERGER
buyer MARK ALTWERGER
Liber 10573, page 327
From NYS RP-5217 transfer reports. For the deed itself, use the liber and page at the county clerk.
Deed & identifiers
Deed book / page10573 / 327
SBL19801200010240000000
Print key198.12-1-24
SWIS384401
Parcel ID38440119801200010240000000
Who owns 18 Boltwood Ave?
18 Boltwood Ave, Castleton-on-Hudson is owned by Altwerger, Mark C per the 2025 NYS assessment roll. It last sold for $440,000 in Dec 2023.
Nearby on Boltwood 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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