Old Westbury parcel data

Parcel records for Old Westbury, New York: owners, assessed values, sales and boundaries.
Parcels
1,429
Last updated
Oct 4, 2026
Zoning
Not yet
County
Nassau County

What each Old Westbury parcel record includes

  • Parcel number and boundary
  • Owners of record and mailing address
  • Assessed and market value
  • Most recent sale: price, date and deed
  • Lot size, land use and property class
  • Building: year built, area and units
  • Legal description
  • Zoning district
Example parcel · Old Westbury2.14 ac
Parcel number0651-45-8213
Owner of recordExample Holdings LLC
Market value 2026$486,300
Last sale$412,000 · 2021
Land useSingle family
Year built1998

Get Old Westbury parcels through the API

Search by address, owner, lot size, value or sale date.

Get an API keyRead the API docs 
curl -G 'https://api.placestack.com/v1/parcel' \
  -H "Authorization: Bearer $PLACESTACK_API_KEY" \
  --data-urlencode 'jurisdiction=jur_01m3n2c1thece9k4v7fbedq2q7'

Frequently asked questions

How many parcels are in Old Westbury?
Placestack has 1,429 parcel records for Old Westbury, New York.
What does a Old Westbury parcel record include?
The parcel number and boundary, owners of record and their mailing address, assessed and market value, the most recent sale, lot size, land use, the main building and the legal description.
Is Old Westbury zoning available?
Not yet for Old Westbury. Parcel records are available now.
How do I get Old Westbury parcel data?
Through the API, the MCP server or the map in the console.

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