How many parcels are in Ontario?

Placestack has 4,282 parcel records for Ontario, Oregon.

What does a Ontario 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 Ontario zoning available?

Not yet for Ontario. Parcel records are available now.

How do I get Ontario parcel data?

Through the API, the MCP server or the map in the console.

Ontario, OR parcel data

Parcels: 4,282
Last updated: Jul 30, 2026
Zoning: Not yet
County: Malheur County

What each Ontario 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 · Ontario2.14 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 Ontario parcels through the API

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

Get an API key Read the API docs

curl -G 'https://api.placestack.com/v1/parcel' \
  -H "Authorization: Bearer $PLACESTACK_API_KEY" \
  --data-urlencode 'jurisdiction=jur_01m3n2c1vnf7csfy0pzd8r2825'

Frequently asked questions

How many parcels are in Ontario?: Placestack has 4,282 parcel records for Ontario, Oregon.
What does a Ontario 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 Ontario zoning available?: Not yet for Ontario. Parcel records are available now.
How do I get Ontario parcel data?: Through the API, the MCP server or the map in the console.

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