Diamond Bar parcel data

Parcel records for Diamond Bar, California: owners, assessed values, sales and boundaries.
Parcels
18,766
Last updated
Sep 30, 2026
Zoning
Not yet
County
Los Angeles County

What each Diamond Bar 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 · Diamond Bar2.14 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 Diamond Bar 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_01m3n2c1npfgbvhn9nh9j20c8h'

Frequently asked questions

How many parcels are in Diamond Bar?
Placestack has 18,766 parcel records for Diamond Bar, California.
What does a Diamond Bar 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 Diamond Bar zoning available?
Not yet for Diamond Bar. Parcel records are available now.
How do I get Diamond Bar parcel data?
Through the API, the MCP server or the map in the console.

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