Algonquin parcel data

Parcel records for Algonquin, Illinois: owners, assessed values, sales and boundaries.
Parcels
11,777
Last updated
Oct 2, 2026
Zoning
Not yet
County
McHenry County

Algonquin spans McHenry County and Kane County.

What each Algonquin 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 · Algonquin2.14 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 Algonquin 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_01m3n2c1p5eyergb2kr65q7n90'

Frequently asked questions

How many parcels are in Algonquin?
Placestack has 11,777 parcel records for Algonquin, Illinois.
What does a Algonquin 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 Algonquin zoning available?
Not yet for Algonquin. Parcel records are available now.
How do I get Algonquin parcel data?
Through the API, the MCP server or the map in the console.

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