- Parcels
- 290,653
- Last updated
- Sep 28, 2026
- Cities and towns
- 15
- Zoning
- Not yet
Cities and towns in Williamson County
- Bartlett1,702 parcelsCity
- Cedar Park25,380 parcelsCity
- Coupland260 parcelsCity
- Florence537 parcelsCity
- Georgetown41,219 parcelsCity
- Granger753 parcelsCity
- Hutto16,820 parcelsCity
- Jarrell2,062 parcelsCity
- Leander32,829 parcelsCity
- Liberty Hill3,321 parcelsCity
- Pflugerville22,331 parcelsCity
- Round Rock39,810 parcelsCity
- Taylor8,554 parcelsCity
- Thrall483 parcelsCity
- Weir203 parcelsCity
What each Williamson County 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 · Williamson County2.14 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 Williamson County parcels through the API
Search by address, owner, lot size, value or sale date.
curl -G 'https://api.placestack.com/v1/parcel' \ -H "Authorization: Bearer $PLACESTACK_API_KEY" \ --data-urlencode 'fips=48491'
Frequently asked questions
- How many parcels are in Williamson County?
- Placestack has 290,653 parcel records for Williamson County, Texas.
- What does a Williamson County 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 Williamson County zoning available?
- Not yet for Williamson County. Parcel records are available now.
- How do I get Williamson County parcel data?
- Through the API, the MCP server or the map in the console.
Get Williamson County parcel data
Start free. No credit card required. Missing a county? Request it.