ParcelioWilliamson County, Texas: parcel data and property records
284,235 Williamson County parcels on one searchable map: owner of record and mailing address, assessed and appraised values and recorded sales, plus lot boundaries and location. Screen by absentee ownership, acreage, year built and owner tenure.
What the data covers
These bars show real field-by-field coverage for Williamson County in our database, so you know exactly what you are getting before you search. Numbers refresh as the county publishes new records.
Not held for Williamson County: vacancy. Those fields are carried where the county publishes them.
Most recent recorded sale on file: 2026-10-28.
Areas covered
Parcel counts by place, largest first: Georgetown (65,463), Round Rock (58,366), Leander (37,024), Cedar Park (25,159), Hutto (21,757).
Recent sales
22,209 Williamson County parcels have a recorded sale dated since November 2025. Non-disclosure state: Texas does not require sale prices to be made public, so none is summarized here.
Nearest counties
- Travis County: about 25 mi away, 404,746 parcels
- Bell County: about 27 mi away, 162,399 parcels
- Burnet County: about 33 mi away, 49,536 parcels
- Milam County: about 39 mi away, 21,058 parcels
- Bastrop County: about 41 mi away, 63,408 parcels
Search Williamson County parcels
The map is free to browse - parcel lines, boundaries, and location. Owner of record, assessed values, recorded sales, year built and the full parcel report come with a plan that costs less than one hour of a title runner's time.
Explore the Williamson County map See plans
Common questions
How many parcels are in Williamson County, Texas?
Parcelio carries 284,235 parcel records for Williamson County, Texas, with owner information on 99 percent of them.
Can I find out who owns a property in Williamson County?
Yes. Search by owner name, address, or parcel number to pull the record: owner of record and mailing address, assessed values, recorded sales, year built and lot lines on the map. Sale records here currently run through 2026-10-28.
How do I find vacant land or absentee owners in Williamson County?
We do not hold vacancy data for Williamson County yet, so this filter has nothing to match there. Vacancy filters work in the counties where we hold the field. Williamson County does have owner mailing state: 16,776 parcels have an owner mailing address outside Texas.
Can I search Williamson County by lot size or acreage?
Yes. Acreage is on 100 percent of Williamson County parcels, mapped from the parcel boundary, and the advanced search filters on it directly - set a minimum and maximum to pull every tract in that range, then stack vacancy or absentee ownership on top.