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Coverage / Texas / Williamson

Williamson County, TX parcel owner data

282,853 parcels with the owner of record. 282,853 carry an owner mailing address (100%), and 110,397 of those are absentee — the list investors mail first. Browsing is free and unlimited on the map; one credit turns any owner into a verified phone and email, and only if one comes back.

What a county file actually lands at. 5,158 of these rows (2%) are owned by a government body, a school or water district, a church, a cemetery or an HOA, and every list pull strips them — so a Williamson County file arrives at about 277,695 mailable rows, not 282,853. That is the number to price against.

282,853

Parcels

one place

110,397

Absentee owners

39% of rows

7

Out of state

0% of rows

62,032

LLC / trust owned

22% of rows

Why out-of-state is near zero here. That flag is read from the two-letter state before the ZIP at the end of the mailing address. Williamson County publishes most of its mailing addresses without a trailing state and ZIP, so the filter can only confirm 7. That is the filter's real answer for this county, not a rounding — an out-of-state pull here will come back nearly empty, and absentee is the flag to use instead.

What Williamson County publishes

A county is only as useful as the columns it fills in. This is measured on the rows themselves, not promised: how many of this county's 282,853 parcels carry each field.

Field coverage for Williamson County
FieldRowsShareCoverageStatus
Parcel numberThe county's own APN, exactly as published.282,853100%Complete
Latitude / longitudeParcel centroid. This is what puts the row on the map.282,853100%Complete
Owner of recordName as the assessor publishes it, second owner kept where there is one.282,853100%Complete
Property addressStreet address of the parcel itself.282,853100%Complete
Property ZIPNeeded for a ZIP-scoped pull.00%Not published
Owner mailing addressOne line, as published. This is what a mail piece is addressed to.282,853100%Complete
Mailing city / state as separate columnsSome counties publish the mailing address split into fields; most publish one line. Absentee and out-of-state are derived either way.282,345100%Complete
AcreageDeeded acres. Absent in Florida and Colorado counties.2,7851.0%Sparse
Assessed land valueLand only. There is no improvement or total value, so equity cannot be estimated.282,853100%Complete
Land use codeFree text from the county. Missing entirely in Texas and Florida, so a vacant-land filter matches nothing there.00%Not published

Read this before you filter. Property ZIP, Acreage, Land use code are under 40% populated in this county. A filter on them silently drops every row that has no value, so a range filter here will return far fewer records than the parcel count suggests.

Not in the record — for any county

  • Sale date, sale price, transfer history
  • Mortgage, lien, foreclosure or tax-delinquent status
  • Equity (there is no total value to subtract from)
  • Year built, square footage, beds and baths
  • Flood, wetlands, landlocked or road-frontage flags
  • Owner phone and email — those are traced on request, never stored on the parcel

Twelve real rows

Drawn deterministically by a hash of each row's own key, so these are the same twelve rows on every render and they spread across the county rather than down one street. Government, school, church and HOA owners are excluded, the way they are in a pull.

Sample parcel rows from Williamson County
ParcelOwnerProperty addressOwner mails fromAcresLand valueFlag
R626348GIDEON, AARON GREGORY & MELISSA CATHERINE & RONALD GREGORY301 PERFECT WORLD LOOP, JARRELL, TX 76537301 PERFECT WORLD LOOP—0Owner-occupied
R490632COOK, DAVID L & JUDY N838 RIVER WALK TRL, GEORGETOWN, TX 78633838 RIVER WALK TRL—0Owner-occupied
R515578KREIDER, CHAD P & RENATA L1007 JACK BRADLEY CV, ROUND ROCK, TX 786651007 JACK BRADLEY CV—0Owner-occupied
R393172LEE, GARRET M & VALERIE KANG-RUI HO1201 DILLON LAKE BND, LEANDER, TX 786411201 DILLON LAKE BND—0Owner-occupied
R545475STRICKLAND, STEVEN & JULI418 HENDELSON LN, HUTTO, TX 78634418 HENDELSON LN—0Owner-occupied
R645283CEDILLO, SOFIA ESTER321 MARTY ALLEN LOOP, JARRELL, TX 76537321 MARTY ALLEN LOOP—0Owner-occupied
R453681CLARK, BOBBY B & ANAVELL S321 CLIFFWOOD DR, GEORGETOWN, TX 78633321 CLIFFWOOD DR—0Owner-occupied
R448344BUCH, NATHANIEL L1961 CREEK CREST WAY, ROUND ROCK, TX 786641961 CREEK CREST WAY—0Owner-occupied
R302416ROWE, EMILY BETH & ALEX GERARD17836 PARK VALLEY DR, ROUND ROCK, TX 7868117836 PARK VALLEY DR—0Owner-occupied
R514809DANCER, STEVEN W & AARON A304 LISMORE ST, HUTTO, TX 78634304 LISMORE ST—0Owner-occupied
R016190WELLS, CHRISTOPHER405 OLD THORNDALE RD, TAYLOR, TX 76574405 OLD THORNDALE RD—0Owner-occupied
R076264DRAVES, JEFFREY TRUSTEE OF THE JEFFREY DRAVES DECLARATION OF TRUST11314 BRISTLE OAK TRL, AUSTIN, TX 7875011314 BRISTLE OAK TRL—0Owner-occupied

Public record data as published by the county. Phone and email are never shown here; they are resolved per owner, on request, with a right-party score.

What you can do with Williamson County owner data

Pull every absentee owner in a ZIP and export the mailing addresses for a direct-mail campaign. Draw a box around a subdivision on the map and skip-trace the whole block in one job. Look up who owns the lot next to a listing, then call them with a scored number instead of sending a letter that gets thrown away.

Where the data comes from

Parcel boundaries, owner of record and mailing addresses are public records maintained by the county assessor or GIS office. Quarry pulls them from the county's own published services and refreshes on the county's cycle; the counts on this page were measured 2026-09-09. Phone and email come from the skip-trace engine, cross-checked across sources and scored, and you are only charged when a contact is found.