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Williamson County
OpenT1FIPS 48491 · Tier 1 — Major metro
Data update cadence: 8-hourly once onboarded
The county CAD portal has been probed and is addressable without a formal records request. Onboarding is a data-engineering task, not a legal one.
Recon
Classification: PARTIAL
Portal: search.wcad.org; wcad.org/appeal-results-2025 (PowerBI embed)
Blitz 2026-07-06: appeal results published as a Power BI embed (2026 slug 404s). Strong free roll: gis.wilco.org county_wcad_parcels/MapServer/0 with owner + assessed/market values.
License this county
ARB Feed / season
$999
Lead Lists / season
$2,500
Setup (one-time)
$750
List price for a T1 county. Bundle 3+ counties for -20%, 10+ for -40% with the API free. Pre-launch — no charge yet.