Data Catalog

• City

  Collin CAD Appraisal Data - 2020

  City of Austin —

  2020 Certified Appraisal Data with supplemental updates

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Appraisal Data - Preliminary

  City of Austin —

  Current Year Preliminary Appraisal Data

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Abstract/Subdivision List

  City of Austin —

  Abstract, Condominium, Subdivision, and Mobile Home Park listing with improvement & land adjustment factors for the current and previous five years

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Appraisal Data - 2025

  City of Austin —

  2025 Certified Appraisal Data with supplemental updates

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Building Permits

  City of Austin —

  Collin CAD Building Permits data issued in the most recent three years

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Appraisal Data - 2022

  City of Austin —

  2022 Certified Appraisal Data with supplemental updates

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Protest Data

  City of Austin —

  ARB Protest & Hearing data for past three years

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Public List - Absolute Exemptions

  City of Austin —

  Collin CAD Absolute Exemption List (Texas Administrative Code 9.3011)

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Appraisal Data - 2021

  City of Austin —

  2021 Certified Appraisal Data with supplemental updates

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Appraisal Data - 2023

  City of Austin —

  2023 Certified Appraisal Data with supplemental updates

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Value History

  City of Austin —

  Taxing Entity certified value history by year

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Owner Prop List

  City of Austin —

  Most current owner property list

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Neighborhood List

  City of Austin —

  Neighborhood listing with improvement & land adjustment factors for the current and previous five years

  • CSV
  • RDF
  • JSON
  • XML
• Federal

  Soil-water-balance model and data used in the hydrogeologic investigation, framework, and conceptual flow model of the Antlers aquifer, southeastern Oklahoma, 1967–2022

  Department of the Interior —

  This archive contains the data used to (1) summarize the hydrogeology and update the hydrogeologic framework of the Antlers aquifer in southeastern Oklahoma, and (2)...

  • XML
• City

  Collin CAD Public List - Partial Exemption

  City of Austin —

  Collin CAD Partial Exemption Lists (Texas Administrative Code 9.3010)

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Public List - Ag Property

  City of Austin —

  Collin CAD Open-Space Land Valuation; Agricultural Use Valuation; Timber Use Valuation; Recreational, Park, and Scenic Land Valuation; and Public Access Airport...

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Agent Prop List

  City of Austin —

  Most current tax agent/rep property list

  • CSV
  • RDF
  • JSON
  • XML
• City

  Collin CAD Appraisal Data - 2024

  City of Austin —

  2024 Certified Appraisal Data with monthly supplemental updates

  • CSV
  • RDF
  • JSON
  • XML

You can also access this registry using the API (see API Docs).

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