Dallas Central Appraisal District
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GIS Data Products

These files are all .ZIP files and are quite large in size. It may take a few minutes to download, depending on your internet speed. Each download zip file contains reference documents explaining the fields contained within the files. All GIS Data is provided in shapefile format.  You will need WinZip or PKZip to unzip the files before use.  You will also need special GIS software to use the data.  A number of products are available including:

Other products may also be available from other vendors which may be suitable for your use.

DISCLAIMER: These products are for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. It does not represent an on-the-ground survey and represents only the approximate relative location of property boundaries.

UPDATE: Please read the documentation included with the download as it has recently changed.

From Deeds Filed with Dallas County Clerk

Survey Abstracts - Original Texas Land Grants.

Block IDs - Block identifiers for a platted city block. Now incorporate old Dallas City Block numbers.

Condo Parcels - Define a parcel that represents a condo property.

Current 2025 Parcels - Property boundaries legally defined by recorded deed at County Clerk’s office for the current tax year.

Historic 2024 Parcels - Certified property boundaries legally defined by recorded deed at County Clerk’s office for the 2024 tax year.

Historic 2023 Parcels - Certified property boundaries legally defined by recorded deed at County Clerk’s office for the 2023 tax year.

Historic 2022 Parcels - Certified property boundaries legally defined by recorded deed at County Clerk's office for the 2022 tax year.

Historic 2021 Parcels - Certified property boundaries legally defined by recorded deed at County Clerk's office for the 2021 tax year.

Historic 2020 Parcels - Certified property boundaries legally defined by recorded deed at County Clerk’s office for the 2020 tax year.

Parcel Dimensions - Legal dimensions of property boundaries.

Parcel IDs - Lot and tract numbers.

Subdivisions - Platted subdivision boundaries.

From Ordinances Filed with City

City Boundaries - Based on city ordinance.

Tax Increment Finance Zones - Economic development areas. Based on city ordinance.

Special District Boundaries - Utility district areas. Based on city ordinance.

Independent School Districts - Defined by each school district.

From Ordinances Filed with County

County Boundaries - Defined by county commissioner's order.

Residential Classification Areas

Neighborhoods - Properties classified by common elements affecting value.



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