Southeast Texas Addressing and Referencing Map (STAR*Map)

The acronym STAR*Map is the trademarked name for the Southeast Texas Addressing and Referencing Map. STAR*Map is maintained by the Houston-Galveston Area Council (H-GAC), and is a digital address point, road centerline, and zip code database that covers a multi-county region, including all of Harris, Fort Bend, Brazoria, Liberty, Montgomery, Galveston, Wharton, Waller, Austin, Chambers, Colorado, Matagorda and Walker Counties. The STAR*Map data area is provided in ArcGIS File Geodatabase (FGDB) as well as shapefile formats. Attributes include: block address information, street names, street types, and many additional feature attributes.

STAR*Map Status Report

STAR*Map is released monthly. The latest release was generated on November 19, 2024.

STAR*Map includes 2,587,606 address points, 457,451 roadway centerlines, 261 zipcodes and sidewalks for this release. The service has been updated to reflect this release.

STAR*Map Sample

Download the STAR*MAP sample.

STAR*Map Products

Large Geographies Subscription STAR*Map Price
County, Region, or Population > 250K  
Monthly update $18,900
Small Geographies Subscription STAR*Map Price
Population 50K - 250K  
Monthly update $9,000
Quarterly update $6,000
Population 10K - 50K  
Monthly update $6,000
Quarterly update $4,000
Population <10K  
Monthly update $3,000
Quarterly update $2,000
Single Copy Purchase STAR*Map Price
Onetime Purchase (Regardless of population size) $2,000

Single Copy Purchase

A single copy of the STAR*Map product can be purchased using our STAR*Map online order form.

Please contact the H-GAC GIS Program at [email protected] for information on how to purchase a subscription.

STAR*Map Disclaimer

The maps and data presented herein are intended for general reference only. The Houston-Galveston Area Council makes no claim as to its accuracy and neither assumes nor will accept liability for its use. STAR*Map is a registered trademark of the Houston-Galveston Area Council and the Geographic Data Workgroup. They require use of the trademark with the map product, for three reasons:

  1. To protect against re-packaging of this public data for resale as a proprietary product.
  2. To advise the public of the source of the data.
  3. To acknowledge the labor of the contributors who make STAR*Map possible.

Pricing and availability listed on this website are subject to change, and do not constitute any contractual commitment until an order has been placed via our online ordering system. Furthermore, H-GAC does not make any service level agreement guarantees on availability of online map services that may be affiliated with this product.

These products, data, and/or tools are for informational purposes only and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. They do not represent an on-the-ground survey and represent only the approximate relative location of property boundaries. Mapping may not reflect on the ground conditions. The Houston-Galveston Area Council makes no further claims as to the accuracy or reliability of the data, and neither assumes, nor will accept liability for their use. Use or reproduction of this data without acknowledging the Houston-Galveston Area Council as the source is strictly prohibited.

The Houston-Galveston Area Council will not provide refunds once data has been delivered or shipped to customer. All sales are final once shipped or provided via delivery or FTP.

The Houston-Galveston Area Council does not provide prior purchased data as a restoration for lost or corrupted data previously purchases. Customers should ensure that all data is properly backed up and stored to prevent loss of data.