GIS (Geographic Information Services)
GIS Units


Mailing Address
City of San Antonio
515 S Frio St
San Antonio, TX 78207
Contact GIS


  • Kevin Holmes
    Chief GIS Officer, 210.207.7986
  • Frank Yang
    IT Manager (GIS), 210.207.0537
City of San Antonio (COSA) GIS

The City of San Antonio GIS Division is responsible for the creation, management, and dissemination of all geospatial data. Services include designing, managing, and updating all location based information. To ensure data integrity, industry standards and known best practices are utilized within the Enterprise GIS SDE Database. The display and dissemination of GIS data includes map production, web services, interactive maps and applications.

Various departments throughout the City of San Antonio utilize GIS and mapping technologies including: Development Services, Emergency Management, Environmental Policy, Parks & Recreation, Planning & Community Development, Public Safety (SAPD and SAFD), Public Works, and Solid Waste Management.

COSA GIS staff are subject matter experts organized into two teams – Enterprise and Data.

Enterprise GIS

  • Web Development
  • Database
  • CAD(Computer Aided Dispatch)/Public Safety

Data GIS

  • Public Service Unit
  • Infrastructure/Public Works
  • Public Safety

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GIs Division

Contact GIS
New arrivals
GIS Open Data

GIS Open Data

Please visit the NEW City of San Antonio GIS Open Data Site.GIS Open Data

COVID-19 Open Data


The City of San Antonio's COVID-19 Open Data page.GIS Open Data

One Stop Map

OneStop Map

New updated version for Planning & Zoning InformationOneStop Map