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Responsible for the City's Master plan, regulation of land and building development. Responsible for zoning, building codes, contractor licensing, tree preservation, mapping, traffic impact analysis and administering the City's Unified Development Code.

The primary purpose of the Office of Historic Preservation is to preserve and protect the unique historic structures, archaeological sites, and design features of San Antonio. On August 10, 1967, City Council passed and approved an enabling ordinance that created the Board of Review for historic districts. The ordinance also set forth the rules and guidelines for creating historic districts, regulations for exterior changes to historic structures and sites, and the process concerning applications for permits.

The Edwards Aquifer Authority manages, enhances, and protects the Edwards Aquifer, one of the major groundwater systems in Texas serving approximately 1.7 million people. This expansive, natural underground water resource extends 180 miles from Brackettville in Kinney County to Kyle in Hays County.