East, San Antonio, TX is located between Highway 181 and Interstate 35 east of downtown San Antonio. Some of the zip codes in the east San Antonio, TX area include: 78218, 78219, 78220, and 78210. Search homes for sale in the East San Antonio, TX area. View single family homes, condos, garden homes, and new construction for sale in the east San Antonio, Bexar County, Texas. For more info about any of these East San Antonio real estate listings, click the "Request More Information" button.