The U.S. city of San Antonio, Texas is home to 18 skyscrapers at least 100 feet (30 m) feet tall. The tallest structure in the city, excluding radio antennae, is the Tower of the Americas. standing 750 feet (229 m) tall. Completed in 1968, it is the tallest structure in Texas (excluding radio antennae) south of Houston, the second tallest observation tower in the United States, and the 97th tallest tower in the world. The second tallest structure and tallest building in the city is the Marriott Rivercenter, which is one of the tallest hotels in the world. The history of skyscrapers in San Antonio began with the construction of the Tower Life Building (originally the Smith-Young Tower) in 1928, which is often regarded as the first skyscraper in the city. San Antonio went through a skyscraper boom in the 1970s and 1980s, which resulted in the construction of exactly half of the skyscrapers in the city being built. Some are predicting the city is about to go through a second building boom, with 5 buildings at least 100 feet (30 m) tall planned for construction or under construction. One of these is the Frost Bank Headquarters, which is estimated to rise to be 653 feet (199 m) tall, which will make it the second tallest structure and tallest building in city upon completion, as well as the tallest office building.
This lists ranks San Antonio high-rises that stand at least 100 feet (30 m) tall, based on standard height measurement. This includes spires and architectural details but does not include antenna masts. An equal sign (=) following a rank indicates the same height between two or more buildings. The "Year" column indicates the year in which a building was completed.