Yes, some parts of Houston are below sea level. Houston’s elevation varies significantly across the city, with some areas lying below sea level. This is particularly true for neighborhoods located closer to the Gulf of Mexico, such as parts of the East End and areas near the Houston Ship Channel.
The city’s topography is relatively flat, with an average elevation of about 43 feet (13 meters) above sea level. However, certain low-lying areas can be as much as 10 feet (3 meters) below sea level. This makes Houston susceptible to flooding, especially during heavy rainfall or hurricanes, as water can accumulate in these lower areas.
Houston’s elevation challenges have led to significant efforts in flood management and infrastructure development to mitigate the risks associated with its low-lying geography.