He served two one-year terms as mayor of Houston in 1841 and 1842, establishing the first city hall in is second year.
[1] As Mayor of Houston, Andrews worked with the City Council to establish a wharf tax to create revenue for improvements to the port.
Andrews also led an effort to clear ship wrecks and other debris from the channel.
[1] Andrews imported materials from the east coast of the United States and built a Greek Revival house in Houston in 1838.
The house was located on land owned by his business partner, Thomas M. League.