In 1995 Houston City Council created TIRZ #3. The Zone originally consisted of nine city blocks located in the northwest quadrant of the Central Business District. in 1998 approximately 65 city blocks were annexed into the Zone, including a corridor along Main Street through the Central Business District. In 2005, the City Council approved the addition of two city blocks located in the eastern portion of the Central Business District to the Zone and in 2007, Council approved the enlargement of the zone to include the city blocks that encompass various public buildings, including City Hall, the Jones Building and the Julia Ideson Building of the Central Library. City Council Council approved an addition of all the property adjacent to the Buffalo Bayou from the Sabine Street Bridge to Shepherd Drive in 2011. In 2019, City Council approved an expansion by adding the property commonly known as the “Warehouse District”, portions of I-69 and I-45, and finally the Southwest corner of Downtown. Most recently, City Council approved the deannexation of Sam Houston Park from the Zone in 2020. The Zone is currently scheduled to terminate on December 31, 2043.