1. The Houston City Hall is a historic building located in the downtown area of Houston, Texas. It was completed in 1939 and has been a landmark of the city since then. The building is 178 feet tall and has 32 floors. It has an interesting mix of architectural styles, including Art Deco and Moderne. The lobby features a large mural painted by local artist, Jesse Jones. The building is the headquarters of the city government and is listed on the National Register of Historic Places.

2. The working hours of the Houston City Hall are from 8:00 am to 5:00 pm, Monday through Friday. The phone number for the City Hall is (713) 837-0311.

3. There are no tickets required to visit the Houston City Hall. However, visitors are required to go through a security screening before entering the building. The City Hall is accessible by various modes of transportation, including public transportation, taxis, and private vehicles. The METRORail red line serves the City Hall station which is located across the street from the building. There are also several public parking lots available near the City Hall for visitors who wish to drive.