Snellville City Hall is located near the intersection of highways 78 and 124. Many municipal offices are located within the stately brick building, which was dedicated in 2005. City Hall is located adjacent to the Snellville Senior Center, which was also dedicated in 2005.

The offices of the mayor, city council and city manager are located here. In addition, planning and development, the municipal court and budget and finance are within the City Hall building. Departments or offices located elsewhere in the city include police, public works and parks and recreation.

There is a regular meeting every second and fourth Monday of the month at 7:30pm. A work session is held at 6:30pm. On the fourth Monday, a public hearing is also held.