Southbury Town Hall is where you can find the offices of most of the local governmental departments. The Probate Court is on the first floor. The second floor houses the offices of the assessor, town clerk, tax collector, animal control department, treasurer, Inland Wetlands and Watercourses Agency, Registrar of Voters and First Selectman. The office of the fire marshal, department of building, planning and zoning are on the third floor. Most of the municipal boards and commissions hold their public meetings in the building.