The town hall now stands where a fortress once stood.
The town hall of Rehburg-Loccum, which was renovated and extended in 1984, incorporates the old Amtshof, which was built in 1745 on the walls of the old Reheburgk. The Reheburgk was built in the 12th century by Count Otto the Strict of Lüneburg as a protective and defensive fortress against the rulers of Schaumburg and Hoya and against the Bishop of Mindern. The manor house was converted into a castle in 1359. In 1551, the western part was destroyed by fire. After another fire in 1859, the building was used as a drostei and official residence, then it housed the head forester's office and the forestry office. Since 1969, the building has been the administrative headquarters of the joint municipality of Rehburg, and after the regional reform in 1974 the administrative headquarters of the town of Rehburg-Loccum. The town hall owes its current appearance to a comprehensive renovation and structural extension in 1984.
The town hall building has public toilets and a toilet for people with disabilities, which are accessible during opening hours.