Is located on Satun Thani Road, Soi 5, opposite the Satun Provincial I.and Office. Construction was starred in 1898 and completed in 1916 by Phraya Phumnatphakdi or Tunku Baharutdin Bin Tammahong (formerly Kuden Binkumae, the ruler of Satun, during the reign of King Rama V.

The mansion was intended to be a royal residence during a royal visit of King Rama V to the South. However, the king did not stay overnight here.

The building was later used as an official residence and as the Satun Town Hall. Until World War II in around 1941, the building was occupied by Japanese soldiers as their command unit. It was also used as the Satun City Hall and other important official places. During 1997-2000, the Fine Arts Department renovated the Kuden Mansion into a western two-storey brick building.

Curved doors and windows are in the European architectural style of art. Its Thai-styled hip-roof is covered with Spanish terra cotta roof tiles. Window panels consist of wooden shutters. The top of the pediment is adorned with a star-shaped vent in accordance with Islamic architecture.