ABSTRACT The writing of this law is about a house located on the river border in Siak Regency. The formulation of the problem is whether the existence of a house on the Siak river border in Pekanbaru City is in accordance with Pekanbaru City Regional Regulation No. 7 of 2020 concerning the Pekanbaru City Development Plan for 2020-2040 and what steps are being taken by the government to overcom…