R.I. Gen. Laws § 42-28-15
The superintendent shall from time to time establish headquarters or substations in such localities as he or she shall deem most suitable for the protection of the rural and suburban portions of the state and for the efficient performance of police duty in all parts of the state, and for that purpose he or she may, with the approval of the governor, acquire the right to use lands and buildings for the accommodation of the division, but not for a period in excess of five (5) years. And the superintendent is hereby authorized and empowered to purchase land in the name and behalf of the state and to erect suitable buildings thereon for use as state police barracks and garages, whenever an appropriation shall become available for expenditure therefor.
R.I. Gen. Laws § 42-28-15