Billings could purchase $17 million Stillwater building for law and justice center. MTN News / Mitch Lagge and last updated 2021-07-12 19:41:55-04 BILLINGS â At its Monday meeting, the Billings City Council will see a buy/sell agreement to purchase the Stillwater building and its land from Alaska-based WC Commercial LLC for a price of $17 million, according to the Council agenda. The 200,000 square foot building would add more space for cramped city offices, police department and municipal court and consolidate them to one downtown location. A 2019 facilities master plan identified the need for more space as the city grows over the next 50 years, according to the agenda.