New Private Housing Structures Authorized by Building Permits for Sweet Grass County, MT was 3.00000 Units in January of 2022, according to the United States Federal Reserve. Historically, New Private Housing Structures Authorized by Building Permits for Sweet Grass County, MT reached a record high of 34.00000 in January of 1999 and a record low of 0.00000 in January of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for New Private Housing Structures Authorized by Building Permits for Sweet Grass County, MT - last updated from the United States Federal Reserve on May of 2024.