In 2013, 12,248 approved residential property owners in the Armstrong School District received a $293 Property Tax Relief reduction in their property taxes. In 2011, 12,365 approved residential property owners received a $290 Property Tax Relief reduction in their property taxes. In 2009, the Homestead/Farmstead Property Tax Relief from gambling for the Armstrong School District was $303 per approved permanent primary residence. In the district, 11,855 property owners applied for the tax relief. The relief was subtracted from the total annual school property tax bill. Property owners apply for the relief through the county Treasurer's office. Farmers can qualify for a farmstead exemption on building used for agricultural purposes. The farm must be at least 10 contiguous acres and must be the primary residence of the owner. Farmers can qualify for both the homestead exemption and the farmstead exemption. In Armstrong County, 77.33% of eligible property owners applied for property tax relief in 2009. In Indiana County, 65% of residents applied for property tax relief.