In 2011, property tax relief for 2,502 approved residents of Fort Cherry School District was set at $180. In 2009, the Homestead/Farmstead Property Tax Relief from gambling for the Fort Cherry School District was $181 per approved permanent primary residence. In the district, 2,485 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 and must be the primary residence of the owner. Farmers can qualify for both the homestead exemption and the farmstead exemption. In Washington County, the highest tax relief went to Washington School District at $407 in 2009 and $414 in 2010. In Allegheny County, the highest property tax relief in 2009 was awarded to the approved property owners in Duquesne City School District at $346. The greatest tax relief in the Commonwealth of Pennsylvania was given to Chester Upland School District of Delaware County set at $632 in 2009 and $641 in 2010. In Washington County, 73% of eligible property owners applied for property tax relief in 2009.