Nine years after first filing for real estate tax exemption, an historic office building in Pennsylvania has been granted a full charitable exemption. The Pennsylvania Commonwealth Court has reversed a trial court determination that only 72% of the property is exempt and ruled that the property is entitled to a 100% exemption. Huston Properties owns a 3.88 acre property in Coatesville which is the site of the Huston Building, originally built in 1902 and 1903. It was originally the corporate headquarters of the Lukens Steel Company, the first producer of boiler plate in the U.S. It was transferred to Huston Properties in 2000 with a deed restriction limiting its use as an office building...