The boundaries of the GSSD cover a 2.3 mile area of Germantown centered at the intersection Germantown and Chelten Avenues. Business properties* located in the district are pay an annual assessment that is approximately 12% of their annual real estate tax bill from the City of Philadelphia. Assessments are used to fund the operations, programs and services of the GSSD.

The GSSD operates on a fiscal calendar that runs from October 1 – September 30 (ex. October 1, 2013 – September 30, 2014). The annual assessments are sent out to property owners between November 20 – December 15, each year and are due by January 31st.