A Keystone Court is found in the neighborhood(s) listed below.
/PA/Bucks_County/Middletown_Township/Tanglewood.html">Tanglewood Middletown Township, PA Subdivision of detached singles ca. 1978.
/PA/Montgomery_County/Upper_Providence_Township/Providence_Chase.html">Providence Chase Upper Providence Township, PA Subdivision of detached, single family homes ca. 2001.