Today william penn, Lansdowne PA is count around 43 homes for sale at current average listing price of $239,787. Nearby neighborhoods of william penn are None Available, Lansdowne, Aldan, Yeadon, Beverly Hills, Cobbs Creek, Pennwood, Achey Lane, Dartmouth Hills, Landsdowne Station. Most of william penn homes are 3 bedrooms with 2 bathrooms.