Vacant Properties – The True Cost to Communities Posted on December 24, 2010 by Stephen .A 2005 study featuring Philadelphia published by the National Vacant Properties Campaign. Click HERE. Share the Vacancy: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to email a link to a friend (Opens in new window) Email Click to share on Pinterest (Opens in new window) Pinterest Like Loading... Related