We can help you make sense of this data. Feel free to call us if you wish to discuss. You probably already know that Potowmack Crossing is in the City of Alexandria and Alexandria. The average living area in Potowmack Crossing is 656 while 1812 W Abingdon Dr #101 has 625 sqft of living space. Units in Potowmack Crossing range from $325,000 to $1,700. The average days for sale here at Potowmack Crossing is 152.