This neighborhood in 22304 in the City of Alexandria is interesting when you compare this profile to others we've looked at. You probably already know that Seminary Hills is in the City of Alexandria and Alexandria. The average living area in Seminary Hills is 586 while 4600 Duke St #1218 has 586 sqft of living space. 4600 Duke St #1218 has been listed for sale for 1 and is advertised for sale for $150,000. none of properties selling in Seminary Hills have garages.