Arlington/Crystal City (urban density, Metro access, lowest square footage per dollar); Fairfax Corridor (central market, covers Springfield, Burke, Centreville, Reston, most variation); Loudoun (furthest west, best cost-per-square-foot, longer commutes, Route 28 access); Prince William (Quantico access, highest square-footage ratios, I-95 HOV lanes); and Inner Suburbs (Alexandria, Falls Church, McLean—strong Pentagon access, limited rental inventory). Each corridor has distinct commute and inventory profiles that reward precision matching.
Read the full guide: Choosing Your Northern Virginia Corridor: A Decision Framework for PCS Families