Potomac Crossing was built roughly 1988–2006 while Loudoun was the fastest-growing county in the country. The neighborhood feels settled. Refrigerators are often the second or third in the house - or still the Kenmore side-by-side that came with a late-1990s kitchen. Ice maker modules, door augers, and piercing saddle valves fail together.
Tuscarora High School serves much of this northern/eastern belt. Pulling a fridge out may reveal a plastic water line that should have been replaced a decade ago. We can handle ice maker plus line in the same conversation if you mention the leak.