Housing signal:The city signal here is official responsibility language rather than unusually old sold-home stock.
Local system:DC Water says owners are typically responsible for cleanup and many maintenance-related backup causes, and that the utility generally does not pay damages.
Next-step bias:Use responsibility pages to move uncertain users into estimator or inspection-first logic, then quote once the problem is evidence-backed.
Start Here in Washington, DC
These are the best entry pages if you want the fastest path from city context to a real next decision.
Use these starting points when you need to share one city page with a buyer, seller, owner, or agent without sending them through the whole cluster first.