Overlay is not magic
An overlay works when the base is stable and damage is mostly surface-level. It fails quickly if the old lot is moving or holding water.
Parking Lot Overlay vs Full Reconstruction: A Property Manager Checklist
Overlay can save time and money, but only when the existing parking lot has the right structure, pitch, drainage, and transitions.
Checklist before overlay
Confirm drainage, edge stability, curb transitions, utility covers, ADA routes, door thresholds, and whether milling is needed.