overbuild

/ˌoʊvərˈbɪld/
verb
  1. To build too many structures on a piece of land or in an area.
    • Developers tend to overbuild in popular neighborhoods, leaving little green space.
    • The city council passed a law to prevent builders from overbuilding the coastal zone.
    • They overbuilt the resort, and now many rooms sit empty.
  2. To build something stronger or larger than necessary.
    • He overbuilt the shed with extra supports, making it last for decades.
    • The engineer warned not to overbuild the bridge, as it would waste materials.
    • Some homeowners overbuild their houses, adding rooms they never use.