overlay districts
Supplemental zoning layers
Overlay districts are zoning designations that add requirements on top of existing base zoning.
A historic preservation overlay might restrict demolition or exterior changes in an area already zoned residential.
Flood plain overlays impose building standards regardless of underlying commercial or industrial zoning.
The overlay doesn't replace the base zone—it layers additional regulations: The downtown overlay district requires design review for new construction.
- zoningSectioning areas by use
- parcelsWrapped items for delivery
- boundariesLines marking separation
- setbacksReversals of progress
- historic preservationProtecting significant old structures
floodplain · flood zone · wetlands · buffers · variances · permits · land use · height limits · density · corridors · conservation · sensitive areas · waterfront · scenic · mixed-use · rezoning · greenbelts · green space
- urban planningcity planning, zoning map, master plans, zones, zoning reform
- ecoregional planningconservation areas, protected areas, green belts, buffer zones, wildlife corridors
- zoningzoning codes, zoning ordinance, zoning code, zoning ordinances, zoning restrictions
- urban placescommercial buildings, office buildings, shopping centers, stores, restaurants
- land usezoning ordinances, suburban sprawl, land management, arable land, industrial
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