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Tier System
Tier Designations
In 2005-2006, Monroe County designated parcels into a tier system to assist with allocating / awarding permits to appropriate areas / properties from an environmental and planning perspective. Generally, the tier designations are:
  • Tier I - Environmentally sensitive land 
  • Tier II - Transition or sprawl reduction area on Big Pine Key or No Name Key 
  • Tier III - Infill area, not nearly as environmentally sensitive (lots that are 50% or more developed) platted subdivisions with adequate infrastructure
  • Tier IIIA - Special protection areas (no IIIAs on Big Pine Key or No Name Key), the intent is for the areas that do not fit into Tier I or Tier III to be placed in IIIA (e.g., the environmentally sensitive areas that were split by roads, were invaded with exotic plants or trees, or included some types of vesting)

Tier Overlay District – Property Search and Map Download


Monroe County
1100 Simonton Street
Key West FL, 33040