Land Use & Zoning

In Alaska, an 'overlay zone' is:

AA zone that replaces the underlying zoning classification
BAdditional regulations applied on top of an existing zone for specific purposes (e.g., historic preservation, floodplain protection)✓ Correct
CA temporary zoning designation pending a comprehensive plan update
DA zone created by eminent domain

Explanation

An overlay zone imposes additional regulations on top of the underlying base zone without replacing it. Overlay zones are used for special purposes — such as protecting historic districts, managing floodplain development, or creating design districts — where all properties in the overlay area must comply with both base and overlay requirements.

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