Provides maps, historical aerials, address searches and property owner reports, school zones, voting districts and elected officials, and more. Use the options under the Online Tools tab to access the desired search function. Ready-to-print maps show political districts, school zones, zip codes, watersheds. A Historic Districts and Pre-1865 Structures theme makes it easy to find old architecture. Knoxville-Knox County Planning has an application for viewing current and past cases such as zoning change requests.