Want to know what you're allowed to build at a specific address?
Look that up on Address Snapshot
Permitted ("as of right") zoning districts
Zoning districts requiring "special use"
Zoning districts requiring Planned Development process
Height and density limits are based on zoning class (RT-4, B3-3, etc.). Look up an address to see its zoning class and height and density limits.
Pan and zoom the map. Click on the magnifying glass and enter an address to zoom in to a location. Once you've found a location you like, right-click the map to "Get an Address Snapshot" there.
A "special use" is obtained from the Zoning Board of Appeals. This appointed board meets monthly. Applications require an independent report, and most applicants hire a lawyer.