Land Use & Zoning

What is a 'subdivision plat' and what must it show under Illinois law?

AA survey of existing properties for tax purposes
BA map of a new subdivision showing lot lines, dimensions, streets, easements, and dedications, required to be recorded✓ Correct
CA developer's marketing brochure for a new subdivision
DAn architectural rendering of proposed buildings in a development

Explanation

A subdivision plat is a precisely drawn map that divides a larger parcel into individual lots, showing lot dimensions and numbers, street layouts, easements, and dedications of public land. Under the Illinois Plat Act, plats must be reviewed and approved by local authorities and recorded with the county recorder.

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