Zoning amendments 2019–present. Markers show what each parcel changed to; click for from→to, dates, ward, applicant & attorney. Timeline is calculation of days from introduction to passage of ordinance, not including prior community review.
Parcel
Development potential
Building ≤ 20% of lot
Distress signals
Ownership
Finds every parcel citywide held by the selected owner(s) — the map fits to them. Names are the Cook County assessor taxpayer of record.
Sales & comps
Type comes from the Cook County assessor class, which can lag or differ from a building's current use (e.g. an unrecorded condo conversion or use change).
≥ 30% off median
Compares each sale's $/sqft against the median of same-type sales in the same ZIP. Comp window — the sale and its comps both fall in this range: