« Zoning districts

DR-10 Downtown Residential District

High-rise apartment buildings, largely in the Gold Coast. Ground-floor stores are okay, offices aren't.


Zoning Ordinance reference ยง 17-4-0104
View the Chicago Zoning Ordinance
Floor area ratio 10
Maximum building height None, but buildings taller than city's "building height thresholds" require Planned Development review.
Lot area per unit (density) 115 sq ft/dwelling unit, 75 sq ft/efficiency unit, 60 sq ft/SRO unit
Minimum lot area
On-site open space All buildings with people living in them must have at least 36 sq ft of on-site open space per dwelling unit. (See 17-4-0410-A)


Front yard 15ft, or 12% of lot depth, whichever is less. Alternatively, setback can be the average front yard depth of nearest 2 lots.
Side None
Back yard For detached houses, 28% of lot depth or 50 feet (whichever is less.) For principal buildings, 30% of lot depth or 50 feet (whichever is less), but this only applies to parts of buildings 18 feet or more above grade.