Chicago zoning comparison · downtown residential vs mixed-use
DR-3 vs DX-3: which lets you build more?
DR-3 and DX-3 share the same bulk numbers — the difference is what they allow: DR-3 permits multi-unit residential, while DX-3 permits multi-unit residential, mixed-use buildings, offices and ground-floor retail.
Figures read from the City-published text of Title 17, chapter 17-4, on 6 June 2026. Data snapshot generated 2026-08-24. How this data is produced and checked →
Side by side
| DR-3 Downtown Residential 3 | DX-3 Downtown Mixed-Use 3 | |
|---|---|---|
| Max FAR | 3 | 3 |
| Max height | — | — |
| Lot area per unit | 400 sf | 400 sf |
| Units on a standard 25×125 ft lot | 7 | 7 |
| Min lot area | 2,500 sf | 2,500 sf |
| Residential parking / unit | 0.55 | 0.55 |
| Max lot coverage | 85% | 85% |
| Permitted uses | multi-unit residential | multi-unit residential, mixed-use buildings, offices and ground-floor retail |
| Connected Communities bulk bonus tier | No | No |
Green marks the more permissive value. Setbacks are contextual in both districts and omitted here — see the district pages for the working scalars and the governing formulas.