Alteration or repair at 20 N Wacker Dr
Chicago Department of Buildings permit 100835345, issued Jan 7, 2020 for 20 N Wacker Dr: alteration or repair. Interior alterations in existing office building to build out three spec office suites 2420, 3705 & 4010 and alterations to existing men¿s toilet room for ADA upgrades on the 40th floor as per plans. (No change in use)
- Permit number
- 100835345
- Issued
- Type of work
- Alteration or repair
- Status
- Finished
- Reported cost
- $700,000
- ZIP code
- 60606 (from the permit's location)
- City's category
- Permit - renovation/alteration
- City's status
- Complete
- Source
- Chicago Department of Buildings permit data (this record)
Type of work and status are our standard labels, so permits compare across cities. The city's own wording is shown above. Costs under $100 are shown as not listed, because filers often enter $0 or $1 when no cost is required.
Chicago Department of Buildings last updated its data Oct 1, 2026. We checked it 2026-10-01 14:56 UTC. Official data.