Nonstructural interior alteration to electrical
Alteration or repair at 645 N Michigan Ave, Chicago
Chicago Department of Buildings permit B200478450: issued Jul 27, 2026 for alteration or repair work at 645 N Michigan Ave. Scope: nonstructural interior alteration to electrical, plumbing and remove workstations/casework (no change of use). Locations: 0 residential unit(s), 1 non-residential unit(s), suite 550.
- Permit number
- B200478450
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $60,000
- ZIP code
- 60611 (from the permit's location)
- City's category
- Nonstructural Interior Work, PERMIT – EXPRESS PERMIT PROGRAM
- City's status
- Active
- Source
- Chicago Department of Buildings permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 645 N Michigan Ave, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 2, 2026. We checked it Oct 3, 01:48 UTC. Official data.
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