Replacement / upgrade of existing roof-top cooling towers for existing congress plaza hotel (occupancy group
Alteration or repair at 520 S Michigan Ave, Chicago
Chicago Department of Buildings permit 101081672: issued Jun 8, 2026 for alteration or repair work at 520 S Michigan Ave. Self-cert 2019 CBRC: replacement / upgrade of existing roof-top cooling towers for existing congress plaza hotel (occupancy group r-1); type 1a construction)self-certification.
- Permit number
- 101081672
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $1,000,000
- ZIP code
- 60605 (from the permit's location)
- City's category
- Permit - renovation/alteration
- 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 520 S Michigan Ave, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 2, 2026. We checked it Oct 3, 02:56 UTC. Official data.
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