Tenant improvement on the 4th floor and mezzanine level in existing 5 story brick commercial office building
Alteration or repair at 641 W Lake St, Chicago
Chicago Department of Buildings permit 100687990: issued Apr 8, 2017 for alteration or repair work at 641 W Lake St. Self-cert: tenant improvement on the 4th floor and mezzanine level in existing 5 story brick commercial office building (with no basement), suite 402 and 404 will be combined as one suite. Occupancy will be increased from 39 persons to 117 persons. No plumbing work.
- Permit number
- 100687990
- Issued
- Type of work
- Alteration or repair
- Status
- Finished
- Reported cost
- $100,000
- ZIP code
- 60661 (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 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 641 W Lake St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 14, 2026. We checked it Oct 15, 09:11 UTC. See the city's official records.
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