641 W Lake St
Interior alterations to an existing office space, including layout revisions to non-load-bearing partitions and the reconfiguration of employee restrooms. The scope includes light interior demolition and updated plumbing fixtures.
Largest single reported permit cost — not a summed project total. Individual permit values can overlap in scope.
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Activity
How much relevant permit activity is on this site.
Trade fit
How well this project matches each trade, from linked permits. Select a trade to filter parties & permits.
| Trade | Fit | Evidence |
|---|---|---|
| Medium | Major construction permits |
Permit ledger
All 1 permit on this record| Permit | Description | Status | Contractor | ||
|---|---|---|---|---|---|
101083437 Renovation | Revision to permit 101079532 for employee restroom configuration and partition layout changes. | MAY 15, 2026 | Active | $230,000 | R2 Design-Build LLC |
Key parties
Sources: City of Chicago Dept. of Buildings permit feed · Cook County Assessor parcel records
Source Chicago Building Permits · Last calculated Sep 9, 2026
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