Tenant build-out of suite 2420 3,955 sf office space and 25th floor 12,269 sf office space
Alteration or repair at 20 S Clark St, Chicago
Chicago Department of Buildings permit 101081410: issued Mar 31, 2026 for alteration or repair work at 20 S Clark St. Self-cert 2019 CBRC: tenant build-out of suite 2420 3,955 sf office space and 25th floor 12,269 sf office space, including new 25th floor single-user ADA compliant restroom, alterations to 25th floor existing toilet rooms, elevator lobby and corridor. Work includes alterations to mechanical, electrical and plumbing. Occupancy group B; type 1a construction.
- Permit number
- 101081410
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $1,397,805
- ZIP code
- 60603 (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 20 S Clark St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 9, 2026. We checked it Oct 10, 10:30 UTC. See the city's official records.
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