Electrical only
Alteration or repair at 140 S Dearborn St, Chicago
Chicago Department of Buildings permit 101069901: issued Jul 23, 2025 for alteration or repair work at 140 S Dearborn St. Electrical only. Electrical upgrades to existing 4000a panel for preventive maintenance in the basement of a 17-story landmark building. Work to include the removal, refurbishment and reinstallation of two 2000a switches, and two 2000a panels, with 4 feeds for the existing boilers - (2) 1000a and (2) 1200a boiler feeds. No mechanical work, architecture, structural, or plumbing work. (Occupancy type: B, construction type: 1a).
- Permit number
- 101069901
- Issued
- Type of work
- Alteration or repair
- Status
- Issued
- Reported cost
- $239,344
- 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 140 S Dearborn St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 10, 2026. We checked it Oct 12, 00:53 UTC. See the city's official records.
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