**Fire alarm permit**installation of maglock devices in tenant space (35th floor northwestern university) of
Fire systems at 172 E Chestnut St, Chicago
Chicago Department of Buildings permit B101057963: issued Sep 11, 2024 for fire systems work at 172 E Chestnut St. **Fire alarm permit**installation of maglock devices in tenant space (35th floor northwestern university) of an existing city of chicago high rise building fire alarm system. This is a class E occupancy, all work is to be done indoors only on the 35th floor.
- Permit number
- B101057963
- Issued
- Type of work
- Fire systems
- Status
- Finished
- Reported cost
- $10,000
- ZIP code
- Not listed
- City's category
- Fire alarm system, permit – express permit program
- 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 172 E Chestnut St, and what's permitted nearby
Chicago Department of Buildings updated its data Oct 2, 2026. We checked it Oct 3, 11:15 UTC. Official data.
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