# Alteration or repair permit 101087799 at 400 N Aberdeen St, Chicago

Chicago Department of Buildings permit 101087799, issued Sep 21, 2026 for 400 N Aberdeen St: alteration or repair. Self-cert 2019 CBRC: interior alterations to level 8 and 10 labs (group B occupancy) in existing high rise lab building. Convert existing office into new idf room, rework electrical and data, new and relocated equipment to include vacuum and co2 connections, new fume hood, duct rework, plumbing rework, demo wall to combine 2 rooms, demo and replace doors, new card readers. Construction type IA.

- Permit number: 101087799
- Issued: Sep 21, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $750,000
- ZIP code: 60642 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/400-n-aberdeen-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-02 10:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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