# Sign permit 101079317 at 664 N Michigan Ave, Chicago

Chicago Department of Buildings permit 101079317: issued Apr 16, 2026 for sign work at 664 N Michigan Ave. Mango: internally illuminated halo-lit wall sign (e erie st elevation) - 1'-4"h x 8'-3"w (11 sqft); replaces DOB # 100485815 issued 12/06/2013 for 'tommy bahama'.

- Permit number: 101079317
- Issued: Apr 16, 2026
- Type of work: Sign (city: Permit - signs)
- Status: Issued (city: not listed)
- Reported cost: $3,000
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/664-n-michigan-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-06 01:44 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 664 N Michigan Ave: https://nearbypermits.com/chicago/address/664-n-michigan-ave/