# Alteration or repair permit 101076242 at 636 N St Louis Ave, Chicago

Chicago Department of Buildings permit 101076242: issued Aug 31, 2026 for alteration or repair work at 636 N St Louis Ave. Spr 2019 CBRC: interior and exterior renovations at an existing 2-story + basement, multi-unit (2 du) masonry building to add a new accessory dwelling unit (adu) at the basement level. Lowering of the basement slab with no underpinning to provide a new 8'-0" basement ceiling height. Existing rear enclosed (2-story) wood porch to be reduced in size due to significant fire damage. The existing north portion to be removed, while the existing west and south portions to be repaired per plans. Existing rear concrete stairs to be removed and replaced. Existing rear open deck and stairs to be removed and replaced with a new 2-story open wood porch. Remove existing detached 1-car garage and provide two (2) new 8'-0" x 18'-0" concrete parking spaces. Install new 6'-0" high iron fence, sliding gate, and pedestrian gate per plans. Mechanical, electrical, and plumbing work per plans. (Occupancy classification R-5, construction type iiia.).

- Permit number: 101076242
- Issued: Aug 31, 2026
- Type of work: Alteration or repair (city: Permit - renovation/alteration)
- Status: Issued (city: Active)
- Reported cost: $114,880
- ZIP code: 60624 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/636-n-st-louis-ave/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-05 20:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 636 N St Louis Ave: https://nearbypermits.com/chicago/address/636-n-st-louis-ave/