# Alteration or repair permit B2603428 at 20 M St SE, Washington

DC Department of Buildings permit B2603428: issued Mar 23, 2026 for alteration or repair work at 20 M St SE. Replacing an existing access control system on the 8th Floor. Reusing the existing lock work.

- Permit number: B2603428
- Issued: Mar 23, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20003
- All permits at this address: https://nearbypermits.com/washington-dc/address/20-m-st-se/

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Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-05 18:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 20 M St SE: https://nearbypermits.com/washington-dc/address/20-m-st-se/