# Addition permit B2605532 at 601 Mississippi Ave SE, Washington

DC Department of Buildings permit B2605532: issued Sep 18, 2026 for addition work at 601 Mississippi Ave SE. Modernization and interior renovation of existing school, including demolition and an addition with a new structure, interior partitions and MEP system. Sitework includes re-grading and landscape elements, utilities, geothermal wells and parking. Proposed gfa 160,970 sf.

- Permit number: B2605532
- Issued: Sep 18, 2026
- Type of work: Addition (city: Construction, addition alteration repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20032
- All permits at this address: https://nearbypermits.com/washington-dc/address/601-mississippi-ave-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 2026-10-06 04:05 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 601 Mississippi Ave SE: https://nearbypermits.com/washington-dc/address/601-mississippi-ave-se/