# Mechanical (HVAC) permit M2603908 at 422 3rd St SE, Washington

DC Department of Buildings permit M2603908: issued Jul 14, 2026 for mechanical (hvac) work at 422 3rd St SE. 

- Permit number: M2603908
- Issued: Jul 14, 2026
- Type of work: Mechanical (HVAC) (city: Supplemental, mechanical)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20003
- All permits at this address: https://nearbypermits.com/washington-dc/address/422-3rd-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 12:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 422 3rd St SE: https://nearbypermits.com/washington-dc/address/422-3rd-st-se/