# Mechanical (HVAC) permit M2604415 at 111 Massachusetts Ave NW, Washington

DC Department of Buildings permit M2604415: issued Aug 6, 2026 for mechanical (hvac) work at 111 Massachusetts Ave NW. 

- Permit number: M2604415
- Issued: Aug 6, 2026
- Type of work: Mechanical (HVAC) (city: Supplemental, mechanical)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20001
- All permits at this address: https://nearbypermits.com/washington-dc/address/111-massachusetts-ave-nw/

---
Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), District of Columbia, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-06 23:14 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 111 Massachusetts Ave NW: https://nearbypermits.com/washington-dc/address/111-massachusetts-ave-nw/