# Addition permit B2603251 at 617 Massachusetts Ave NE, Washington

DC Department of Buildings permit B2603251: issued Sep 15, 2026 for addition work at 617 Massachusetts Ave NE. In the Capitol Hill Historic District Construction of new 2-story plus basement brick and frame addition. Addition to include NEW kitchen and bedrooms. Underpinning of EX. foundation walls at rear of residence. Renovation of EX. residence w/ new plumbing, HVAC, and electrical to serve both EX. residence and addition. Replacement of EX. windows and entry door on front of residence. NEW patio at rear yard.

- Permit number: B2603251
- Issued: Sep 15, 2026
- Type of work: Addition (city: Construction, addition alteration repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20002
- All permits at this address: https://nearbypermits.com/washington-dc/address/617-massachusetts-ave-ne/

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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 2026-10-07 19:32 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 617 Massachusetts Ave NE: https://nearbypermits.com/washington-dc/address/617-massachusetts-ave-ne/