# Addition permit ALT1670923 at 25 Denton Te, Boston

Boston Inspectional Services Department permit ALT1670923: issued May 1, 2026 for addition work at 25 Denton Te. Construct a full-length dormer addition to the existing attic of a detached 1-family home. Scope includes renovating the existing finished attic into a master suite and adding a reconstructed stair to the attic from the second floor. No work on the lower floor or change to the building footprint.

- Permit number: ALT1670923
- Issued: May 1, 2026
- Type of work: Addition (city: Addition, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $200,000
- ZIP code: 02131
- All permits at this address: https://nearbypermits.com/boston/address/25-denton-te/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-04 22:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/