# Alteration or repair permit ALT1807334 at 139 W Canton St, Boston

Boston Inspectional Services Department permit ALT1807334: issued Sep 23, 2026 for alteration or repair work at 139 W Canton St. Proposed renovation of an existing single-family dwelling. Scope of work includes interior renovations, installation of fire alarm and sprinkler systems and construction of a rear deck and a roof deck accessed via a roof hatch.;ePlans Filed-;10th Edition;Amendment is required;to be filed for Fire Protection Systems;by applicant or owner.

- Permit number: ALT1807334
- Issued: Sep 23, 2026
- Type of work: Alteration or repair (city: Renovations - Interior NSC, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $1,414,879
- ZIP code: 02118
- All permits at this address: https://nearbypermits.com/boston/address/139-w-canton-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-04 02:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/