# Alteration or repair permit ALT1863632 at 15-17 Mason St, Boston

Boston Inspectional Services Department permit ALT1863632: issued Sep 22, 2026 for alteration or repair work at 15-17 Mason St. Seeking to confirm occupancy as a two-family dwelling. No existing record of occupancy.;.

- Permit number: ALT1863632
- Issued: Sep 22, 2026
- Type of work: Alteration or repair (city: No Record of Occupancy, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: Not listed
- ZIP code: 02136
- All permits at this address: https://nearbypermits.com/boston/address/15--17-mason-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-04 22:25 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/