# Alteration or repair permit ALT770671 at 113-129 Seaport Bl, Boston

Boston Inspectional Services Department permit ALT770671: issued Nov 29, 2017 for alteration or repair work at 113-129 Seaport Bl. Interior fit out of existing core and shell space at 121 Seaport Blvd for new class A office space. Work involves approximately 150,000 square feet on levels 3, 4, 5, 6, 7 and 8.

- Permit number: ALT770671
- Issued: Nov 29, 2017
- Type of work: Alteration or repair (city: Fast Track Application, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $23,277,264
- ZIP code: 02210
- All permits at this address: https://nearbypermits.com/boston/address/113--129-seaport-bl/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-12 20:17 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 113-129 Seaport Bl: https://nearbypermits.com/boston/address/113--129-seaport-bl/