# Alteration or repair permit ALT1228134 at 451 D St, Boston

Boston Inspectional Services Department permit ALT1228134: issued Sep 14, 2021 for alteration or repair work at 451 D St. 451 D St 5th Floor Catamaran Bio (20,460sqft) - Interior Improvements - Office/lab fit out with a vivarium, includes selective demolition, new walls, finishes and MEP, FA and FP (sprinkler)eplan.

- Permit number: ALT1228134
- Issued: Sep 14, 2021
- Type of work: Alteration or repair (city: Interior/Exterior Work, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $3,738,042
- ZIP code: 02210
- All permits at this address: https://nearbypermits.com/boston/address/451-d-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 10:23 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 451 D St: https://nearbypermits.com/boston/address/451-d-st/