# Alteration or repair permit ALT1128407 at 451 D St, Boston

Boston Inspectional Services Department permit ALT1128407: issued Oct 21, 2020 for alteration or repair work at 451 D St. 9th Floor -;Interior Tenant Improvements - Spec Suite A (4600 sq ft) &; Spec Suite B (12000 sq ft) 50/50 office &; laboratory Scope includes demolition, new walls, finishes and MEP, FA;and FP ( Sprinkler );improvements.; E- Plans.

- Permit number: ALT1128407
- Issued: Oct 21, 2020
- Type of work: Alteration or repair (city: Interior/Exterior Work, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $3,880,817
- ZIP code: 02210
- All permits at this address: https://nearbypermits.com/boston/address/451-d-st/

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 20:20 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/