# Fire systems permit ALT1522878 at 3927 Washington St, Boston

Boston Inspectional Services Department permit ALT1522878: issued Feb 12, 2025 for fire systems work at 3927 Washington St. Add 4th floor to existing 3 story 3-unit building and change legal occupancy from 3 family to 4 family per plans and extend fire protection sprinklers to new 4th floor.

- Permit number: ALT1522878
- Issued: Feb 12, 2025
- Type of work: Fire systems (city: Change Occupancy, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $250,000
- ZIP code: 02131
- All permits at this address: https://nearbypermits.com/boston/address/3927-washington-st/

---
Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 00:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3927 Washington St: https://nearbypermits.com/boston/address/3927-washington-st/