# Addition permit ALT1697435 at 670 E Eighth St, Boston

Boston Inspectional Services Department permit ALT1697435: issued May 13, 2025 for addition work at 670 E Eighth St. Renovate an existing detached 3-story, 3-family dwelling. Construct a 3-story rear addition. Adjust interior layouts and expand Unit 1 into the newly lowered basement. Add window wells, rear decks, and non-egress deck stairs. Building to be sprinklered per NFPA 13R.FOR FA/FP: Phase construction approved only. ( BWSC plan hasn't been approved yet).

- Permit number: ALT1697435
- Issued: May 13, 2025
- Type of work: Addition (city: Addition, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $711,150
- ZIP code: 02127
- All permits at this address: https://nearbypermits.com/boston/address/670-e-eighth-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-03 16:57 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/