# Alteration or repair permit ALT883722 at 154 Thornton St, Boston

Boston Inspectional Services Department permit ALT883722: issued Jun 18, 2020 for alteration or repair work at 154 Thornton St. ;Subdivide this building from 8-8A valentine St, this building;is;a one family dwelling;unit to be also known as154 Thornton St and;its lot size to is1605 square feet. It is one the proposed subdivided three lots.Note: STC BETWEEN DEMISING WALLS IS 54\.

- Permit number: ALT883722
- Issued: Jun 18, 2020
- Type of work: Alteration or repair (city: Subdivision Combining Lot, Long Form/Alteration Permit)
- Status: Issued (city: Open)
- Reported cost: $204,375
- ZIP code: 02119
- All permits at this address: https://nearbypermits.com/boston/address/154-thornton-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-05 19:56 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 154 Thornton St: https://nearbypermits.com/boston/address/154-thornton-st/
