# Alteration or repair permit SF1891312 at 25-29 Spring St, Boston

Boston Inspectional Services Department permit SF1891312: issued Aug 28, 2026 for alteration or repair work at 25-29 Spring St. Retrofit insulation of all exterior walls with fire rated closed cell polyurethane pour foam.

- Permit number: SF1891312
- Issued: Aug 28, 2026
- Type of work: Alteration or repair (city: Insulation, Short Form Bldg Permit)
- Status: Issued (city: Open)
- Reported cost: $378,500
- ZIP code: 02132
- All permits at this address: https://nearbypermits.com/boston/address/25--29-spring-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-03 18:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/