# Alteration or repair permit ALT1806928 at 18-20 Cedar St, Boston

Boston Inspectional Services Department permit ALT1806928: issued Feb 6, 2026 for alteration or repair work at 18-20 Cedar St. Install four (4) Lally columns, joist hangers, sister joists, and build various 2x6 and 2x8 walls under the sister joists per the;attached plans.;.

- Permit number: ALT1806928
- Issued: Feb 6, 2026
- Type of work: Alteration or repair (city: Renovations - Interior NSC, Long Form/Alteration Permit)
- Status: Finished (city: Closed)
- Reported cost: $23,750
- ZIP code: 02126
- All permits at this address: https://nearbypermits.com/boston/address/18--20-cedar-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-09 03:58 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 18-20 Cedar St: https://nearbypermits.com/boston/address/18--20-cedar-st/