# Addition permit A1901786 at 20 Cotton St, Boston

Boston Inspectional Services Department permit A1901786: issued Oct 13, 2026 for addition work at 20 Cotton St. Amendment to Original Permit #1734282 Rear Addition. Adding Primary Suite with Loft Above.

- Permit number: A1901786
- Issued: Oct 13, 2026
- Type of work: Addition (city: Addition, Amendment to a Long Form)
- Status: Issued (city: Open)
- Reported cost: $60,000
- ZIP code: 02131
- All permits at this address: https://nearbypermits.com/boston/address/20-cotton-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-15 21:48 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 20 Cotton St: https://nearbypermits.com/boston/address/20-cotton-st/