# Plumbing permit G201544 at 12 Walnut St, Boston

Boston Inspectional Services Department permit G201544: issued Nov 20, 2012 for plumbing work at 12 Walnut St. Gas piping a forced hot waster boiler for residence under 4000,000 b.t.us.

- Permit number: G201544
- Issued: Nov 20, 2012
- Type of work: Plumbing (city: Gas, Gas Permit)
- Status: Issued (city: Open)
- Reported cost: $500
- ZIP code: 02108
- All permits at this address: https://nearbypermits.com/boston/address/12-walnut-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-07 00:00 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 12 Walnut St: https://nearbypermits.com/boston/address/12-walnut-st/