# Plumbing permit PL1748769 at 18-20 Knowlton St, Boston

Boston Inspectional Services Department permit PL1748769: issued Jul 23, 2025 for plumbing work at 18-20 Knowlton St. Replacement of existing Tankless water heater.

- Permit number: PL1748769
- Issued: Jul 23, 2025
- Type of work: Plumbing (city: Plumbing, Plumbing Permit)
- Status: Issued (city: Open)
- Reported cost: $1,000
- ZIP code: 02127
- All permits at this address: https://nearbypermits.com/boston/address/18--20-knowlton-st/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 05:17 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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