# Plumbing permit PL320406 at 21 Oak Square Av, Boston

Boston Inspectional Services Department permit PL320406: issued Jan 17, 2014 for plumbing work at 21 Oak Square Av. install hi efficiency navian heat and hot water.

- Permit number: PL320406
- Issued: Jan 17, 2014
- Type of work: Plumbing (city: Gas, Plumbing Permit)
- Status: Issued (city: Open)
- Reported cost: $6,270
- ZIP code: 02135
- All permits at this address: https://nearbypermits.com/boston/address/21-oak-square-av/

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Source: Boston Inspectional Services Department permit data (https://data.boston.gov/dataset/approved-building-permits). Checked 2026-10-06 12:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 21 Oak Square Av: https://nearbypermits.com/boston/address/21-oak-square-av/