# Mechanical (HVAC) permit 1074778 at 420 171st St S, Pierce County

Pierce County Planning and Public Works permit 1074778: issued Aug 7, 2026 for mechanical (hvac) work at 420 171st St S. Add heat pump.

- Permit number: 1074778
- Issued: Aug 7, 2026
- Type of work: Mechanical (HVAC) (city: Mechanical)
- Status: Finished (city: Final)
- Reported cost: Not listed
- ZIP code: Not listed
- All permits at this address: https://nearbypermits.com/pierce-county/address/420-171st-st-s/

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Source: Pierce County Planning and Public Works permit data (https://open.piercecountywa.gov/d/nhnt-v7ka). Checked 2026-10-12 11:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 420 171st St S: https://nearbypermits.com/pierce-county/address/420-171st-st-s/