# Building permits at 17 Cornwall Rd Kn, Pierce County, WA Three permits on record here. The newest, Jul 31: Install one (1) new Durastar ductless mini-split heat pump system consisting of an outdoor inverter. Within a quarter mile, the county has issued 3 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jul 31, 2026 | Mechanical (HVAC) | Install one (1) new Durastar ductless mini-split heat pump system consisting of an outdoor inverter condensing unit and an indoor wall-mounted air handler. | Not listed | [1074444](https://nearbypermits.com/pierce-county/permit/1074444/) | | Feb 4, 2025 | Demolition | Demo application | Not listed | [1048127](https://nearbypermits.com/pierce-county/permit/1048127/) | | Dec 22, 1987 | Other | Temp store mobile | Not listed | [32526](https://nearbypermits.com/pierce-county/permit/32526/) | ## Within ¼ mi since May 1, 2026 3 permits in the circle. From our copy of the county's data (last 24 months). ### This block (250 to 1,000 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | May 29, 2026 | [28 Cornwell Rd SW](https://nearbypermits.com/pierce-county/address/28-cornwell-rd-sw/) | 870 ft S | Mechanical (HVAC) | Replace HVAC system like for like. | Not listed | [1071485](https://nearbypermits.com/pierce-county/permit/1071485/) | ### Farther (1,000 ft to ¼ mi), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 23, 2026 | [207 Bergeson Rd SW](https://nearbypermits.com/pierce-county/address/207-bergeson-rd-sw/) | 0.20 mi SW | Fire systems | Install residential fire alarm system in new sfr (ADT) - BPRS 1072436 | Not listed | [1073940](https://nearbypermits.com/pierce-county/permit/1073940/) | | Jul 23, 2026 | [207 Bergeson Rd SW](https://nearbypermits.com/pierce-county/address/207-bergeson-rd-sw/) | 0.20 mi SW | Mechanical (HVAC) | Install one kitchen hood suppression system in new sfr (FireBot) - BPRS 1072436 | Not listed | [1073938](https://nearbypermits.com/pierce-county/permit/1073938/) | ## More on this street Other addresses on Cornwall Rd Kn with permits, nearest house number first: - [319 Cornwall Rd Kn](https://nearbypermits.com/pierce-county/address/319-cornwall-rd-kn/): newest permit Apr 29, 2026 --- Source: Pierce County Planning and Public Works permit data (https://open.piercecountywa.gov/d/nhnt-v7ka). Checked 2026-10-07 18:47 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 3 permits at this address and 3 nearby: https://nearbypermits.com/pierce-county/address/17-cornwall-rd-kn/