# Building permits at 4521 166th Av E, Pierce County, WA 10 permits on record here. The newest, May 1, 2025: Air handler and heat pump replacement. Within a quarter mile, the county has issued 2 more permits since May 1. One is for a new building, 0.25 mi away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | May 1, 2025 | Mechanical (HVAC) | air handler and heat pump replacement | Not listed | [1053624](https://nearbypermits.com/pierce-county/permit/1053624/) | | Nov 6, 2015 | Addition | Construct main floor addition & upper floor remodel & add new garage & add front and rear porch | Not listed | [814870](https://nearbypermits.com/pierce-county/permit/814870/) | | Nov 16, 2010 | Plumbing | on demand water heater | Not listed | [697920](https://nearbypermits.com/pierce-county/permit/697920/) | | Nov 16, 2010 | Mechanical (HVAC) | Heat pump air handler | Not listed | [697919](https://nearbypermits.com/pierce-county/permit/697919/) | | Dec 21, 2009 | Plumbing | Install gas line from PSE meter to exisiting fire | Not listed | [675566](https://nearbypermits.com/pierce-county/permit/675566/) | | Aug 11, 2008 | Other | Construct infiltration trench for BPRS # 639704 | Not listed | [643816](https://nearbypermits.com/pierce-county/permit/643816/) | | Aug 8, 2008 | Grading | Perform residential site development inspections (including drainage) BPRS # 639704 | Not listed | [639705](https://nearbypermits.com/pierce-county/permit/639705/) | | Aug 8, 2008 | New building | Construct 1 story 840 sq ft detached garage | Not listed | [639704](https://nearbypermits.com/pierce-county/permit/639704/) | | Jul 29, 2008 | Other | Construct residential driveway approach to 166th Ave E for BPRS 639704 | Not listed | [639706](https://nearbypermits.com/pierce-county/permit/639706/) | | Jun 20, 2008 | Demolition | Demolish a 552 sf garage & 213 sf shed | Not listed | [639700](https://nearbypermits.com/pierce-county/permit/639700/) | ## Within ¼ mi since May 1, 2026 2 permits in the circle. From our copy of the county's data (last 24 months). ### Farther (1,000 ft to ¼ mi), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 10, 2026 | [16819 42nd Stct E](https://nearbypermits.com/pierce-county/address/16819-42nd-stct-e/) | 0.25 mi NE | New building | Construct 1-story 1,020 sq ft detached garage with no heating or plumbing | Not listed | [1065463](https://nearbypermits.com/pierce-county/permit/1065463/) | | Jul 9, 2026 | [16819 42nd Stct E](https://nearbypermits.com/pierce-county/address/16819-42nd-stct-e/) | 0.25 mi NE | Grading | Site Development work for residential development for Building Permit #1065463 | Not listed | [1070410](https://nearbypermits.com/pierce-county/permit/1070410/) | ## More on this street Other addresses on 166th Av E with permits, nearest house number first: - [4803 166th Av E](https://nearbypermits.com/pierce-county/address/4803-166th-av-e/): newest permit Dec 1, 2025 - [3904 166th Av E](https://nearbypermits.com/pierce-county/address/3904-166th-av-e/): newest permit Nov 19, 2025 - [3808 166th Av E](https://nearbypermits.com/pierce-county/address/3808-166th-av-e/): newest permit Apr 2, 2026 - [11114 166th Av E](https://nearbypermits.com/pierce-county/address/11114-166th-av-e/): newest permit Apr 10, 2026 - [25211 166th Av E](https://nearbypermits.com/pierce-county/address/25211-166th-av-e/): newest permit Apr 21, 2026 --- Source: Pierce County Planning and Public Works permit data (https://open.piercecountywa.gov/d/nhnt-v7ka). Checked 2026-10-08 01:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 10 permits at this address and 2 nearby: https://nearbypermits.com/pierce-county/address/4521-166th-av-e/