# Building permits at 2218 3rd Ave W, Seattle, WA

2218 3rd Ave W, Seattle has 2 building permits on record. The most recent, issued Nov 1, 2024, is for addition or alteration: Allow new attached accessory dwelling unit to existing single family use per land use code. Construct alterations to convert existing one-family dwelling to two-family dwelling per…

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Nov 1, 2024 | Addition or alteration | Allow new attached accessory dwelling unit to existing single family use per land use code. Construct alterations to convert existing one-family dwelling to two-family dwelling per plan | $150,000 | [7039568-CN](https://nearbypermits.com/seattle/permit/7039568-CN/) |
| Nov 7, 2018 | Addition or alteration | Voluntary seismic upgrade to basement of SFR per plan (STFI permit). | $3,675 | [6697713-CN](https://nearbypermits.com/seattle/permit/6697713-CN/) |

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-01 10:56 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/