# Building permits at 420 17th Ave E, Seattle, WA

420 17th Ave E, Seattle has 1 building permit on record. The most recent, issued Dec 17, 2024, is for alteration or repair: Remove accessory duplex dwelling unit per land use code. Construct as alterations for single family residence per plan.

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Dec 17, 2024 | Alteration or repair | Remove accessory duplex dwelling unit per land use code. Construct as alterations for single family residence per plan. | $50,000 | [7054336-CN](https://nearbypermits.com/seattle/permit/7054336-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 23:01 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/