# Building permits at 3419 S Mount Baker Blvd, Seattle, WA

3419 S Mount Baker Blvd, Seattle has 1 building permit on record. The most recent, issued Sep 4, 2026, is for addition or alteration: Construct additions and alterations to existing one family dwelling per plan.

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 4, 2026 | Addition or alteration | Construct additions and alterations to existing one family dwelling per plan. | $250,000 | [7155233-CN](https://nearbypermits.com/seattle/permit/7155233-CN/) |

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Source: City of Seattle open data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-01 08:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/