# Building permits at 604 E Union St, Seattle, WA

604 E Union St, Seattle has 2 building permits on record. The most recent, issued Aug 14, 2026, is for fence, wall or deck: We are performing a single-ply membrane overlay onto the existing BUR on wood deck. The membrane will be in-seam fastened over a geotextile fabric separation layer per manufacturer…

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Aug 14, 2026 | Fence, wall or deck | We are performing a single-ply membrane overlay onto the existing BUR on wood deck. The membrane will be in-seam fastened over a geotextile fabric separation layer per manufacturer warranty requirements | $189,286 | [7158177-RR](https://nearbypermits.com/seattle/permit/7158177-RR/) |
| Mar 30, 2012 | Alteration or repair | Construct alterations to existing apartment building @ the basement level and occupy per plan. | $185,000 | [6305586-CN](https://nearbypermits.com/seattle/permit/6305586-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 14:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/