# Building permits at 1140 23rd Ave E, Seattle, WA

1140 23rd Ave E, Seattle has 2 building permits on record. The most recent, issued Apr 30, 2026, is for addition or alteration: Construct foundation repair with helical piles to existing one family dwelling per plan.

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Apr 30, 2026 | Addition or alteration | Construct foundation repair with helical piles to existing one family dwelling per plan. | $64,500 | [7126110-CN](https://nearbypermits.com/seattle/permit/7126110-CN/) |
| Jan 7, 2026 | Addition or alteration | Construct interior alterations to the second floor of an existing single family dwelling subject to field inspection (STFI). | $25,000 | [7123816-CN](https://nearbypermits.com/seattle/permit/7123816-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 10:29 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/