# Building permits at 310 15th Ave E, Seattle, WA

310 15th Ave E, Seattle has 11 building permits on record. The most recent, issued Jun 25, 2026, is for alteration or repair: Construct tenant improvements in existing institutional building (Kaiser) on 2nd floor at NE corner per plan.

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Jun 25, 2026 | Alteration or repair | Construct tenant improvements in existing institutional building (Kaiser) on 2nd floor at NE corner per plan. | $233,000 | [7141219-CN](https://nearbypermits.com/seattle/permit/7141219-CN/) |
| Sep 4, 2025 | Mechanical (HVAC) | Construct alterations at Level 1 (Audiology) of existing hospital building (Kaiser) per plan. Mechanical included. | $425,000 | [7089094-CN](https://nearbypermits.com/seattle/permit/7089094-CN/) |
| Dec 1, 2023 | Alteration or repair | Tenant improvement consisting of alterations to existing hospital (Kaiser Permanente Hospital north building) at ground floor per plan. | $147,500 | [6978913-CN](https://nearbypermits.com/seattle/permit/6978913-CN/) |
| Apr 16, 2020 | Alteration or repair | Tenant improvement to Kaiser Permanente subject to field inspection STFI. | $645,000 | [6779824-CN](https://nearbypermits.com/seattle/permit/6779824-CN/) |
| May 22, 2019 | Alteration or repair | Tenant Improvement to existing office space subject to field inspection STFI. | $40,000 | [6724512-CN](https://nearbypermits.com/seattle/permit/6724512-CN/) |
| Oct 7, 2016 | Alteration or repair | Construct alterations to 4th floor of Group Health for behavioral health suite per plans. | $150,000 | [6539194-CN](https://nearbypermits.com/seattle/permit/6539194-CN/) |
| Mar 26, 2009 | Mechanical (HVAC) | Construct enclosure above existing utility transformer vault for existing hospital per plans. Project includes mechanical review. | $30,000 | [6206188-CN](https://nearbypermits.com/seattle/permit/6206188-CN/) |
| Aug 24, 2007 | Alteration or repair | Ceiling upgrade painting of walls - first floor loading dock area. | $12,000 | [6151279-CN](https://nearbypermits.com/seattle/permit/6151279-CN/) |
| Jan 26, 2007 | Alteration or repair | Alterations to renovate restroom on 2nd floor on sw corner of existing hospital (CNB Bldg) per stfi | $52,393 | [6125658-CN](https://nearbypermits.com/seattle/permit/6125658-CN/) |
| Jan 26, 2007 | Alteration or repair | Alterations to revovate restroom at the sw corner of 2nd floor of existing hospital per subject to field inspection | $52,393 | [6125653-CN](https://nearbypermits.com/seattle/permit/6125653-CN/) |
| Aug 11, 2006 | Alteration or repair | Comm TI: reversing door swing & misc interior upgrades including cleaning & replacing ceiling tiles in 1st floor of GH Central North Building per plan-IAP. | $5,000 | [6108335-CN](https://nearbypermits.com/seattle/permit/6108335-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 18:06 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/