# Building permits at 2400 11th Ave E, Seattle, WA

2400 11th Ave E, Seattle has 13 building permits on record. The most recent, issued May 22, 2026, is for alteration or repair: Construct tenant improvements in existing institutional building on 2nd floor (St Ignatius) subject to field inspection (STFI).

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| May 22, 2026 | Alteration or repair | Construct tenant improvements in existing institutional building on 2nd floor (St Ignatius) subject to field inspection (STFI). | $65,000 | [7129925-CN](https://nearbypermits.com/seattle/permit/7129925-CN/) |
| May 7, 2024 | Mechanical (HVAC) | Construct alterations for Institutional building [IGNATIUS HALL] on private school campus [SEATTLE PREP] per plan. Mechanical included. | $1,000,000 | [7001723-CN](https://nearbypermits.com/seattle/permit/7001723-CN/) |
| Sep 19, 2023 | Fence, wall or deck | Remove existing exterior stairs and fence accessory to existing school per plans. | $10,000 | [6918367-CN](https://nearbypermits.com/seattle/permit/6918367-CN/) |
| Oct 22, 2021 | New building | Phased project: Construction of a physical education facility (Seattle Prep Fitness Center) occupy per plan. Mechanical is included. | $2,794,549 | [6827140-PH](https://nearbypermits.com/seattle/permit/6827140-PH/) |
| May 9, 2019 | Alteration or repair | Tenant improvements in existing institutional building (McDonnell Hall) at basement level per plan. | $2,000,000 | [6695260-CN](https://nearbypermits.com/seattle/permit/6695260-CN/) |
| Jun 20, 2017 | Addition | Construct roof deck addition and alterations to existing public school (Seattle Preparatory School Adelphia Memorial Hall) occupy per plans. | $509,000 | [6570194-CN](https://nearbypermits.com/seattle/permit/6570194-CN/) |
| Jun 10, 2014 | Mechanical (HVAC) | Construct alterations to existing educational building including mechanical per plan. | $500,000 | [6351628-CN](https://nearbypermits.com/seattle/permit/6351628-CN/) |
| Mar 25, 2013 | Addition | Construct addition and substantial alterations to Peyton Hall at Seattle Preparatory School and occupy per plans. | $15,500,000 | [6244400-CN](https://nearbypermits.com/seattle/permit/6244400-CN/) |
| Jul 5, 2012 | Alteration or repair | Construct interior alterations at southeast corner of lower level within existing building (Seattle Preparatory School) per floor plan subject to field inspection. | $35,000 | [6326332-CN](https://nearbypermits.com/seattle/permit/6326332-CN/) |
| Jun 30, 2008 | New building | Closed as incomplete - expired permit. Construct new equipment enclosure per plans | $50,000 | [6175240-CN](https://nearbypermits.com/seattle/permit/6175240-CN/) |
| May 16, 2008 | Alteration or repair | Alterations to portion of 1st and 2nd floors of existing private school (McDonnell Building Seattle Prep) per plans. | $450,000 | [6174400-CN](https://nearbypermits.com/seattle/permit/6174400-CN/) |
| Feb 12, 2007 | Roofing | Minor communication utility (clearwire llc) on the roof of an existing structure (seattle prep mcdonnell building) consisting of three panel antennas three microwave dish antennas and equipment cabinet per plan | $18,500 | [6097469-CN](https://nearbypermits.com/seattle/permit/6097469-CN/) |
| May 31, 2006 | Alteration or repair | Remove and rebuild south auditorium and construct 1 story addn SW side all of bldg 1 and alter portions of existing private school (seattle prep) all per plans | $3,038,919 | [6099800-CN](https://nearbypermits.com/seattle/permit/6099800-CN/) |

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-02 00:46 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/