400 Westlake Ave N, Seattle, WA
Charles Schwab Office Establish use as Office · Permit 7075832-CN
South Lake Union400 Westlake Ave N, Seattle, WA is a property in Seattle's South Lake Union neighborhood with 3 construction permits on record with the Seattle Department of Construction and Inspections, 3 of which are currently active. The combined estimated project value across all permits is $2,556,913.
Permit activity at this address spans from October 2025 to September 2026, with the featured record filed under permit number 7075832-CN.
Use the data below to review individual permit records, track project timelines, see which contractors and participants have been involved, and explore nearby construction activity. Each permit links to its own detail page with review cycles, status changes, and project descriptions.
Summary
Permit records (3)
| Permit | Type | Value | Status | Date |
|---|---|---|---|---|
| 7135192-CN | commercial | $915,038 | active | Sep 15, 2026 |
| 7154621-CN | commercial | $500,000 | pending | Sep 2, 2026 |
| 7075832-CN | commercial | $1,141,875 | active | Oct 28, 2025 |
Inferred projects
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Tenant improvement at 400 WESTLAKE AVE N
$1,415,038 · Sep 2, 2026 – Sep 15, 2026 · confidence 95
Contractors & participants
- SKYLINE CONSTRUCTION contractor · 1 permit
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