400 9TH AVE N, SEATTLE, WA is a property in Seattle's South Lake Union neighborhood with 9 construction permits on record with the Seattle Department of Construction and Inspections, 6 of which are currently active. The combined estimated project value across all permits is $485,000.
Permit activity at this address spans from June 2024 to April 2026, with the most recent permit being a commercial project filed under permit number 7139932-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
9
Permits
$485,000
Total value
6
Active / recent
2
Projects
First permit Jun 4, 2024 · Latest permit Apr 27, 2026
Permit records (9)
| Permit | Type | Value | Status | Date |
|---|---|---|---|---|
| 7139932-CN | commercial | $16,000 | active | Apr 27, 2026 |
| 7139014-CN | commercial | $75,000 | active | Apr 20, 2026 |
| 7118897-CN | commercial | $9,000 | active | Dec 1, 2025 |
| 7085736-CN | commercial | $300,000 | completed | May 15, 2025 |
| 7083517-CN | commercial | $45,000 | active | May 6, 2025 |
| 7080694-CN | commercial | $15,000 | completed | Apr 17, 2025 |
| 7072780-CN | commercial | $5,000 | active | Mar 3, 2025 |
| 7061442-CN | commercial | $15,000 | active | Dec 18, 2024 |
| 7028180-CN | commercial | $5,000 | expired | Jun 4, 2024 |
Inferred projects
-
Tenant improvement at 400 9TH AVE N
$100,000 · Dec 1, 2025 – Apr 27, 2026 · confidence 75
-
Tenant improvement at 400 9TH AVE N
$385,000 · Jun 4, 2024 – May 15, 2025 · confidence 81
Contractors & participants
- CORTI CONSTRUCTION INC contractor · 2 permits
- GATEWAY CONSTRUCTION SRVCS INC contractor · 1 permit
Nearby & related addresses
- 207 BOREN AVE N, SEATTLE, WA · 15 permits
- 400 DEXTER AVE N, SEATTLE, WA · 9 permits
- 1700 WESTLAKE AVE N, SEATTLE, WA · 9 permits
- 501 FAIRVIEW AVE N, SEATTLE, WA · 8 permits
- 345 BOREN AVE N, SEATTLE, WA · 8 permits
- 1000 DEXTER AVE N, Seattle, WA · 8 permits