100 4TH AVE N, SEATTLE, WA is a property in Seattle's Belltown neighborhood with 3 construction permits on record with the Seattle Department of Construction and Inspections. The combined estimated project value across all permits is $1,050,001.
Permit activity at this address spans from June 2024 to February 2026, with the most recent permit being a commercial project filed under permit number 7126501-CN. The latest contractor associated with this address is ONTIVITY LLC.
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 |
|---|---|---|---|---|
| 7126501-CN | commercial | $1 | completed | Feb 4, 2026 |
| 7065639-CN | commercial | $1,000,000 | completed | Jun 23, 2025 |
| 7030077-CN | commercial | $50,000 | expired | Jun 13, 2024 |
Inferred projects
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Construction activity at 100 4TH AVE N
$1 · Feb 4, 2026 – Feb 4, 2026 · confidence 50
-
Mechanical upgrade at 100 4TH AVE N
$1,000,000 · Jun 23, 2025 – Jun 23, 2025 · confidence 50
-
Tenant improvement at 100 4TH AVE N
$50,000 · Jun 13, 2024 – Jun 13, 2024 · confidence 50
Contractors & participants
- TISHMAN CONSTRUCTION CORP contractor · 1 permit
- BLUE CORE POWER LLC contractor · 1 permit
- ONTIVITY LLC contractor · 1 permit
Nearby & related addresses
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- 325 5TH AVE N, SEATTLE, WA · 3 permits