South Lake Union building permits — week of September 21, 2026
Building and land-use permits published for South Lake Union the week of September 21, 2026, from the City of Seattle SDCI datasets.
In the week of September 21, 2026, South Lake Union logged 6 permits — 2 newly filed and 4 newly issued — across Seattle's building and land-use permitting, representing an estimated $6.1M in construction value. The largest project on file was “Change use from office to laboratory and lab support per land use code. Construct interi…” — a Over $2M job. Most activity fell in the $100k–500k range.
- 2
- New applications
- 4
- Issued permits
- 6
- Total permits
- $6.1M
- Est. project value
Projects by value band
Notable projects
Owner names and mailing addresses are available to subscribers.
Change use from office to laboratory and lab support per land use code. Construct interior non-structural tenant improvements to Level 6 shell and core office space and occupy per plan.
Construct tenant improvements in commercial building on Levels 9 & 13 per plan.
Construct alterations at shared circulation area for 2 tenants at floor 1 of existing medical office building per plan.
Change of use from general sales and services to medical services per land use code. Construct initial tenant improvements to existing commercial building at ground level suite 8 (ATI Physical Therapy) occupy per plan. Mechanical included.
Construct tenant improvements to existing commercial building to create 2 tenant spaces at floor 1 per plan.
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