2101 1st Ave
Building permits, Seattle, WA
2101 1st Ave, Seattle has 4 building permits on record. The most recent, issued Mar 6, 2026, is for addition or alteration: Change of use from general retail sales and services to office per land use code. Construct tenant improvements for office at basement and 1st floor of existing commercial building…
All permits at this address
| Date | Type | Work | Cost |
|---|---|---|---|
| Addition or alteration | Change of use from general retail sales and services to office per land use code. Construct tenant improvements for office at basement and 1st floor of existing commercial… | $616,902 | |
| Multifamily | Removal of existing roofing layer and installation of Duro-Last Single-Ply PVC membrane. No insulation upgrades required. | $524,515 | |
| Addition or alteration | Construct new rear exterior exit door and stair off the Guiry/Schillestad Bldg. per plan | $22,000 | |
| Addition or alteration | Tenant Improvement to change use from retail to office for "Makers Shared Offices" in basement and occupy per plan. | $158,825 |
Checked 2026-10-01 10:00 UTC against Seattle Department of Construction and Inspections permit data. Markdown · JSON