Preview Preview: 10,331 permits loaded from Chicago, Austin and Seattle. More cities are being added. Sourced from city open-data portals. Data as of 2026-09-12.

601 UNION ST

SEATTLE, WA 98101

4 permits on record, mostly alteration work — general/building.

Permits on record4
Declared value
Most recent2026-08-07
Earliest2026-07-27
  1. 2026-08-07

    Tenant Improvment — Building

    Construct blanket permit tenant improvements to Kilpatrick Townsend on the 41st floor of existing commercial building per plan.

    Declared value Status IssuedPermit 7154032-BK
  2. 2026-08-07

    Tenant Improvment — Building

    Construct blanket permit tenant improvements to JLL on the 28th floor of existing commercial building per plan.

    Declared value Status IssuedPermit 7151762-BK
  3. 2026-08-04

    Tenant Improvment — Building

    Construct blanket permit tenant improvements to Washington Holdings on the 41st floor of existing commercial building per plan.

    Declared value Status IssuedPermit 7151763-BK
  4. 2026-07-27

    Tenant Improvment — Building

    Construct blanket permit tenant improvements to Puget Sound Clean Air Agency on parking level B of existing commercial building per plan.

    Declared value Status IssuedPermit 7154701-BK

Other addresses on this street

Permit records published by the City of Seattle. Each entry links to the city's own record where the city provides one.