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.

800 UNION ST

SEATTLE, WA 98101

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

Permits on record3
Declared value
Most recent2026-08-13
Earliest2026-07-23
  1. 2026-08-13

    Tenant Improvment — Building

    Construct blanket permit tenant improvements to Oppenheimer & Co. Inc. on the 21st floor of existing commercial building per plan.

    Declared value Status IssuedPermit 7145954-BK
  2. 2026-08-13

    Tenant Improvment — Building

    Construct blanket permit tenant improvements to Oppenheimer & Co. Inc. on the 21st floor of existing commercial building per plan.

    Declared value Status IssuedPermit 7145949-BK
  3. 2026-07-23

    Tenant Improvment — Building

    Construct blanket permit tenant improvements to Mutual of Enumclaw on the 11th floor of existing commercial building per plan.

    Declared value Status CompletedPermit 7145725-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.