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Private company

Columbia Bank

American bank based in Tacoma, Washington

Columbia Bank is a bank based in Portland, Oregon. It is the primary subsidiary of Tacoma, Washington based financial holding company Columbia Banking System, Inc.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Portland, Oregon - US - June 2026 - 046
Photo: Another Believer, CC BY-SA 4.0, via Wikimedia Commons3

Columbia Bank is a bank based in Portland, Oregon. It is the primary subsidiary of Tacoma, Washington based financial holding company Columbia Banking System, Inc.2

Corporate structure

Columbia Bank is part of a group headed by COLUMBIA BANKING SYSTEM, INC.. 26 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • COLUMBIA BANKING SYSTEM, INC. Tacoma, Washington, United States
    • Columbia Bank
    • Bank of Commerce Holdings Trust II Subsidiary · Delaware, United States
    • CIB Capital Trust Subsidiary · Delaware, United States
    • Columbia Bank Subsidiary · Lake Oswego, Oregon, United States
    • Humboldt Bancorp Statutory Trust II Subsidiary · Connecticut, United States
    • Humboldt Bancorp Statutory Trust III Subsidiary · Connecticut, United States
    • Klamath First Capital Trust I Subsidiary · Delaware, United States
    • Lynnwood Financial Statutory Trust I Subsidiary · Connecticut, United States
    • Lynnwood Financial Statutory Trust II Subsidiary · Delaware, United States
    • Sterling Capital Statutory Trust V Subsidiary · Connecticut, United States
    • Sterling Capital Trust III Subsidiary · Delaware, United States
    • Sterling Capital Trust IV Subsidiary · Delaware, United States
    • Sterling Capital Trust IX Subsidiary · Delaware, United States
    • Sterling Capital Trust VI Subsidiary · Delaware, United States
    • Sterling Capital Trust VII Subsidiary · Delaware, United States
    • Sterling Capital Trust VIII Subsidiary · Delaware, United States
    • Umpqua Master Trust I Subsidiary · Delaware, United States
    • Umpqua Statutory Trust II Subsidiary · Delaware, United States
    • Umpqua Statutory Trust III Subsidiary · Delaware, United States
    • Umpqua Statutory Trust IV Subsidiary · Delaware, United States
    • Umpqua Statutory Trust V Subsidiary · Connecticut, United States
    • Western Sierra Statutory Trust I Subsidiary · Connecticut, United States
    • Western Sierra Statutory Trust II Subsidiary · Connecticut, United States
    • Western Sierra Statutory Trust III Subsidiary · Delaware, United States
    • Western Sierra Statutory Trust IV Subsidiary · Delaware, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC. Each entity in the chart links to its source.

Sources

The numbers on this page point here. Each one links to the record it came from.

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