Branch Network
Columbia Bank Locations & Branches Lake Oswego, Oregon
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Columbia Bank operates 360 branches from its headquarters in Lake Oswego, OR, .
Columbia Bank branch network
Its 360 branches span 8 states and 275 cities. The most are in OREGON (109), WASHINGTON (106) and CALIFORNIA (104). OREGON holds 37.1% of its branch deposits. Portland, OR has the most of its branches, 13. Its largest office by deposits is its main office in Roseburg, OR, with $7.64B (14.6% of its branch deposits). On June 30, 2025 it had 307 branches, 53 fewer than in 2026.
Columbia Bank at a glance
Its CET1 capital ratio was 12.21% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $65.37B
- CET1 ratio, Q2 2026
- 12.21%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1953
Full financial profile · Is Columbia Bank safe? · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Lake Oswego, OR (2 branches) | 9 of 14 | 3.1% | $94.3M |
| State: OR (109 branches) | 2 of 33 | 18.3% | $19.36B |
Ranked by total assets among banks headquartered in the state: Largest banks in Oregon.
Share by county and metro area
Columbia Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Douglas, OR (8 branches) | 1 of 7 | 90.1% | $8.39B | $9.31B |
| Pierce, WA (17 branches) | 1 of 22 | 32.5% | $6.11B | $18.77B |
| King, WA (25 branches) | 7 of 38 | 3.7% | $3.88B | $104.11B |
| Los Angeles, CA (12 branches) | 23 of 91 | 0.5% | $2.54B | $507.70B |
| Orange, CA (10 branches) | 15 of 73 | 1.4% | $2.14B | $156.41B |
| Clark, WA (8 branches) | 2 of 17 | 17.3% | $1.43B | $8.25B |
| Lane, OR (8 branches) | 1 of 14 | 20.5% | $1.40B | $6.84B |
| Multnomah, OR (13 branches) | 6 of 20 | 3.8% | $1.27B | $33.32B |
| Washington, OR (8 branches) | 5 of 16 | 10.7% | $1.23B | $11.53B |
| Marion, OR (10 branches) | 2 of 13 | 18.5% | $1.18B | $6.41B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Seattle-Tacoma-Bellevue, WA (50 branches) | 5 of 43 | 7.4% | $10.52B | $142.98B |
| Roseburg, OR (8 branches) | 1 of 7 | 90.1% | $8.39B | $9.31B |
| Portland-Vancouver-Hillsboro, OR-WA (42 branches) | 5 of 26 | 7.8% | $5.10B | $65.02B |
| Los Angeles-Long Beach-Anaheim, CA (22 branches) | 23 of 107 | 0.7% | $4.68B | $664.11B |
| Sacramento-Roseville-Folsom, CA (12 branches) | 8 of 37 | 1.9% | $1.80B | $96.40B |
| Eugene-Springfield, OR (8 branches) | 1 of 14 | 20.5% | $1.40B | $6.84B |
| Salem, OR (12 branches) | 2 of 13 | 19.0% | $1.37B | $7.22B |
| Riverside-San Bernardino-Ontario, CA (9 branches) | 8 of 35 | 1.6% | $1.30B | $79.56B |
| San Luis Obispo-Paso Robles, CA (8 branches) | 4 of 14 | 12.9% | $1.12B | $8.66B |
| San Diego-Chula Vista-Carlsbad, CA (7 branches) | 17 of 42 | 0.6% | $843.7M | $134.97B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Columbia Bank (main office) | Roseburg, OR | 97470 | $7.64B |
| 1301 A Street Branch | Tacoma, WA | 98402 | $4.13B |
| 3rd & Seneca Branch | Seattle, WA | 98101 | $930.2M |
| Encino Branch | Encino, CA | 91436 | $734.0M |
| Irvine Financialhub Branch | Irvine, CA | 92614 | $618.3M |
| Roseville Main Branch | Roseville, CA | 95661 | $605.0M |
| Vancouver Branch | Vancouver, WA | 98660 | $528.1M |
| Bellevue 112th Branch | Bellevue, WA | 98004 | $508.8M |
| Olive Branch | Eugene, OR | 97401 | $480.6M |
| Pacific Premier Bank Branch | Irvine, CA | 92614 | $420.3M |
| Brentwood Branch | Los Angeles, CA | 90049 | $410.3M |
| Riverside Branch | Riverside, CA | 92501 | $406.6M |
| Bellevue Way Branch | Bellevue, WA | 98004 | $353.1M |
| Salem Downtown Branch | Salem, OR | 97301 | $349.4M |
| Moana Bank Branch | Reno, NV | 89502 | $343.0M |
| Santa Maria Branch | Santa Maria, CA | 93454 | $332.6M |
| Newport Beach Branch | Newport Beach, CA | 92660 | $331.4M |
| Crenshaw Financial Hub Branch | Los Angeles, CA | 90016 | $325.9M |
| Lake Oswego Pacific Corporate Center Branch | Tigard, OR | 97224 | $318.8M |
| Portland Main Branch | Portland, OR | 97204 | $294.3M |
| Santa Barbara Branch | Santa Barbara, CA | 93101 | $286.8M |
| Chehalis Branch | Chehalis, WA | 98532 | $274.1M |
| West 11th Branch | Eugene, OR | 97402 | $273.8M |
| Fox Tower | Portland, OR | 97205 | $267.4M |
| Morro Street Branch | San Luis Obispo, CA | 93401 | $257.5M |
| Fircrest Branch | Fircrest, WA | 98466 | $255.4M |
| Sacramento River Park Dr Branch | Sacramento, CA | 95815 | $247.4M |
| Gig Harbor Branch | Gig Harbor, WA | 98335 | $246.1M |
| Sterling Spokane Branch | Spokane, WA | 99201 | $246.1M |
| 12th Street Branch | Paso Robles, CA | 93446 | $244.8M |
| Yuba City Hwy 20 Branch | Yuba City, CA | 95991 | $238.2M |
| Churn Creek Branch | Redding, CA | 96002 | $234.5M |
| San Diego Branch | San Diego, CA | 92130 | $232.8M |
| Beaverton Branch | Beaverton, OR | 97005 | $230.0M |
| Los Alamitos Branch | Los Alamitos, CA | 90720 | $228.2M |
| Hazel Dell Branch | Vancouver, WA | 98665 | $224.9M |
| Gateway Branch | Springfield, OR | 97477 | $223.3M |
| Tanasbourne Branch | Hillsboro, OR | 97006 | $217.5M |
| Oakway Center Branch | Eugene, OR | 97401 | $213.4M |
| Capitol Hill Branch | Seattle, WA | 98102 | $213.0M |
| Tualatin-Sherwood Branch | Tualatin, OR | 97062 | $212.7M |
| Palm Springs Branch | Palm Springs, CA | 92262 | $210.0M |
| Lakewood Branch | Lakewood, WA | 98499 | $209.8M |
| Redding Branch | Redding, CA | 96001 | $205.4M |
| Fairfax Branch | Los Angeles, CA | 90036 | $205.3M |
| Pasadena Branch | Pasadena, CA | 91101 | $204.3M |
| Arroyo Grande Branch | Arroyo Grande, CA | 93420 | $185.0M |
| San Bernardino Branch | San Bernardino, CA | 92401 | $183.2M |
| Hood River Branch | Hood River, OR | 97031 | $183.0M |
| Eureka Main Branch | Eureka, CA | 95501 | $178.6M |
| Denver Tech Center Branch | Denver, CO | 80237 | $178.4M |
| Downtown Grants Pass Branch | Grants Pass, OR | 97526 | $178.0M |
| Vista Branch | Vista, CA | 92083 | $178.0M |
| Soscol Main Branch | Napa, CA | 94559 | $173.1M |
| Salem South Branch | Salem, OR | 97302 | $173.0M |
| Santa Rosa Main Branch | Santa Rosa, CA | 95404 | $172.7M |
| 176th & Meridian | Puyallup, WA | 98375 | $170.1M |
| Sandpoint Branch | Sandpoint, ID | 83864 | $169.0M |
| West Olympia Branch | Olympia, WA | 98502 | $167.7M |
| Medford Main Branch | Medford, OR | 97501 | $166.5M |
| Fullerton Branch | Fullerton, CA | 92832 | $164.5M |
| Coos Bay Branch | Coos Bay, OR | 97420 | $163.2M |
| Sonora Junction Branch | Sonora, CA | 95370 | $162.9M |
| West Roseburg Branch | Roseburg, OR | 97471 | $162.4M |
| Enumclaw Branch | Enumclaw, WA | 98022 | $159.2M |
| South Auburn Branch | Auburn, CA | 95603 | $158.5M |
| Hawthorne Branch | Portland, OR | 97214 | $158.2M |
| Clackamas Branch | Happy Valley, OR | 97086 | $157.5M |
| Hollywood Branch | Portland, OR | 97212 | $152.9M |
| 43rd & Meridian Branch | Puyallup, WA | 98373 | $152.1M |
| El Segundo - Rosecrans Avenue Branch | El Segundo, CA | 90245 | $149.7M |
| La Jolla Office Branch | La Jolla, CA | 92037 | $148.5M |
| Brookings Branch | Brookings, OR | 97415 | $146.5M |
| Vancouver Fisher's Landing Branch | Vancouver, WA | 98683 | $146.0M |
| Pasco 20th Ave Branch | Pasco, WA | 99301 | $145.3M |
| Garden Valley Branch | Roseburg, OR | 97471 | $144.4M |
| Moscow Branch | Moscow, ID | 83843 | $143.2M |
| Century Drive Branch | Bend, OR | 97702 | $142.4M |
| Orange Branch | Orange, CA | 92867 | $141.6M |
| Stanford Ranch Branch | Rocklin, CA | 95765 | $140.6M |
| Lynnwood Branch | Lynnwood, WA | 98036 | $137.8M |
| Tillamook Branch | Tillamook, OR | 97141 | $137.5M |
| Auburn Branch | Auburn, WA | 98002 | $137.5M |
| San Diego Branch | San Diego, CA | 92101 | $136.6M |
| Portland Pearl District Branch | Portland, OR | 97209 | $135.1M |
| Hermiston Branch | Hermiston, OR | 97838 | $134.4M |
| Vancouver Salmon Creek Branch | Vancouver, WA | 98686 | $134.3M |
| Canby Branch | Canby, OR | 97013 | $133.5M |
| Broadway Boulevard Branch | Tucson, AZ | 85711 | $132.3M |
| Battle Ground Branch | Battle Ground, WA | 98604 | $130.5M |
| Redlands Branch | Redlands, CA | 92373 | $130.3M |
| Atascadero Branch | Atascadero, CA | 93422 | $129.9M |
| Allenmore Branch | Tacoma, WA | 98405 | $129.0M |
| The Dalles Branch | The Dalles, OR | 97058 | $128.9M |
| Klamath - Shasta Branch | Klamath Falls, OR | 97603 | $128.2M |
| Mcminnville Branch | Mcminnville, OR | 97128 | $127.0M |
| Burien Branch | Burien, WA | 98166 | $126.6M |
| Westgate Branch | Tacoma, WA | 98406 | $126.5M |
| Issaquah Branch | Issaquah, WA | 98027 | $126.2M |
| Proctor Financial Hub Branch | Tacoma, WA | 98407 | $126.0M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 17266) · FFIEC NIC profile (RSSD 143662)