Bank Branches › Washington › Mason County
Banks in Mason County, Washington
Mason County has 6 bank offices, 7 fewer than its peak of 13 in 1995 (−54%). They belong to 4 banks, led by KeyBank National Association with 2.
6
offices, 2026
13
peak (1995)
12
no longer reported
$372M
deposits booked
Map
open (6)no longer reported (9 of 12 have map coordinates)
The county's passbook
Bank offices reporting on June 30Deposits booked at them (nominal dollars, own scale)
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 12 | $237M | |
| Jun 30 1995PEAK | 13 | +1 | $248M |
| Jun 30 2000 | 10 | · | $270M |
| Jun 30 2005 | 12 | +1 | $378M |
| Jun 30 2010 | 12 | · | $360M |
| Jun 30 2015 | 10 | · | $364M |
| Jun 30 2020 | 8 | · | $414M |
| Jun 30 2025 | 6 | · | $376M |
| Jun 30 2026NOW | 6 | · | $372M |
Open the full passbook — all 33 years ▾
| Date | offices | Change | Deposits |
|---|---|---|---|
| Jun 30 1994 | 12 | $237M | |
| Jun 30 1995PEAK | 13 | +1 | $248M |
| Jun 30 1996 | 13 | · | $252M |
| Jun 30 1997 | 10 | −3 | $233M |
| Jun 30 1998 | 11 | +1 | $239M |
| Jun 30 1999 | 10 | −1 | $285M |
| Jun 30 2000 | 10 | · | $270M |
| Jun 30 2001 | 10 | · | $281M |
| Jun 30 2002 | 10 | · | $295M |
| Jun 30 2003 | 11 | +1 | $304M |
| Jun 30 2004 | 11 | · | $321M |
| Jun 30 2005 | 12 | +1 | $378M |
| Jun 30 2006 | 12 | · | $366M |
| Jun 30 2007 | 12 | · | $364M |
| Jun 30 2008 | 12 | · | $361M |
| Jun 30 2009 | 12 | · | $384M |
| Jun 30 2010 | 12 | · | $360M |
| Jun 30 2011 | 11 | −1 | $341M |
| Jun 30 2012 | 11 | · | $339M |
| Jun 30 2013 | 10 | −1 | $336M |
| Jun 30 2014 | 10 | · | $356M |
| Jun 30 2015 | 10 | · | $364M |
| Jun 30 2016 | 10 | · | $391M |
| Jun 30 2017 | 10 | · | $412M |
| Jun 30 2018 | 9 | −1 | $411M |
| Jun 30 2019 | 8 | −1 | $367M |
| Jun 30 2020 | 8 | · | $414M |
| Jun 30 2021 | 8 | · | $471M |
| Jun 30 2022 | 7 | −1 | $464M |
| Jun 30 2023 | 6 | −1 | $382M |
| Jun 30 2024 | 6 | · | $364M |
| Jun 30 2025 | 6 | · | $376M |
| Jun 30 2026NOW | 6 | · | $372M |
Banks in Mason County
| Bank | Offices | Deposits here |
|---|---|---|
| KeyBank National Association | 2 | $123M |
| Heritage Bank | 2 | $114M |
| Columbia Bank | 1 | $84.1M |
| Olympia Federal Savings and Loan Association | 1 | $51.5M |
Every bank office open in Mason County
| Bank | Address | Deposits |
|---|---|---|
| KeyBank National AssociationShelton Branch | 410 W Railroad AveShelton 98584 | $88.3M |
| Columbia BankShelton Branch | 2307 Olympic Highway NorthShelton 98584 | $84.1M |
| Heritage BankShelton Branch | 301 E Wallace Kneeland Blvd, Ste 115Shelton 98584 | $64.6M |
| Olympia Federal Savings and Loan AssociationBelfair Branch | 24081 Ne State Route 3Belfair 98528 | $51.5M |
| Heritage BankBelfair Branch | 24180 Ne State Route 3Belfair 98528 | $49.1M |
| KeyBank National AssociationBelfair Branch | 23731 Ne State Route 3Belfair 98528 | $34.4M |
Sorted by deposits booked on June 30, 2026. "Opened" is the establishment date in the FDIC record.
Offices no longer reported
Offices in Mason County that filed a report in some year from 1994 on and are missing from 2026. Most closed; some were sold to non-banks or converted. Newest departures first.
| Last bank on the sign | Address | Last report |
|---|---|---|
| Jpmorgan Chase Bank, National Association | 201 Ne State Route 300Belfair 98528 | 2022 |
| Columbia State Bank | 24341 N Hwy 101Hoodsport 98548 | 2021 |
| Bank of America, National Association | 425 Franklin StreetShelton 98584 | 2018 |
| Anchor Bank | 100 E Wallace Kneeland BlvdShelton 98584 · Full-service retail office | 2017 |
| Columbia State Bank | 23961 Ne State Route 3Belfair 98528 · Full-service retail office | 2012 |
| Kitsap Bank | 18343 Highway 3, Allyn CenterAllyn 98524 | 2010 |
| Olympia Federal Savings and Loan Association | Ne 21 Hwy 300Belfair 98528 | 2010 |
| Washington Mutual Bank | Ne 201 State Route 300Belfair 98528 | 2008 |
| Centennial Bank | 116 West RailroadShelton 98584 | 1998 |
| Northwestern Bank, National Association | Northeast 122nd Highway 300Belfair 98528 | 1996 |
| Key Savings Bank | Northeast 23731 Highway 3Belfair 98528 | 1996 |
| Key Savings Bank | 401 West Railroad AvenueShelton 98584 | 1996 |
County FIPS 53045 · 960 square miles of land (2024 Census Gazetteer).