US Bank Directory
Banks in Mercer Island, WA
8 FDIC-insured banks operate 8 offices in Mercer Island, Washington.
Source: FDIC BankFind, data as of September 5, 2026; hours checked October 10, 2026.
Bank branch map: Mercer Island
Banks sit at the coordinates in their FDIC record; credit union offices at their NCUA address, located with the U.S. Census Bureau Geocoder. Point at a marker for today's hours, tap it for the address, directions and the bank's site.
Short answer: 8 banks and credit unions operate 8 locations in Mercer Island, according to the FDIC. 8 of them have coordinates on record and are on the map. 6 publish opening hours.
Branches: FDIC, NCUA. Streets: loading.
8 locations on the map
Tap a cluster to zoom in
Positions are the regulators' own coordinates, or the Census Geocoder's point for the address, and can sit a few hundred feet from the door. Streets, buildings and parks come from OpenStreetMap through OpenFreeMap, with every street named as you zoom in; if that map cannot load, a simpler map drawn from the Census Bureau's TIGER/Line files takes its place. ATMs will follow with the Overture Maps import.
All banks in Mercer Island
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: 8 banks share the most locations in Mercer Island, with 1 each. 8 banks have a single office in the city. Open any bank to see each address, today's hours where the bank publishes them and the phone number.
Bank of America Bank · 1
Bank of America has 1 branch in Mercer Island, 119 across Washington and 3,598 nationwide. FDIC records list its main office in Charlotte, NC and show it operating since 1904. With $2.65 trillion in total assets on June 30, 2026, it ranks No. 2 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 2830 80th Ave Se dates to 1950 in FDIC branch records. It opens on Saturday.
-
Mercer Island Branch2830 80th Ave Se, 98040
All hours
Mon closed; Tue to Fri 9 am to 4 pm; Sat 10 am to 2 pm; Sun closed
Hours: Bank of America branch locator (All The Places), checked Oct 10, 2026
Banner Bank Bank · 1
Banner Bank has 1 branch in Mercer Island, 69 across Washington and 147 nationwide. FDIC records list its main office in Walla Walla, WA and show it operating since 1890. With $16.59 billion in total assets on June 30, 2026, it ranks No. 120 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 2918 78th Ave Se dates to 2005 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Mercer Island Branch2918 78th Ave Se, 98040
Chase Bank · 1
Chase has 1 branch in Mercer Island, 149 across Washington and 5,176 nationwide. FDIC records list its main office in Columbus, OH and show it operating since 1824. With $4.09 trillion in total assets on June 30, 2026, it ranks No. 1 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 7900 Se 28th St dates to 1916 in FDIC branch records. It opens on Saturday.
-
Mercer Island Branch7900 Se 28th St, 98040
All hours
Mon to Fri 9 am to 5 pm; Sat 9 am to 1 pm; Sun not published
Hours: Chase branch locator (All The Places), checked Oct 10, 2026
Columbia Bank Bank · 1
Columbia Bank has 1 branch in Mercer Island, 111 across Washington and 369 nationwide. FDIC records list its main office in Roseburg, OR and show it operating since 1953. With $65.37 billion in total assets on June 30, 2026, it ranks No. 44 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 7803 Se 27th St dates to 2006 in FDIC branch records. Its published hours do not list Saturday.
-
Mercer Island Branch7803 Se 27th St, 98040
All hours
Mon to Fri 9 am to 5 pm; Sat to Sun closed
Hours: Columbia Bank branch locator (All The Places), checked Oct 10, 2026
KeyBank Bank · 1
KeyBank has 1 branch in Mercer Island, 139 across Washington and 952 nationwide. FDIC records list its main office in Cleveland, OH and show it operating since 1849. With $188.56 billion in total assets on June 30, 2026, it ranks No. 23 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 2731 77th Ave Se dates to 1979 in FDIC branch records. It opens on Saturday.
-
Mercer Island Branch2731 77th Ave Se, 98040
All hours
Mon to Thu 9 am to 5 pm; Fri 9 am to 6 pm; Sat 10 am to 1:30 pm; Sun not published
Hours: KeyBank branch locator (All The Places), checked Oct 10, 2026
U.S. Bank Bank · 1
U.S. Bank has 1 branch in Mercer Island, 136 across Washington and 2,097 nationwide. FDIC records list its main office in Cincinnati, OH and show it operating since 1863. With $705.55 billion in total assets on June 30, 2026, it ranks No. 6 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 2737 78th Ave Se dates to 1993 in FDIC branch records. Its published hours do not list Saturday.
-
Mercer Island Branch2737 78th Ave Se, 98040
All hours
Mon not published; Tue to Fri 9 am to 5 pm; Sat to Sun not published
Hours: U.S. Bank branch locator (All The Places), checked Oct 10, 2026
WaFd Bank Bank · 1
WaFd Bank has 1 branch in Mercer Island, 75 across Washington and 214 nationwide. FDIC records list its main office in Seattle, WA and show it operating since 1917. With $27.58 billion in total assets on June 30, 2026, it ranks No. 79 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 7633 Se 27th St dates to 2026 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Mercer Island Branch7633 Se 27th St, 98040
Wells Fargo Bank · 1
Wells Fargo has 1 branch in Mercer Island, 112 across Washington and 4,161 nationwide. FDIC records list its main office in Sioux Falls, SD and show it operating since 1870. With $1.91 trillion in total assets on June 30, 2026, it ranks No. 4 of 4,232 U.S. banks by total assets. The Mercer Island Branch at 3001 78th Ave Se dates to 1992 in FDIC branch records. It opens on Saturday.
-
Mercer Island Branch3001 78th Ave Se, 98040
All hours
Mon to Fri 9 am to 5 pm; Sat 9 am to 2 pm; Sun not published
Hours: Wells Fargo branch locator (All The Places), checked Oct 10, 2026
Banking in Mercer Island: the local picture
Short answer: 8 banks run 8 branches in Mercer Island according to the FDIC. A population estimate for this place is not available from the Census Bureau, so branches per resident are not shown.
Of the 8 banks, 0 have their main office in Mercer Island, 2 elsewhere in Washington and 6 out of state, according to the FDIC.
The bank with the longest record here is Chase, operating since 1824 according to the FDIC. In FDIC branch records, the longest-running branch is Chase's office at 7900 Se 28th St, dating to 1916; the newest is WaFd Bank's at 7633 Se 27th St, from 2026.
Of the 6 locations with published hours. 4 open on Saturday. 2 locations have no published hours in these sources.
Banks open on Saturday in Mercer Island
Short answer: 4 of the 6 Mercer Island locations with published hours open on Saturday, run by 4 institutions.
- Chase: 1 of 1 branch (7900 Se 28th St: Saturday 9 am to 1 pm)
- Bank of America: 1 of 1 branch (2830 80th Ave Se: Saturday 10 am to 2 pm)
- Wells Fargo: 1 of 1 branch (3001 78th Ave Se: Saturday 9 am to 2 pm)
- KeyBank: 1 of 1 branch (2731 77th Ave Se: Saturday 10 am to 1:30 pm)
Bank branches show hours only where the bank publishes them in a source this page uses; 2 of the 8 locations here have no published hours yet. The source and date sit under each office. Banks and credit unions often close on Federal Reserve holidays; call ahead.
Chase, Bank of America and other national banks
Which big national banks have branches in Mercer Island, and where the nearest one is if they do not.
Short answer: In Mercer Island: Chase (1), Wells Fargo (1), Bank of America (1), U.S. Bank (1). No branches in Mercer Island: PNC Bank, Truist, Fifth Third Bank, Huntington, Regions Bank, TD Bank, BMO (nearest in Seattle, 5 mi).
| Bank | In Mercer Island | Nearest branch if none here |
|---|---|---|
| Chase | 1 branch | here |
| Wells Fargo | 1 branch | here |
| Bank of America | 1 branch | here |
| U.S. Bank | 1 branch | here |
| PNC Bank | None | none in Washington |
| Truist | None | none in Washington |
| Fifth Third Bank | None | none in Washington |
| Huntington | None | none in Washington |
| Regions Bank | None | none in Washington |
| TD Bank | None | none in Washington |
| BMO | None | Seattle, 5 miles away |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Mercer Island to the nearest branch in Washington.
What your savings could earn
National benchmarks and the best published offers, from the Banrox Bank Rates tracker. Enter your own balance and rate to compare.
Short answer: At the national average savings rate of 0.38%, $10,000 kept in savings for a year earns about $38. The best published savings rate in the tracker, 3.75% at CIT Bank, earns about $375. The national average 12-month CD pays 1.71%.
| Offer | Bank | APY | Term | Minimum |
|---|---|---|---|---|
| Savings | CIT Bank | 3.75% | none | $5,000 |
| Savings | Barclays | 3.50% | none | $0 |
| Savings | Marcus by Goldman Sachs | 3.40% | none | $0 |
| CD | Synchrony Bank | 4.35% | 60 Months | $0 |
| CD | Marcus by Goldman Sachs | 4.35% | 24 Months | $500 |
| CD | American Express National Bank | 4.25% | 10 Months | $0 |
Rates are the banks' published APYs as tracked on the Banrox Bank Rates page, with the date next to each benchmark; they are not offers from Banrox and can change daily. Interest is before tax. The best offers are mostly online banks and are open to Mercer Island residents like anyone else.
Banks near Mercer Island
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Bellevue (3 miles) and Newcastle (5 miles). Seattle, 5 miles away, has the most banks nearby: 28.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Bellevue, WA | 3 mi | 24 | 56 |
| Banks in Newcastle, WA | 5 mi | 4 | 4 |
| Banks in Seattle, WA | 5 mi | 28 | 174 |
| Banks in Kirkland, WA | 8 mi | 8 | 16 |
| Banks in Renton, WA | 8 mi | 7 | 16 |
| Banks in Redmond, WA | 8 mi | 9 | 16 |
| Banks in Tukwila, WA | 9 mi | 5 | 5 |
| Banks in Issaquah, WA | 9 mi | 10 | 13 |
Bank branch openings and closings in Mercer Island
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show 1 branch opening in Mercer Island between September 5, 2025 and September 5, 2026.
| Date | Change | Bank | Address |
|---|---|---|---|
| May 18, 2026 | Opened | WaFd Bank | 7633 Se 27th St, 98040 |
Effective dates as recorded in FDIC BankFind branch history. Closings and relocations are not tracked by the sources this page uses yet. Credit union offices are not included; the NCUA does not publish opening dates.
Largest banks in Mercer Island by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Mercer Island offices.
Short answer: Chase is the largest bank with offices in Mercer Island, with $4.09 trillion in total assets on June 30, 2026, No. 1 among U.S. banks by total assets. Bank of America is second with $2.65 trillion. Local deposit shares will follow once the FDIC Summary of Deposits is imported.
| Bank | Total assets | Rank | Offices here | Main office |
|---|---|---|---|---|
| Chase | $4.09 trillion | No. 1 | 1 | Columbus, OH |
| Bank of America | $2.65 trillion | No. 2 | 1 | Charlotte, NC |
| Wells Fargo | $1.91 trillion | No. 4 | 1 | Sioux Falls, SD |
| U.S. Bank | $705.55 billion | No. 6 | 1 | Cincinnati, OH |
| KeyBank | $188.56 billion | No. 23 | 1 | Cleveland, OH |
| Columbia Bank | $65.37 billion | No. 44 | 1 | Roseburg, OR |
| WaFd Bank | $27.58 billion | No. 79 | 1 | Seattle, WA |
| Banner Bank | $16.59 billion | No. 120 | 1 | Walla Walla, WA |
Total assets and ranks from FDIC BankFind as of June 30, 2026. Rank is among active banks that report total assets to the FDIC.
Banks in Mercer Island: FAQ
How many banks are in Mercer Island, WA?
Mercer Island has 8 banks with 8 branches, according to FDIC data as of September 5, 2026.
Which bank has the most branches in Mercer Island?
Chase, with 1. Bank of America has 1 and Wells Fargo has 1.
Is there a Chase in Mercer Island, WA?
Yes. FDIC data lists 1 Chase branch in Mercer Island as of September 5, 2026. The address and directions are under Chase above.
Is there a Bank of America in Mercer Island, WA?
Yes. FDIC data lists 1 Bank of America branch in Mercer Island as of September 5, 2026. The address and directions are under Bank of America above.
Is there a Wells Fargo in Mercer Island, WA?
Yes. FDIC data lists 1 Wells Fargo branch in Mercer Island as of September 5, 2026. The address and directions are under Wells Fargo above.
Which banks in Mercer Island are open on Saturday?
Chase, Bank of America, Wells Fargo and KeyBank publish Saturday hours for one or more Mercer Island locations. The Saturday section above lists each one with its hours. 2 of the 8 locations here do not publish hours in the sources this page uses; call ahead.
What is the oldest bank in Mercer Island?
Chase has the longest record among banks with a branch here: the FDIC shows it operating since 1824.
Did any bank branches open or close in Mercer Island in the past year?
FDIC branch records show 1 branch opening between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Where can I find more banks near Mercer Island?
Nearby cities with more banks include Bellevue, Newcastle, Seattle. Bellevue is 3 miles away with 24 banks.
How we build this page
Every figure above comes from one of these sources. Nothing is typed by hand, nothing is estimated.
| Data | Source | License | Updated | Data as of |
|---|---|---|---|---|
| FDIC-insured banks: branches, main offices, total assets, dates established | FDIC BankFind Suite API | Public data (U.S. government) | Monthly import | Sep 5, 2026 |
| Bank branch hours, phones and branch pages (6 of 8 branches: Bank of America, Chase, Columbia Bank, KeyBank, U.S. Bank, Wells Fargo) | The banks' own branch locators, collected by All The Places | CC0 (All The Places data); each bank's locator is the primary source | Weekly spider run, monthly refresh here | Oct 10, 2026 |
| Savings and CD rates, national averages | Banrox Bank Rates | Banrox, from the banks' own rate pages and FDIC national rates | Weekly | see each rate |
See your odds before you apply
Banrox shows how likely a card or loan is for your profile, from your own data, without a hard pull. Platform live; card in early access; no card issued.
Check your odds