US Bank Directory
Banks in Mamaroneck, NY
9 FDIC-insured banks operate 9 offices in Mamaroneck, New York, and 1 credit union has 1 office.
Source: FDIC BankFind, data as of September 5, 2026; NCUA call report as of March 31, 2026; hours checked October 10, 2026.
Bank branch map: Mamaroneck
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: 10 banks and credit unions operate 10 locations in Mamaroneck, according to the FDIC and the NCUA. 10 of them have coordinates on record and are on the map. 5 publish opening hours.
Branches: FDIC, NCUA. Streets: loading.
10 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 and credit unions in Mamaroneck
Sorted by number of local branches. Each branch shows where its hours and phone number come from.
Short answer: 9 banks share the most locations in Mamaroneck, with 1 each. 9 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 Mamaroneck, 251 across New York 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 Mamaroneck - Post Road Branch at 1160 W Boston Post Rd dates to 2011 in FDIC branch records. It opens on Saturday.
-
Mamaroneck - Post Road Branch1160 W Boston Post Rd, 10543
All hours
Mon closed; Tue to Fri 9 am to 4 pm; Sat 9 am to 2 pm; Sun closed
Hours: Bank of America branch locator (All The Places), checked Oct 10, 2026
Chase Bank · 1
Chase has 1 branch in Mamaroneck, 581 across New York 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 Mamaroneck Branch at 242 Mamaroneck Ave dates to 1935 in FDIC branch records. It opens on Saturday.
-
Mamaroneck Branch242 Mamaroneck Ave, 10543
All hours
Mon to Fri 9 am to 5 pm; Sat 9 am to 2 pm; Sun not published
Hours: Chase branch locator (All The Places), checked Oct 10, 2026
Citibank Bank · 1
Citibank has 1 branch in Mamaroneck, 216 across New York and 667 nationwide. FDIC records list its main office in Sioux Falls, SD and show it operating since 1812. With $1.98 trillion in total assets on June 30, 2026, it ranks No. 3 of 4,232 U.S. banks by total assets. The Mamaroneck Branch at 711 E Boston Post Rd dates to 1963 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Mamaroneck Branch711 E Boston Post Rd, 10543
M&T Bank Bank · 1
M&T Bank has 1 branch in Mamaroneck, 275 across New York and 960 nationwide. FDIC records list its main office in Buffalo, NY and show it operating since 1856. With $218.79 billion in total assets on June 30, 2026, it ranks No. 21 of 4,232 U.S. banks by total assets. The Mamaroneck Branch at 300 Mamaroneck Ave dates to 2006 in FDIC branch records. It opens on Saturday.
-
Mamaroneck Branch300 Mamaroneck Ave, 10543
All hours
Mon closed; Tue to Thu 9 am to 4 pm; Fri 9 am to 5 pm; Sat 9 am to 12 pm; Sun closed
Hours: M&T Bank branch locator (All The Places), checked Oct 10, 2026
Mamta Credit Union Credit union · 1
Mamta Credit Union has 1 office in Mamaroneck, 1 across New York. It is based in Mamaroneck, NY and $8.5 million in assets on March 31, 2026, according to its NCUA call report. Its published hours do not list Saturday.
Who can join: see the credit union's site.
-
Main Office main office1000 W Boston Post Rd Mamaroneck High School, 10543
All hours
Mon to Thu 7:30 am to 3:30 pm; Fri 7:30 am to 3 pm; Sat to Sun not published
Hours: NCUA, March 31, 2026
Orange Bank Bank · 1
Orange Bank has 1 branch in Mamaroneck, 16 across New York and 16 nationwide. FDIC records list its main office in Middletown, NY and show it operating since 1892. With $2.79 billion in total assets on June 30, 2026, it ranks No. 461 of 4,232 U.S. banks by total assets. The Mamaroneck Branch at 1214 E Boston Post Rd dates to 2016 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Mamaroneck Branch1214 E Boston Post Rd, 10543
Santander Bank · 1
Santander has 1 branch in Mamaroneck, 134 across New York and 368 nationwide. FDIC records list its main office in Wilmington, DE and show it operating since 1907. With $103.96 billion in total assets on June 30, 2026, it ranks No. 32 of 4,232 U.S. banks by total assets. The Mamaroneck Branch at 1265 E Boston Post Rd dates to 2004 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Mamaroneck Branch1265 E Boston Post Rd, 10538
TD Bank Bank · 1
TD Bank has 1 branch in Mamaroneck, 231 across New York and 1,051 nationwide. FDIC records list its main office in Wilmington, DE and show it operating since 1852. With $342.80 billion in total assets on June 30, 2026, it ranks No. 13 of 4,232 U.S. banks by total assets. The Mamaroneck Branch at 1521 E Boston Road dates to 2004 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Mamaroneck Branch1521 E Boston Road, 10543
Trustco Bank Bank · 1
Trustco Bank has 1 branch in Mamaroneck, 80 across New York and 133 nationwide. FDIC records list its main office in Glenville, NY and show it operating since 1925. With $6.52 billion in total assets on June 30, 2026, it ranks No. 238 of 4,232 U.S. banks by total assets. The Mamaroneck Branch at 180 E Boston Post Rd # 190 dates to 2006 in FDIC branch records. It does not publish hours in the sources this page uses; check its site before you go.
-
Mamaroneck Branch180 E Boston Post Rd # 190, 10543
Valley Bank Bank · 1
Valley Bank has 1 branch in Mamaroneck, 41 across New York and 232 nationwide. FDIC records list its main office in Passaic, NJ and show it operating since 1927. With $66.23 billion in total assets on June 30, 2026, it ranks No. 43 of 4,232 U.S. banks by total assets. The Downtown Mamaroneck Branch at 305 Mamaroneck Ave dates to 2015 in FDIC branch records. Its published hours do not list Saturday.
-
Downtown Mamaroneck Branch305 Mamaroneck Ave, 10543
All hours
Mon to Fri 8:30 am to 4:30 pm; Sat to Sun closed
Hours: Valley Bank branch locator (All The Places), checked Oct 10, 2026
Join a credit union in Mamaroneck
1 credit union has 1 office here: Mamta Credit Union. Each office is listed above with the phone and the hours it filed with the NCUA (call report as of March 31, 2026). Who can join each one is on its own site; the credit unions in Mamaroneck page has every office in the state's directory.
Banking in Mamaroneck: the local picture
Short answer: 9 banks run 9 branches in Mamaroneck 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 9 banks, 0 have their main office in Mamaroneck, 3 elsewhere in New York and 6 out of state, according to the FDIC.
The bank with the longest record here is Citibank, operating since 1812 according to the FDIC. In FDIC branch records, the longest-running branch is Chase's office at 242 Mamaroneck Ave, dating to 1935; the newest is Orange Bank's at 1214 E Boston Post Rd, from 2016.
The only credit union with an office here is Mamta Credit Union.
Of the 5 locations with published hours. 3 open on Saturday. 5 locations have no published hours in these sources.
Banks by ZIP code in Mamaroneck
Offices grouped by the ZIP code in their FDIC or NCUA record.
Short answer: ZIP 10543 has the most bank and credit union offices in Mamaroneck (9), followed by 10538 (1). Offices are spread across 2 ZIP codes.
| ZIP code | Offices | Institutions | Most offices |
|---|---|---|---|
| 10543 | 9 | 9 | Bank of America, Chase, Citibank |
| 10538 | 1 | 1 | Santander |
Banks open on Saturday in Mamaroneck
Short answer: 3 of the 5 Mamaroneck locations with published hours open on Saturday, run by 3 institutions.
- Chase: 1 of 1 branch (242 Mamaroneck Ave: Saturday 9 am to 2 pm)
- Bank of America: 1 of 1 branch (1160 W Boston Post Rd: Saturday 9 am to 2 pm)
- M&T Bank: 1 of 1 branch (300 Mamaroneck Ave: Saturday 9 am to 12 pm)
Credit union hours are the text each credit union filed with the NCUA, call report as of March 31, 2026; a day the filing does not mention is shown as not published, never as closed. Bank branches show hours only where the bank publishes them in a source this page uses; 5 of the 10 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 Mamaroneck, and where the nearest one is if they do not.
Short answer: In Mamaroneck: Chase (1), Bank of America (1), TD Bank (1). No branches in Mamaroneck: Wells Fargo (nearest in Harrison, 2 mi), PNC Bank (nearest in New York, 13 mi), U.S. Bank, Truist, Fifth Third Bank (nearest in New York, 19 mi), Huntington, Regions Bank, BMO.
| Bank | In Mamaroneck | Nearest branch if none here |
|---|---|---|
| Chase | 1 branch | here |
| Bank of America | 1 branch | here |
| TD Bank | 1 branch | here |
| Wells Fargo | None | Harrison, 2 miles away |
| PNC Bank | None | New York, 13 miles away |
| U.S. Bank | None | none in New York |
| Truist | None | none in New York |
| Fifth Third Bank | None | New York, 19 miles away |
| Huntington | None | none in New York |
| Regions Bank | None | none in New York |
| BMO | None | none in New York |
Branch counts from FDIC BankFind as of September 5, 2026. Distances are straight-line miles from the center of Mamaroneck to the nearest branch in New York.
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 Mamaroneck residents like anyone else.
Banks near Mamaroneck
Nearby cities with at least two banks, by straight-line distance. Counts from FDIC BankFind.
Short answer: The closest towns with more choice are Harrison (1 mile) and Larchmont (2 miles). Scarsdale, 5 miles away, has the most banks nearby: 11.
| City | Distance | Banks | Branches |
|---|---|---|---|
| Banks in Harrison, NY | 1 mi | 4 | 4 |
| Banks in Larchmont, NY | 2 mi | 6 | 7 |
| Banks in Rye, NY | 3 mi | 4 | 4 |
| Banks in New Rochelle, NY | 4 mi | 7 | 9 |
| Banks in Eastchester, NY | 4 mi | 4 | 4 |
| Banks in Rye Brook, NY | 4 mi | 4 | 4 |
| Banks in Port Chester, NY | 5 mi | 5 | 6 |
| Banks in Scarsdale, NY | 5 mi | 11 | 16 |
Bank branch openings and closings in Mamaroneck
FDIC branch records, between September 5, 2025 and September 5, 2026.
Short answer: FDIC branch records show no bank branch openings in Mamaroneck between September 5, 2025 and September 5, 2026. Closings and relocations are not tracked by the sources this page uses yet.
Banks and credit unions based in Mamaroneck
Short answer: 1 institution has its main office in Mamaroneck: Mamta Credit Union.
| Institution | Type | Total assets, March 31, 2026 | Offices here |
|---|---|---|---|
| Mamta Credit Union | Credit union | $8.5 million | 1 |
Banks: FDIC BankFind (community-bank flag and assets). Credit unions: NCUA call report.
Largest banks in Mamaroneck by total assets
Ranked by each bank's total assets on its FDIC balance sheet, which covers the whole bank, not only its Mamaroneck offices.
Short answer: Chase is the largest bank with offices in Mamaroneck, 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 |
| Citibank | $1.98 trillion | No. 3 | 1 | Sioux Falls, SD |
| TD Bank | $342.80 billion | No. 13 | 1 | Wilmington, DE |
| M&T Bank | $218.79 billion | No. 21 | 1 | Buffalo, NY |
| Santander | $103.96 billion | No. 32 | 1 | Wilmington, DE |
| Valley Bank | $66.23 billion | No. 43 | 1 | Passaic, NJ |
| Trustco Bank | $6.52 billion | No. 238 | 1 | Glenville, NY |
| Orange Bank | $2.79 billion | No. 461 | 1 | Middletown, NY |
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 Mamaroneck: FAQ
How many banks are in Mamaroneck, NY?
Mamaroneck has 9 banks with 9 branches and 1 credit union with 1 office, according to FDIC data as of September 5, 2026 and NCUA data as of March 31, 2026.
Which bank has the most branches in Mamaroneck?
Chase, with 1. Bank of America has 1 and Citibank has 1.
Is there a Chase in Mamaroneck, NY?
Yes. FDIC data lists 1 Chase branch in Mamaroneck as of September 5, 2026. The address and directions are under Chase above.
Is there a Bank of America in Mamaroneck, NY?
Yes. FDIC data lists 1 Bank of America branch in Mamaroneck as of September 5, 2026. The address and directions are under Bank of America above.
Is there a Citibank in Mamaroneck, NY?
Yes. FDIC data lists 1 Citibank branch in Mamaroneck as of September 5, 2026. The address and directions are under Citibank above.
Is there a Wells Fargo in Mamaroneck, NY?
No. FDIC data lists no Wells Fargo branch in Mamaroneck as of September 5, 2026. The nearest is in Harrison, about 2 miles away in a straight line.
Which banks in Mamaroneck are open on Saturday?
Chase, Bank of America and M&T Bank publish Saturday hours for one or more Mamaroneck locations. The Saturday section above lists each one with its hours. 5 of the 10 locations here do not publish hours in the sources this page uses; call ahead.
Which banks are headquartered in Mamaroneck?
Mamta Credit Union has its main office in Mamaroneck, according to the FDIC and the NCUA.
What is the oldest bank in Mamaroneck?
Citibank has the longest record among banks with a branch here: the FDIC shows it operating since 1812.
Which credit unions can I join in Mamaroneck?
Mamta Credit Union has an office in Mamaroneck. Check each credit union's membership rules before you apply.
Did any bank branches open or close in Mamaroneck in the past year?
FDIC branch records show no branch openings 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 Mamaroneck?
Nearby cities with more banks include Harrison, Larchmont, Rye. Harrison is 1 miles away with 4 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 |
| Credit union offices, phones and hours as filed with the NCUA, total assets | NCUA call report data | Public data (U.S. government) | Quarterly import | Mar 31, 2026 |
| Map coordinates of 1 credit union offices whose NCUA record has none, from the office address | U.S. Census Bureau Geocoder | Public data (U.S. government) | With each NCUA import | Oct 19, 2026 |
| Bank branch hours, phones and branch pages (4 of 9 branches: Bank of America, Chase, M&T Bank, Valley Bank) | 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