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Institution profile

Ion Bank

Bank · Active · Headquarters: Naugatuck, CT

Profile data observed August 5, 2026

Identity verified through FDIC; additional sources pendingVerification describes the US Mortgage Index public-source matching process. It is not an endorsement or recommendation. Read the methodology

Public-record data only. Not a recommendation, lender endorsement, or rate comparison. Verify current licensing, product availability, and terms independently.

FDIC BankFind baseline

FDIC-reported identity and institutional fields from the public BankFind record. These values are not described as current or real-time.

Legal name
Ion Bank
Display name
Ion Bank
Institution status
Active
FDIC insured
Yes
FDIC insured since
July 1, 1960
Established date
January 1, 1870
Charter class
State-chartered commercial bank, member of the Federal Reserve System (FRS)
Primary federal regulator
Federal Reserve Board
Headquarters
Naugatuck, CT, 06770, United States
Website
https://www.ionbank.com
FDIC certificate number
18198
Federal Reserve RSSD ID
407506
Domestic location count
37
Source observed
August 5, 2026

Regulatory profile

Public FFIEC NIC and CRA records for this institution, presented as source-backed regulatory context rather than a score or recommendation.

Regulatory identity

Institution status
ACTIVE
Primary federal regulator
FRS
Institution type
State Member Bank
Primary activity
NAICS 52211
FDIC certificate
18198
Federal Reserve RSSD ID
407506
LEI
5493004D0Z2WQR26VL57
Headquarters
251 Church Street, Box 370, Naugatuck, CT, 06770, United States
Primary deposit insurer
Deposit Insurance Fund (DIF)
Source observed
August 19, 2026

Branch network

Listed locations

34

Showing 1 through 34 of 34 listed locations

Scroll sideways to see every branch column.

Showing 1 through 34 of 34 FFIEC NIC branch locations
BranchAddressCityStatePostal code
ANSONIA BRANCH75 Tremont StreetAnsoniaCT06401
CHESHIRE BRANCH218 Maple AvenueCheshireCT06410
FARMINGTON BRANCH4 Main StreetFarmingtonCT06032
HAMDEN BRANCH2989 Whitney AvenueHamdenCT06518
MERIDEN EAST MAIN OFFICE BRANCH1336 East Main StreetMeridenCT06450
MERIDEN WEST BRANCH500 West Main StreetMeridenCT06451
MIDDLEBURY BRANCH600 Middlebury Road Route 64MiddleburyCT06762
NAUGATUCK BRANCH87 Church StreetNaugatuckCT06770
NAUGATUCK HIGH SCHOOL BRANCH543 Rubber AvenueNaugatuckCT06770
NEW HAVEN ROAD BRANCH1430 New Haven RoadNaugatuckCT06770
OXFORD BRANCH71 Oxford RD Route 67OxfordCT06478
PROSPECT BRANCH24 Waterbury RoadProspectCT06712
SOUTH WINDSOR BRANCH1751 Ellington RoadSouth WindsorCT06074
SOUTHBURY BRANCH363 Main Street SouthSouthburyCT06488
SOUTHINGTON BRANCH376 North Main StreetSouthingtonCT06489
UNIONVILLE BRANCH75 Main StreetUnionvilleCT06085
WALLINGFORD BRANCH665 North Colony RoadWallingfordCT06492
CROSBY HIGH SCHOOL BRANCH300 Pierpont RoadWaterburyCT06705
WATERBURY EAST BRANCH3670 East Main StreetWaterburyCT06705
WATERBURY WEST BRANCH910 Wolcott StreetWaterburyCT06705
WATERTOWN BRANCH544 Straits TurnpikeWatertownCT06795
WOODBURY BRANCH670 Main Street SouthWoodburyCT06798
BERGENFIELD BRANCH135 N. Washington Ave.BergenfieldNJ07621
CLOSTER BRANCH175 Homans AvenueClosterNJ07624
CRESSKILL BRANCH189 County RoadCresskillNJ07626
NVE BANK BRANCH70/76 Engle StreetEnglewoodNJ07631
HILLSDALE BRANCH159 BroadwayHillsdaleNJ07642
LEONIA BRANCH310 Broad AveLeoniaNJ07605
LINCOLN PARK BRANCH261 Comly RoadLincoln ParkNJ07035
MONTVILLE BRANCH223 Changebridge RoadMontvilleNJ07045
NEW MILFORD BRANCH400 River RoadNew MilfordNJ07646
PALISADE AVENUE BRANCH740 Palisade AvenueTeaneckNJ07666
TEANECK BRANCH1505 Teaneck RoadTeaneckNJ07666
TENAFLY BRANCH80 County RoadTenaflyNJ07670

Community Reinvestment Act (CRA)

Latest available CRA evaluation

Rating
Satisfactory
Exam date
August 1, 2024
Regulator
FDIC
Examination method
Large Bank Exam

This information reflects Community Reinvestment Act examination ratings reported by the cited official source. It is not a US Mortgage Index rating, recommendation, or assessment of the institution.

CRA evaluations are examination results from the relevant regulatory process and should be interpreted in the context of the examination date and source.

Historical CRA evaluations

Scroll sideways to see every CRA examination column.

Historical CRA evaluations
Exam dateCRA ratingRegulatorExamination method
August 1, 2024SatisfactoryFDICLarge Bank Exam
September 1, 2020SatisfactoryFDICLarge Bank Exam
October 1, 2017SatisfactoryFDICLarge Bank Exam
May 1, 2014SatisfactoryFDICLarge Bank Exam
March 1, 2012SatisfactoryFDICLarge Bank Exam
January 7, 2008SatisfactoryFDICLarge Bank Exam
April 1, 2005SatisfactoryFDICLarge Bank Exam
June 1, 2002SatisfactoryFDICLarge Bank Exam
June 1, 2000SatisfactoryFDICLarge Bank Exam
December 1, 1997SatisfactoryFDICLarge Bank Exam
March 1, 1996OutstandingFDICNot Reported
November 1, 1994SatisfactoryFDICNot Reported
October 1, 1992SatisfactoryFDICNot Reported

Read the methodology

Institutional history

3 FFIEC NIC history events

Showing 1 through 3 of 3 history events

FFIEC NIC institutional history events
Event dateEvent typeRelated institution
April 29, 2025Charter Discontinued (Merger or Purchase & Assumption)—
July 1, 2022Charter Discontinued (Merger or Purchase & Assumption)—
August 8, 2009Charter Discontinued (Merger or Purchase & Assumption)—

These events are shown as reported by the FFIEC NIC source and are not independent legal conclusions.

FFIEC-reported organizational relationships

4 FFIEC NIC relationship records

Showing 1 through 4 of 4 relationship records

FFIEC NIC organizational relationships
RelationshipInstitutionTypeLocation
Direct relationshipBCION, A DIVISION OF ION BANKDomestic Entity OtherCheshire, CT
Direct relationshipION INVESTMENT HOLDING COMPANYDomestic Entity OtherNaugatuck, CT
Direct relationshipION MORTGAGE CORPORATIONDomestic Entity OtherNaugatuck, CT
ROOT_INSTITUTIONION BANKState Member BankNaugatuck, CT

These relationships reflect the FFIEC NIC source display and should not be interpreted as a complete legal ownership analysis.

FFIEC NIC information reflects public regulatory records observed on the displayed source date. Observed dates describe when the public record was reviewed, not a real-time update.

Additional profile fields

Fields below supplement the primary source baseline and are shown only when present on the public profile.

Entity type
FDIC-insured state-chartered member bank