Bank Branches › Closed and merged banks › Wisconsin › Bank One, Madison
What happened to Bank One, Madison?
Bank One, Madison in Madison, WI (earlier called Security Marine Bank of Madison and 1 other name) merged into Bank One, Wisconsin of Milwaukee, WI on Dec 7, 1996. After 2 more changes of hands, what was Bank One, Madison is today part of JPMorgan Chase Bank, National Association (Columbus, OH).
The chain, step by step
From the day it opened to the bank at the end of the chain today. Each step is one entry in the FDIC's record.
- 1911Security Marine Bank of Madison opens in Madison, WI
- Oct 31, 1982renamed Marine Bank Dane County
- Jun 13, 1988renamed Bank One, Madison
- Dec 7, 1996MERGEDBank One, Madison merged into Bank One, Wisconsin of Milwaukee, WI.FDIC certificate 12358 ends; its business continues under certificate 2487.
- Aug 22, 2002MERGEDBank One, Wisconsin of Milwaukee, WI merged into Bank One, National Association of Chicago, IL.FDIC certificate 2487 ends; its business continues under certificate 3618.
- Nov 13, 2004MERGEDBank One, National Association of Chicago, IL merged into JPMorgan Chase Bank, National Association of Columbus, OH.FDIC certificate 3618 ends; its business continues under certificate 628.
- TodayOPEN
JPMorgan Chase Bank, National AssociationMain office Columbus, OH · FDIC certificate 628 · 5,141 offices in 49 states on June 30, 2026Every JPMorgan Chase Bank, National Association office → Website on file with the FDIC: www.jpmorganchase.com
If you still have something from Bank One, Madison
A lien that was never released
If a paid-off mortgage, home-equity line or car loan still shows Bank One, Madison as lienholder, start with JPMorgan Chase Bank, National Association. In a merger the surviving bank takes over the other bank's loans, so it is the bank to ask for a recordable lien release; if the loan was sold along the way, it can tell you to whom.
The FDIC says it cannot process lien releases for banks that merged or were acquired without government assistance, which is what the record shows here.
Record the release with the same county office that recorded the original mortgage or deed of trust.
An old account, passbook or CD
Ask JPMorgan Chase Bank, National Association to search for the account under the name Bank One, Madison. A passbook or certificate shows an account existed. It doesn't show the money is still there, and the OCC notes that federal rules require banks to keep most account records for five years.
Accounts nobody touches are eventually turned over to a state. The OCC puts the usual wait at three to five years with no activity, set by each state's law. Search the unclaimed-property program of the state of the owner's last known address on the bank's records, and any other state they lived in. It is free to search and to claim through a state's own site, and MissingMoney.com, an official site of the state administrators' association, searches most states at once.
A safe deposit box
Ask JPMorgan Chase Bank, National Association which branch now holds boxes from the Bank One, Madison office you used. The OCC says a box with no activity for three to five years (the period is set by state statute) is likely treated as dormant, and its contents may be turned over to the state's unclaimed-property program.
Box contents are not covered by FDIC insurance.
Not sure this is your bank?
Many banks shared a name. Match the city and the years above against your paperwork, or search again with the town.
Credit unions were never FDIC-insured and are not in this record; the NCUA credit union lookup covers those. Banks that closed before about 1970 are not in the FDIC's list either.
One caution: banks also sell single branches. If the office you used was sold to a different bank along the way, the account went with the branch, not with this chain. The office list below shows which bank each office reports under now.
This page is drawn from FDIC records and federal guidance. It is not legal advice, and BankBranches is not a bank or a government office. More detail: lien releases · old passbooks and CDs · safe deposit boxes · unclaimed money.
Where the guidance comes from ▾
Its offices in the FDIC deposit reports
8 offices filed under this charter in some year from 1994 on. 1 is still open as of June 30, 2026.
| Office | Now |
|---|---|
| 602 N High Point RdMadison, WI | OpenJPMorgan Chase Bank, National Association |
| 4225 E Towne BlvdMadison, WI | No longer reported |
| 4513 Milwaukee StreetMadison, WI | No longer reported |
| 802 West BroadwayMadison, WI | No longer reported |
| 1965 Atwood AvenueMadison, WI | No longer reported |
| 100 North Fairchild StreetMadison, WI | No longer reported |
| 3394 East Washington AvenueMadison, WI | No longer reported |
| 3401 West Beltline HighwayMadison, WI | No longer reported |
Banks folded into Bank One, Madison
2 banks merged directly into this charter.
| Bank | Ended |
|---|---|
| Independence Bank Madison (National Association)Monona, WI | May 20, 1985 |
| Commercial Marine Bank of MadisonMadison, WI | Oct 31, 1982 |
Source: FDIC BankFind institution and history records, read Nov 15, 2026. The FDIC's list covers banks that ended in about 1970 or later. Look up certificate 12358 in the FDIC BankFind Suite to see the government's own entry. Corrections: me@byclaude.net.