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1811 W Diehl Rd, Suite 700
Naperville, IL 60563

Oak Trust Credit Union is headquartered in Naperville and is the 77th largest credit union in the state of Illinois. It is also the 2,411st largest credit union in the nation. It was established in 1964 and as of March of 2014, it had grown to 12 employees and 4,532 members. Oak Trust Credit Union's money market rates are 14% higher than the national average, and it has a B health rating.

Field of Membership Restrictions

Must live or work in DuPage, Kane, Will, DeKalb or Kendall County or West of Route 12 in Western and Northwestern Cook County. - See Details

Reviews (3)

Disappointed, Oak Trust Took Over The Account As I Had Since Birth (Over 40 Yrs) And I Finally Had To Cancel The Account

Oak Trust took over the Catholic Credit Union I had a small amount of money in ($5) since I was born. When Oak Trust took over I was disappointed because it wasn't related to the church but wanted to keep this account because I had it since birth. Though I never used the account they demanded a $100 minimum which I complied to. A few years after this I noticed my account was down to $35.45. Apparently Oak Trust changed their minimum balance to $250 and I did not see the notice. When I called Oak Trust to ask them to refund the $65 because I was unaware of the change in policy they flatly refused though I explained the reason I even had the account was for nostalgias sake as it they took over my church's credit union I had used since childhood. There was discussion, frankly no care. This was in sharp contrast with the secretary at the credit union who knew my name and my family which was significant to me as I had lost touch with almost everyone from that period of my life. When I used to call my credit union it seemed like I was talking to a person, now it just seems cold and corporate. I am not against big business in any way but their attitude just seemed pretty callous and the reason I was keeping the account pretty much irrelevant. 
I wish I could go back in time and just pull out my account when my credit union was taken over. I didn't come to them they came to my credit union, took over the account and then implemented a minimum balance. It was naive of me to think Oak Trust would have the same care for the individual as Our Lady of Good Counsel.

OTCU No Longer Meets My Standard - Too Impersonal And Robotic

I've had a similarly disappointing experience with OTCU. I've enjoyed banking with the OTCU at the Eagan office for 14 years. I enjoyed the personal communication with persons who genuinely seemed to care. Many changes occurred. People I knew and cared about left and business communications shifted to the "main office." Consequently when my account became negative because of a slight error on my part, before I was even aware of the error, my account was sent to a collection agency for an amount less than $25.00 which had I known, I gladly would have corrected the error, immediately! Many conversations followed but the bottom line was the lack of warmth or genuine customer service to help me resolve the matter to feel valued as a customer. I guess those days really are over!? The phrase repeated so much that is sounded absolutely scripted was, "It's your responsibility..." to keep up with all the changes made in small print, that conveniently read, "OTCU does not have to notify it's customers of any errors... and can send an account of any amount to collections, if they want to" literally just because they have the law on their side. I have and am very familiar with my responsibility as evidenced by 13 of 14 years of great business. But no, I was not aware of these facts until this occurrence. Most recently, OTCU has lost sight of its responsibility to practice positive, productive and proactive customer service. My feelings of disappointment are sincere for the loss of a valued financial relationship due to disregard for smaller business and smaller customers. Therefore, my money will be better applied where there is a greater sense of appreciation for good business relationships. I guess I'm old fashioned because the bottom line for good business relationships is the appreciation of loyal customers willing to invest in quality service. Whether times are good or tough fair treatment will retain customers better than a hardline offensive approach.

Wake Up Oaktrust Credit Union! Your Customer Service Department Is Going To Be Your Downfall.

I have been a loyal customer for more than 11 years. However, since they are no longer on my work site and I have no face to face contact with a representative, I am extremely disappointed in their customer service or lack of. You cannot get to a live person at the Diffley Eagan branch, even when returning a call from that office. When you call the main number, they say they try to reach the person in Diffley but like me when calling directly, no luck. Their customer service and loan officers do not follow through on promises either. This is all very disappointing. My biggest question is should I close out all my accounts and go elsewhere now? Or should I wait until they close their doors? With customer service like they have, they aren't going to last much longer. There are too many other credit unions and banks that want your business and probably offer better customer service to get and keep your business. Wake up Oaktrust!!!


Data for Q1 2014

Institution Health

Additional Factors: Institutions with a small asset base or a short operating history can represent an instability risk beyond what their financial ratios indicate. Oak Trust Credit Union has a low asset base.

Texas Ratio


The Texas Ratio is an indicator of how much capital a bank has available compared to the total value of loans considered at risk. As of March 31, 2014 Oak Trust Credit Union had $198,000 in non-current loans and owned real-estate with $9.17 million in equity and loan loss allowances on hand to cover it. This gives Oak Trust Credit Union a Texas Ratio of 2.16% which is excellent. Any bank with a Texas Ratio near or greater than 100% is considered at risk.

Texas Ratio Trend


The Texas Ratio for Oak Trust Credit Union decreased dramatically from 4.62% as of March 31, 2013 to 2.16% as of March 31, 2014, resulting in a positive change of 53.27%.This indicates that the balance sheet and financial strength for Oak Trust Credit Union has improved dramatically in recent periods.

Deposit Growth


In the past year, Oak Trust Credit Union has decreased its total deposits by -$25.93 million, resulting in -41.76% growth for the year. A strong track record of growth is an indicator of consumer confidence and the bank's ability to strengthen its balance sheet. The growth Oak Trust Credit Union has shown is poor.



Both FDIC and NCUA consider capitalization levels of banks and credit unions to be of high importance. Higher capitalization allows for a greater buffer when cover loans that may fail in the future. Oak Trust Credit Union has $45.64 million in assets with $9.17 million in equity, resulting in a capitalization level of 20.10%, which is excellent.

Institution Statistics

NCUA #62513
Year Chartered1964
Primary Regulator
Assets and Liabilities
Assets$45.64 million
Loans$23.72 million
Deposits$36.17 million
Equity Capital$8.72 million
Loan Loss Allowance$452,000
Unbacked Noncurrent Loans$198,000
Real Estate Owned$0
Historic Data - March 2013
Assets$71.62 million
Equity Capital$8.40 million
Loan Loss Allowance$717,000
Unbacked Noncurrent Loans$198,000
Real Estate Owned$83,000
Profit Margin - Quarterly
Return on Assets-3.51%
Return on Equity-18.34%
Interest Income$350,000

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Oak Trust Credit Union Savings Account Rates

0.10%$25k-Primary Savings Account
0.10%$25k-Club Savings Account
0.10%$25k-Business Club Savings
0.10%$50-IRA Savings
0.10%$25k-Business Primary Savings
0.10%$50-Roth IRA Savings
0.10%$50-CESA Savings

Oak Trust Credit Union Money Market Rates

0.50%$75k-Premier Money Market Account

Oak Trust Credit Union Checking Account Rates

0.10%$50k-Business Checking
0.05%$1k-Rewards Checking

Oak Trust Credit Union CD Rates

1.75%$25k-60-Month CD
1.75%$25k-Business 60 Month CD
1.40%$25k-48-Month CD
1.40%$25k-Business 48 Month CD
1.15%$25k-30 Month Certificate Special (New Money)
1.10%$25k-36-Month CD
1.10%$25k-Business 36 Month CD
0.85%$25k-18 Month Certificate Special (New Money)
0.75%$25k-24-Month CD
0.75%$25k-Business 24 Month CD
0.55%$25k-12-Month CD
0.55%$25k-Business 12 Month CD
0.30%$25k-6-Month CD
0.30%$25k-Business 6 Month CD

Oak Trust Credit Union IRA Rates

1.75%$25k-60-Month IRA
1.40%$25k-48-Month IRA
1.10%$25k-36-Month IRA
0.75%$25k-24-Month IRA
0.55%$25k-12-Month IRA
0.30%$25k-6-Month IRA

Oak Trust Credit Union Locations
Branch Office1811 W Diehl Rd Ste 700Naperville, IL 60563
Branch Office100 E Roosevelt Rd Ste 34Villa Park, IL 60181
Branch Office12251 S Route 59Plainfield, IL 60585