City of Boston Credit Union CD Rates

How City of Boston Credit Union’s CD rates compare

Compared with banks and credit unions near Boston, MA-NH, where City of Boston Credit Union has the most branches. $10,000, best rate first.

This credit union’s best
City of Boston Credit Union
4.00%APY
Term
17 months
Minimum
$500
Earns on $10,000
$571
Share Certificate
Top rate
RiverWorks Credit Union
4.80%APY
Term
6 months
Minimum
$500
Earns on $10,000
$237
RiverWorks Credit Union rates
2nd-highest rate
Arise Financial
4.75%APY
Term
36 months
Minimum
$500
Earns on $10,000
$1,494
Arise Financial rates

Compare CD rates near you →

CD score

Higher than 62% of U.S. banks and credit unions

By term

3–8 months3–8 mo3.75%
9–15 months9–15 mo3.90%
16–30 months16–30 mo4.00%
31–60 months31–60 mo0.94%
QualifiedQualified4.00%

Each track runs from the lowest to the highest rate among U.S. banks and credit unions; the dot is this rate.Qualified: needs another account or monthly activity.

How the score works →

Where City of Boston Credit Union ranks

By CD score, in each area where it has branches

Every rate

Current CD rates

Rates from the credit union’s website. Earnings assume the rate doesn’t change.

Share Certificate

Up to 4.00%APY · 12 termsFrom $500 to open

Penalty for early withdrawal. Minimum balance to open and earn dividends is $500. Fixed interest rate. Dividends compounded daily and credited monthly.

Earnings on $10,000 over the term.
Term	APY	Earns on $10,000Earns
3 months	0.15%	$4
6 months	0.35%	$17
7 months	3.75%	$217
8 months	0.40%	$27
9 months	3.00%	$224
12 months	3.90%	$390
17 months	4.00%	$571
18 months	0.55%	$83
24 months	0.65%	$130
36 months	0.85%	$257
48 months	0.90%	$365
60 months	0.94%	$479

Sources (2)

All captured Oct 15, 2026

Special-purpose accounts

IRA Share Certificate

Up to 4.00%APY · 7 termsIRAFrom $500 to open

Available for IRAs, including ROTH. Penalty for early withdrawal. Minimum balance to open and earn dividends is $500. Fixed interest rate. Dividends compounded daily and credited monthly.

Earnings on $10,000 over the term.
Term	APY	Earns on $10,000Earns
12 monthsAvailable for IRAs, including ROTH	3.90%	$390
17 monthsAvailable for IRAs, including ROTH	4.00%	$571
18 monthsAvailable for IRAs, including ROTH	0.55%	$83
24 monthsAvailable for IRAs, including ROTH	0.65%	$130
36 monthsAvailable for IRAs, including ROTH	0.85%	$257
48 monthsAvailable for IRAs, including ROTH	0.90%	$365
60 monthsAvailable for IRAs, including ROTH	0.94%	$479

Sources (1)

cityofbostoncu.com/rates · captured Oct 15, 2026

Who can join City of Boston Credit Union

We don’t have this credit union’s membership requirements here yet. Confirm that you can join before applying.

Visit institution website ↗Branches and institution details

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