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Bank · FDIC insured

Main Street Bank CD Rates

Main Street Bank’s best CD rate is 3.50% APY on a 1-year CD. Terms run from 3 months to 5 years. Rates checked October 15, 2026.

How Main Street Bank’s CD rates compare

Compared with banks and credit unions near Boston, MA-NH, where Main Street Bank has the most branches. $10,000, best rate first.

  • This bank’s best

    Main Street Bank

    3.50%APY

    Term
    12 months
    Minimum
    $1,000
    Earns on $10,000
    $350

    Certificates of Deposit

  • Top rate

    RiverWorks Credit Union

    4.80%APY

    Term
    6 months
    Minimum
    $500
    Earns on $10,000
    $237

    RiverWorks Credit Union rates

  • Top Carrot, Carrot Score 89

    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 →

Main Street Bank CD score

67

CD score

Higher than 19% of U.S. banks and credit unions

By term
  • 3–8 months3–8 mo2.50%
  • 9–15 months9–15 mo3.50%
  • 16–30 months16–30 mo2.50%
  • 31–60 months31–60 mo2.50%
  • QualifiedQualified3.50%

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 Main Street Bank ranks

By CD score, in each area where it has branches

Every rate

Current CD rates

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

Opening an account

Confirm the bank’s opening requirements and whether the account is available where you live. A nearby branch does not establish eligibility for every rate.

Visit institution website ↗Branches and institution details
← Main Street Bank overview