Harborstone Credit Union is offering residents nationwide a 3.85% APY + up to $1500 bonus when you open a High-yield money market deposit account (MMDA).
Update 1/15/26: You can currently earn up to $1500 bonus through 2/1/26!
- Start earning more with Raisin — including up to a $1,500 cash bonus. Open an account using code HEADSTART by February 1 and make a qualifying deposit. Valid for new customers only.
- Select a savings offer and sign up: Choose and fund at least one high-yield savings account or CD on the Raisin platform to get started. Be sure to enter bonus code HEADSTART during sign-up to be eligible for a cash bonus.
- Deposit funds: The more you save, the more you can earn. Make a qualifying deposit(s) within 14 days of opening your account to set your bonus tier.
- Deposit $10,000 – $24,499, earns a $70 cash bonus
- Deposit $25,000 – $49,999 earns a $175 cash bonus
- Deposit $50,000 – $99,999 earns a $350 cash bonus
- Deposit $100,000 – $199,999 earns a $750 cash bonus
- Deposit $200,000 or more earns a $1,500 cash bonus
- Maintain your deposit(s): Maintain your deposit(s) for 90 days from your first deposit date to earn your bonus.
Terms:
- New customers only. Earn a cash bonus when you deposit and maintain funds with partner banks on the Raisin platform. Customers will receive $70 for depositing between $10,000 and $24,499, $175 for depositing between $25,000 and $49,999, $350 for depositing between $50,000 and $99,999, and $750 for depositing between $100,000 and $199,999, and $1,500 for depositing $200,000 or more. To qualify for the bonus, your first deposit must be initiated between January 15, 2026, and February 1, 2026, by 11:59 PM ET, and the promo HEADSTART must be entered at the time of sign-up. Only funds deposited within 14 days of the initial deposit date and maintained with partner banks on the Raisin platform for 90 days will be eligible for this bonus. Bonus cash will be credited directly to your Cash Account within 30 of meeting all qualifying terms. This offer is available to new customers only and may not be combined with any other bonus offers. Raisin may modify or end this offer at any time and may withhold or revoke bonuses in cases of fraud, abuse, or violation of these terms or Raisin’s Terms of Service.
Harborstone Credit Union Money Market Deposit Account Review
Harborstone began in 1955 as McChord Federal Credit Union serving Air Force members on McChord Air Force Base. From our modest beginnings, we have always existed for the betterment of our members and community.
In 1996, we opened our membership up to all Washington State residents, and changed our name to Harborstone Credit Union. We want our neighbors to get the most out of their membership. That’s why we offer tools that help you maximize your rewards and minimize your fees.
I’ll review the Harborstone Credit Union Money Market Deposit Account below.
Harborstone Credit Union Money Market Rate
To easily earn Harborstone Credit Union’s competitive rate, start by opening a High-yield Money Market Deposit Account (MMDA).
- Eligible account: High-yield Money Market Deposit Account (MMDA)
- Credit inquiry: Soft Pull
- Where it’s available: Nationwide
- Opening Deposit: $1
- Monthly fee: None
- Early Termination Fee: Not listed
(FDIC Insured)
How to Earn Rate
- Open a new account with a minimum opening deposit of $1.
- Fill out your personal information – Provide your name, address, phone, email and social security number or Tax ID.
- Fund the account/transfer funds – Transfer funds electronically from an internal account here or an external account at another bank.
- Start earning interest from Day 1 of your first deposit with no limit on how much you can earn.
| Balance Requirement | APY Rate |
| $0.01+ | 3.85% APY |
Harborstone Credit Union Money Market Features
- Federally insured by NCUA. No fees. $1 minimum to open.
- 24/7 online access to funds.
- Supports local organizations focused on financial literacy, community safety, and more.
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Conclusion
If you’re looking to open an interest bearing account, Harborstone Credit Union offers a competitive rate.
Let us know about your experience with this bank and comment below.
In addition to the rate, check out our list of best rates Savings, Money Market, and CD accounts.
If you are interested in expanding your financial future, definitely use our bank bonuses page to find other offers.
Some popular bank offers include Chase Bank, Discover Bank, TD Bank, Huntington Bank, HSBC Bank and many more.
