Compare Bank & Credit Union Rates
Best savings rates in Castle Rock, CO
Compare published savings yields, money market accounts included, with minimums, requirements, collection dates and original sources.
Top savings rates
Showing 1–15 results in Castle Rock, CO
- Westerra Credit UnionSummerPay SaverSavings · $0 min · 0.05%–6.00% by balance
Credit union · 1 branch
6.00%APY$600 a year on $10,000with conditionsRequirements
Product: Available exclusively to eligible educational professionals employed within the state of Colorado. Requires an active Westerra Smart Money Checking account to open and maintain. Funds automatically transfer to the primary savings account on June 1 annually.
Offer: Rate accurate as of 7-1-2026. Available exclusively to eligible educational professionals employed in Colorado with an active Smart Money Checking account.
Qualified rate · 5.84% interest rate · Effective Jul 1, 2026
Rate by balance
Rate by balance for SummerPay Saver Balance APY Up to $10,000Your amount 6.00% Over $10,000 0.05% Rate checked
More details - Meritrust Credit Union – ColoradoPremium High Yield Savings AccountSavings · $5,000 min
Credit union · 1 branch
3.50%APY$350 a year on $10,000with conditionsRequirements
Product: Exclusive to members with Premium Perks Checking accounts. The Premium High Yield Savings Account must be titled under the same tax reported owner as the Premium Perks Checking Account. If you close your Premium Perks Checking Account or change to a different checking account type, the savings account will be closed.
Offer: $5,000.00 minimum balance to open and to earn the advertised APY. Requires open Premium Perks Checking Account.
Qualified rate · 3.45% interest rate · No monthly fee · Effective Oct 1, 2026
Rate checked
More details - Canvas Credit UnionHigh Yield Money Market AccountHigh Yield Money Market Account · $0 min · 1.00%–3.00% by balance
Credit union · 2 branches
3.00%APY$300 a year on $10,000Requirements
Product: Tiered rate account where the interest rate for a particular tier applies to the entire account balance if within the balance range. Interest compounded and credited monthly.
Offer: Tier rate applies to entire balance. Interest compounded and credited monthly.
1.00% interest rate · Effective Oct 1, 2026
Rate by balance
Rate by balance for High Yield Money Market Account Balance APY Up to $1,000 1.00% $1,000 and upYour amount 3.00% Rate checked
More details - Bellco Credit UnionMember Money Market AccountMember Money Market Account · $1,000 min · 0.00%–2.70% by balance
Credit union · 1 branch
2.70%APY$270 a year on $10,000Requirements
Product: Requires $1,000 minimum opening/account balance. A $10 fee applies if daily balance drops below minimum balance requirement. Membership eligibility required.
Offer: Balances below $1,000 do not earn interest. Daily balance below $1,000 incurs a $10 fee.
0.00% interest rate · $10 monthly fee · Effective Oct 3, 2026
Rate by balance
Rate by balance for Member Money Market Account Balance APY Up to $1,000 0.00% $1,000 – $10,000 2.35% $10,000 – $25,000Your amount 2.70% $25,000 and up 2.70% Rate checked
More details - Bellco Credit UnionPremier Money Market AccountPremier Money Market Account · $10,000 min · 0.00%–3.25% by balance
Credit union · 1 branch
2.70%APY$270 a year on $10,000Requirements
Product: Requires $10,000 minimum deposit to open. A low balance fee of $10 is assessed if the daily balance drops below $10,000. Interest compounded daily and paid monthly. Membership eligibility required.
Offer: Balances below $10,000 do not earn interest. Daily balance below $10,000 incurs a $10 fee.
0.00% interest rate · Compounded daily · $10 monthly fee · Effective Oct 3, 2026
Rate by balance
Rate by balance for Premier Money Market Account Balance APY Up to $10,000 0.00% $10,000 – $50,000Your amount 2.70% $50,000 and up 3.25% Rate checked
More details - Westerra Credit UnionMoney Market SelectMoney Market Select · $0 min · 2.00%–3.25% by balance
Credit union · 1 branch
2.50%APY$250 a year on $10,000with conditionsRequirements
Product: Membership eligibility required. IRA, Roth IRA, and Business accounts are not eligible for this product. No monthly maintenance fees or minimum opening balance required.
Offer: Requires meeting account requirements: 10 combined debit/credit card purchase transactions that post and clear in the statement month on the same membership account. Waived in first statement cycle.
Qualified rate · 1.98% interest rate · No monthly fee · Effective Oct 2, 2026
Rate by balance
Rate by balance for Money Market Select Balance APY Up to $1,000 2.00% $1,000 – $10,000 2.00% $10,000 – $25,000Your amount 2.50% $25,000 – $50,000 2.50% $50,000 – $100,000 3.00% $100,000 – $250,000 3.25% $250,000 and up 3.25% Rate checked
More details - 2.00%APY$200 a year on $10,000with conditions
Requirements
Product: Opening deposit of at least $25 required. Monthly maintenance fee of $5 is waived for owners of a U.S. Bank Smartly Checking account, Safe Debit account, U.S. Bank Smartly Visa Signature Card, or accounts with a minor under age 18. Relationship rates require maintaining an eligible qualifying product and vary by Combined Qualifying Balance (CQB).
Offer: Relationship rate for Combined Qualifying Balance (CQB) under $5,000. Requires an eligible open and in-good-standing account (U.S. Bank Smartly Checking, Safe Debit, or U.S. Bank Smartly Visa Signature Card).
Qualified rate · 1.00% interest rate · $5 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for U.S. Bank Smartly Savings Balance APY Up to $5,000 1.00% $5,000 – $25,000Your amount 2.00% $25,000 – $50,000 3.50% $50,000 – $100,000 3.50% $100,000 – $99,999,999,999 3.50% Rate checked
More details - 2.00%APY$200 a year on $10,000with conditions
Requirements
Product: Variable rate account. Monthly maintenance fee of $5 is waived for owners of a Bank Smartly Checking account, Safe Debit account, Bank Smartly Visa Signature Card, or accounts with a minor under age 18. Higher relationship rates require maintaining an eligible product (Bank Smartly Checking, Safe Debit account, or Bank Smartly Visa Signature Card) and are determined by Combined Qualifying Balance (CQB).
Offer: Relationship rate for CQB Under $5,000. Requires qualifying relationship product.
Qualified rate · 1.00% interest rate · $5 monthly fee · Effective Oct 5, 2026
Rate by balance
Rate by balance for Bank Smartly Savings Balance APY Up to $5,000 1.00% $5,000 – $25,000Your amountRelationship rate for CQB $5,000 to $24,999.99. 2.00% $25,000 – $50,000Relationship rate for CQB $25,000 to $49,999.99. 3.50% $50,000 – $100,000Relationship rate for CQB $50,000 to $99,999.99. 3.50% $100,000 and upRelationship rate for CQB $100,000 and above. 3.50% Rate checked
More details - Canvas Credit UnionMoney Market PlusMoney Market Plus · $10,000 min · 1.15%–1.50% by balance
Credit union · 2 branches
1.15%APY$115 a year on $10,000Requirements
Product: Tiered rate account where the interest rate for a particular tier applies to the entire account balance if within the balance range. If the account balance drops below $10,000.00, a $10.00 monthly service fee will apply. Interest compounded and credited monthly.
Offer: Tier rate applies to entire balance. If account balance drops below $10,000.00, a $10.00 monthly service fee will apply. $10,000 minimum required balance to earn stated APY. Interest compounded and credited monthly.
1.14% interest rate · $10 monthly fee · Effective Oct 1, 2026
Rate by balance
Rate by balance for Money Market Plus Balance APY Up to $25,000Your amount 1.15% $25,000 – $50,000 1.20% $50,000 – $100,000 1.30% $100,000 and up 1.50% Rate checked
More details - 1.00%APY$100 a year on $10,000
Requirements
Product: If the account balance drops below $1,000.00, a $10.00 monthly service fee will apply. Interest is compounded and credited monthly. Average daily balance method used.
Offer: If the account balance drops below $1,000.00, a $10.00 monthly service fee will apply. Interest compounded and credited monthly.
1.00% interest rate · $10 monthly fee · Effective Oct 1, 2026
Rate checked
More details - Air Academy Credit UnionSaver AccountSavings · $0 min · 0.15%–0.75% by balance
Credit union · 1 branch
0.75%APY$75 a year on $10,000with conditionsRequirements
Product: Qualifications: In your Cash Rewards or Cash Back Rewards Checking account, (a) post and clear at least one direct deposit or pre-authorized ACH, (b) post and clear twelve or more purchase transactions using your debit card, and (c) enroll in estatements during the monthly periodic statement cycle. When met, balances up to $50,000.00 earn 0.75% APY and balances over $50,000.00 earn 0.15% APY. If qualifications are not met, 0.05% APY is received on the entire balance.
Offer: Earned on balances up to $50,000.00 when monthly qualifications in Cash Rewards or Cash Back Rewards Checking are met.
Qualified rate · 0.75% interest rate · No monthly fee · Effective Oct 15, 2026
Rate by balance
Rate by balance for Saver Account Balance APY Up to $50,000Your amount 0.75% Over $50,000 0.15% Rate checked
More details - Canvas Credit UnionReverse Tier Savings AccountSavings · $0 min · 0.30%–5.00% by balance
Credit union · 2 branches
0.75%APY$75 a year on $10,000Requirements
Product: No fees. No minimum deposit or balance. Limit of one Reverse Tier Savings Account per member. Canvas Credit Union membership required.
Offer: Rate applies to balances from $0 to $2,000.
No monthly fee
Rate by balance
Rate by balance for Reverse Tier Savings Account Balance APY Up to $2,000 5.00% $2,000 – $5,000 1.50% $5,000 – $10,000Your amount 0.75% $10,000 – $50,000 0.40% Over $50,000 0.30% Rate checked
More details - Westerra Credit UnionMoney Market AccountMoney Market Account · $0 min · 0.60%–1.00% by balance
Credit union · 1 branch
0.70%APY$70 a year on $10,0000.60% interest rate · Effective Oct 2, 2026
Rate by balance
Rate by balance for Money Market Account Balance APY Up to $1,000 0.60% $1,000 – $10,000 0.60% $10,000 – $25,000Your amount 0.70% $25,000 – $50,000 0.80% $50,000 – $100,000 0.90% $100,000 – $250,000 1.00% $250,000 and up 1.00% Rate checked
More details - Wings Credit UnionMoney Market SavingsMoney Market Savings · $2,500 min · 0.10%–1.60% by balance
Credit union · 2 branches
0.60%APY$60 a year on $10,000Requirements
Product: Membership required. Insured by NCUA. Minimum actual balance required to open is $2,500. Pay no monthly fees or minimum balance fee.
0.10% interest rate · No monthly fee · Effective Oct 2, 2026
Rate by balance
Rate by balance for Money Market Savings Balance APY Up to $2,500 0.10% $2,500 – $10,000 0.15% $10,000 – $25,000Your amount 0.60% $25,000 – $50,000 0.80% $50,000 – $100,000 1.00% $100,000 – $250,000 1.30% $250,000 and up 1.60% Rate checked
More details - 0.50%APY$50 a year on $10,000
Requirements
Product: Available online or at local branches. Interest calculated daily. Up to 9 withdrawals per quarter free, $1.25 for each additional debit. $9.00 quarterly service fee waived with a minimum balance of $200.
Offer: Rates listed are available for accounts opened online only and may differ for accounts opened at a local branch. Rates are effective as of today's date and are subject to change. $9.00 service charge per statement quarter if balance falls below $200.
Rate checked
More details
Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates, not just the account shown. How we rank
What savings accounts pay in Castle Rock, CO
49 accounts at 14 banks and credit unions · checked Oct 6–22
- Typical
- 0.07%
- Top 10% from
- 2.54%
- Banks, typical
- 0.04%
- Credit unions, typical
- 0.35%
Is your bank paying you enough?
Find your bank or credit union to see all its rates and how they compare near you.
Denver, CO metro
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- Colorado Federal BankBank · 1 branch
- Canvas Credit UnionCredit union · 22 branches
- Bellco Credit UnionCredit union · 21 branches