Castle Rock, Colorado (CO) Savings Rates - March 2026
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The savings rates displayed are actual, verified rates sourced directly from the official websites of banks and credit unions. Our editorial content is independent of any advertiser relationships.
The best savings rates for Castle Rock, Colorado and the surrounding area include FirstBank (Colorado)FirstBank (Colorado)2 E Plum Creek Pkwy, Castle Rock, CO 80104A+5.0 ★Texas Ratio: 1.68% Bloom Savings Account at 3.35% APY, PNC BankPNC Bank568 E Castle Pines Pkwy, Castle Rock, CO 80108A5.0 ★Texas Ratio: 6.83% PNC High Yield Savings® at 3.25% APY, Bellco Credit UnionBellco Credit Union4611 Milestone Ln, Castle Rock, CO 80104A+5.0 ★Texas Ratio: 4.87% Youth Savings at 3.25% APY, Premier Members Credit UnionPremier Members Credit Union6355 Promenade Pkwy, Castle Rock, CO 80108A+5.0 ★Texas Ratio: 4.73% High Yield Savings Account at 2.78% APY, and Ent Credit UnionEnt Credit Union190 S Wilcox St Ste G, Castle Rock, CO 80104A+5.0 ★Texas Ratio: 4.95% Business Money Market Savings at 1.60% APY. Savings rates as of March 28, 2026 according to verified data from MonitorBankRates.
To see how these savings rates in Castle Rock, Colorado, and the surrounding area, compare, use our comprehensive tables below for side-by-side comparisons to find the best savings rates available. Rates in Castle Rock, Colorado (CO) are continually updated — we recommend checking back frequently.
Savings rates reflect recent market quotes and representative offers available to depositors in Castle Rock, Colorado and the surrounding area. Last Updated and Verified: March 28, 2026
Compare the Best Savings Rates in Castle Rock, Colorado & Surrounding Communities
Source: Verified Savings Rate Data provided by MonitorBankRates
Institution
Product
APY
Min Deposit
Profile
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Bloom Savings Account
3.35%
$0
▼
Rate3.29%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
PNC Bank
Institution Rating:
A5.0 ★Texas Ratio: 6.83%
568 E Castle Pines Pkwy, Castle Rock, CO 80108
PNC High Yield Savings®
3.25%
$0
▼
Rate3.20%
Min Deposit$0
Min Balance—
UpdatedMar 28, 2026
Details
Bellco Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.87%
4611 Milestone Ln, Castle Rock, CO 80104
Youth Savings
3.25%
$0
▼
Rate0.00%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Qualifying balance up to $1,000.00
Bellco Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.87%
4611 Milestone Ln, Castle Rock, CO 80104
Savings Account
3.25%
$0
▼
Rate3.20%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Bloom Savings Account
2.85%
$0
▼
Rate2.81%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Premier Members Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.73%
6355 Promenade Pkwy, Castle Rock, CO 80108
High Yield Savings Account
2.78%
$0
▼
Rate2.75%
Min Deposit$0
Min Balance—
UpdatedMar 28, 2026
Details
Bellco Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.87%
4611 Milestone Ln, Castle Rock, CO 80104
Savings Account
2.70%
$0
▼
Rate2.66%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Bellco Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.87%
4611 Milestone Ln, Castle Rock, CO 80104
Savings Account
2.25%
$0
▼
Rate2.23%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Business Money Market Savings
1.60%
$0
▼
Rate1.59%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Money Market Savings
1.60%
$0
▼
Rate1.59%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Bloom Savings Account
1.45%
$0
▼
Rate1.44%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Money Market Savings
1.30%
$0
▼
Rate1.29%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Business Money Market Savings
1.30%
$0
▼
Rate1.29%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Money Market Savings
1.00%
$0
▼
Rate1.00%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Health Savings Account
1.00%
$0
▼
Rate1.00%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Business Money Market Savings
1.00%
$0
▼
Rate1.00%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Money Market Savings
0.80%
$0
▼
Rate0.80%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
IRA Savings
0.80%
$0
▼
Rate0.80%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Health Savings Account
0.80%
$0
▼
Rate0.80%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Business Money Market Savings
0.80%
$0
▼
Rate0.80%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Business 2 Year Time Savings Account
0.75%
$0
▼
Rate0.74%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
2 Year Time Savings Account
0.75%
$0
▼
Rate0.74%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Money Market Savings
0.60%
$0
▼
Rate0.60%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Business Money Market Savings
0.60%
$0
▼
Rate0.60%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Health Savings Account
0.60%
$0
▼
Rate0.60%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
IRA Savings
0.60%
$0
▼
Rate0.60%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Business 1 Year Time Savings Account
0.50%
$0
▼
Rate0.50%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
1 Year Time Savings Account
0.50%
$0
▼
Rate0.50%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
1 Year Time Savings
0.50%
$0
▼
Rate0.50%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Premier Members Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.73%
6355 Promenade Pkwy, Castle Rock, CO 80108
Health Savings Account (HSA)
0.50%
$0
▼
Rate0.50%
Min Deposit$0
Min Balance—
UpdatedMar 28, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Bloom Savings Account
0.30%
$0
▼
Rate0.30%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Smart Choice College Savings Plan
0.25%
$0
▼
Rate0.25%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Money Market Savings
0.25%
$0
▼
Rate0.25%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Health Savings Account
0.15%
$0
▼
Rate0.15%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Business Money Market Savings
0.15%
$0
▼
Rate0.15%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
IRA Savings
0.15%
$0
▼
Rate0.15%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Money Market Savings
0.15%
$0
▼
Rate0.15%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Independent Bank Mckinney, TX
Institution Rating:
A+5.0 ★Texas Ratio: 2.30%
501 Wilcox St, Castle Rock, CO 80104
Business Savings
0.15%
$0
▼
Rate0.15%
Min Deposit$0
Min Balance—
UpdatedMar 27, 2026
Details
Premier Members Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.73%
6355 Promenade Pkwy, Castle Rock, CO 80108
High Yield Savings Account
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 28, 2026
Details
Bellco Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.87%
4611 Milestone Ln, Castle Rock, CO 80104
Savings Account
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Business Money Market Savings
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
Health Savings Account
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
Ent Credit Union
Institution Rating:
A+5.0 ★Texas Ratio: 4.95%
190 S Wilcox St Ste G, Castle Rock, CO 80104
IRA Savings
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 26, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Business 91 Day Time Savings Account
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Money Market Savings
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Smart Choice College Savings Plan
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
91 Day Time Savings Account
0.10%
$0
▼
Rate0.10%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
ANB Bank
Institution Rating:
A+5.0 ★Texas Ratio: 1.17%
3851 Sol Danza Dr, Castle Rock, CO 80109
Business Savings
0.08%
$0
▼
Rate0.08%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
ANB Bank
Institution Rating:
A+5.0 ★Texas Ratio: 1.17%
3851 Sol Danza Dr, Castle Rock, CO 80109
Personal Savings
0.08%
$0
▼
Rate0.08%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
ANB Bank
Institution Rating:
A+5.0 ★Texas Ratio: 1.17%
3851 Sol Danza Dr, Castle Rock, CO 80109
Youth Savings
0.08%
$0
▼
Rate0.08%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Business Money Market Savings
0.05%
$0
▼
Rate0.05%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Smart Choice College Savings Plan
0.05%
$0
▼
Rate0.05%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Money Market Savings
0.05%
$0
▼
Rate0.05%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
747 Genoa Way, Castle Rock, CO 80109
Platinum Savings
0.05%
$25
▼
Rate0.05%
Min Deposit$25
Min Balance—
UpdatedMar 22, 2026
Details
Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit
Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
747 Genoa Way, Castle Rock, CO 80109
Retirement High Yield Savings
0.05%
$0
▼
Rate0.05%
Min Deposit$0
Min Balance—
UpdatedMar 22, 2026
Details
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Bloom Savings Account
0.05%
$0
▼
Rate0.05%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
PNC Bank
Institution Rating:
A5.0 ★Texas Ratio: 6.83%
568 E Castle Pines Pkwy, Castle Rock, CO 80108
Standard Savings
0.03%
$0
▼
Rate0.03%
Min Deposit$0
Min Balance—
UpdatedMar 28, 2026
Details
PNC Bank
Institution Rating:
A5.0 ★Texas Ratio: 6.83%
568 E Castle Pines Pkwy, Castle Rock, CO 80108
Standard Savings
0.02%
$0
▼
Rate0.02%
Min Deposit$0
Min Balance—
UpdatedMar 28, 2026
Details
Wells Fargo
Institution Rating:
A5.0 ★Texas Ratio: 7.44%
747 Genoa Way, Castle Rock, CO 80109
Platinum Savings
0.02%
$25
▼
Rate0.02%
Min Deposit$25
Min Balance—
UpdatedMar 22, 2026
Details
Avoid the $12 monthly service fee with a $3,500 minimum daily balance each fee period.; $25 minimum opening deposit
FirstBank (Colorado)
Institution Rating:
A+5.0 ★Texas Ratio: 1.68%
2 E Plum Creek Pkwy, Castle Rock, CO 80104
Business Regular Savings
0.02%
$0
▼
Rate0.02%
Min Deposit$0
Min Balance—
UpdatedMar 25, 2026
Details
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MonitorBankRates
The Annual Percentage Yields (APYs) displayed are based on the highest APY offered for the specified deposit amount or less. Rates may change without prior notice.
Banks and Credit Unions: If you identify an incorrect rate or wish to request the removal of your institution’s data, please contact us here.
Banks and Credit Unions: If you identify an incorrect rate or wish to request the removal of your institution’s data, please contact us here.
Castle Rock, CO Savings Rate Trends
Compare local Castle Rock, CO savings rate quotes against the statewide average
Weekly savings rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
High-Yield Savings — CO Avg
0.976%
▼ 2.088 from last week
Colorado high-yield savings rates fell 2.088 points this week to 0.976% APY, down from 3.064% last week.
Standard Savings — CO Avg
0.809%
▲ 0.004 from last week
Colorado standard savings rates rose 0.004 points this week to 0.809% APY, up from 0.805% last week.
As of Mar 28, 2026 •
Rate data sourced from 8,500+ monitored institutions
Powered by MonitorBankRates
Methodology & Data Sources
Direct-Sourced & Verified Savings Rate Data: We aggregate savings account rates for Castle Rock, Colorado directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. Every savings rate displayed on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in Castle Rock, Colorado. We feature a comprehensive mix of institutions — from neighborhood credit unions and competitive regional banks to large national institutions available to savers in CO.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update savings rates daily. Because savings account yields can fluctuate rapidly, every product listed features its own specific “last updated” date, giving you complete transparency.
Frequently Asked Questions about Savings Accounts in Castle Rock, Colorado
What is a High-Yield Savings Account (HYSA)?
A High-Yield Savings Account (HYSA) typically pays significantly higher interest than standard accounts at national brick-and-mortar banks. These accounts, often found at online banks or local credit unions in Colorado, help your money grow faster through a higher APY.
Are savings accounts in Castle Rock, Colorado safe?
Yes, as long as the institution is FDIC insured (for banks) or NCUA insured (for credit unions). This provides federal protection for your deposits in Colorado up to $250,000 per depositor, per institution.
How often do savings rates change in Castle Rock, Colorado?
Savings rates are variable and can change at any time based on market conditions and Federal Reserve decisions. We update our local Colorado rate tables daily to ensure you see the most current high-yield options.
Do I need a minimum deposit to open a savings account?
It depends on the bank. Many online high-yield savings accounts have no minimum deposit requirement, while some traditional banks in Castle Rock, Colorado may require $25–$100 to open an account.
What is the difference between a Savings Account and a Money Market Account?
Both pay interest and are federally insured. Money Market Accounts (MMAs) often come with check-writing privileges or a debit card, making them more flexible, whereas standard savings accounts typically do not.
Are online banks better than local banks in Castle Rock, Colorado?
Online banks often offer higher APYs because they have lower overhead costs. However, local banks in Castle Rock, Colorado offer in-person customer service, which some customers prefer.
How do I open a savings account in Castle Rock, Colorado?
You can open a savings account online or in-person. You will generally need a government-issued ID, your Social Security number, and an initial deposit to get started.
Best Savings Rates in Castle Rock, Colorado
Here are recent savings rates observed in Castle Rock, Colorado and the surrounding area:
- FirstBank (Colorado)
Bloom Savings Account — 3.35% APY - PNC Bank
PNC High Yield Savings® — 3.25% APY - Bellco Credit Union
Youth Savings — 3.25% APY - Premier Members Credit Union
High Yield Savings Account — 2.78% APY - Ent Credit Union
Business Money Market Savings — 1.60% APY
Savings Rates reflect actual verified offers from banks and credit unions actively accepting deposits in Castle Rock, Colorado. Your final available rate may depend on deposit amount and daily market movements. Last Updated and Verified: March 28, 2026
