Mortgage Rates in Castle Rock, Colorado — April 2026
Updated April 2026 | Based on Castle Rock market data and regional lending conditions
With a population of 73,158, Castle Rock, Colorado offers a cost of living close to the national average. The current 30-year fixed rate here is 6.67% (0.58% above the national average). The median home price of $510,000 translates to roughly $2,842/month with 20% down — requiring an income of about $121,800, which exceeds the local median of $63,500.
Whether you call it a 30-year mortgage, 30-year home loan, 30-year house loan, or 30-year mortgage loan, the underlying product is the same: a fixed-rate amortizing loan paid over 360 months. In Castle Rock, CO, the current 30-year rate is 6.67%. Shorter terms (15-year fixed at 5.93% or 20-year fixed, typically priced between the 15- and 30-year) reduce total interest paid but increase monthly payments — see our 15-year vs 30-year comparison for the math. Government-backed options include FHA loans (6.46%) and VA loans (6.21%), often available at lower rates with reduced down payment requirements.
Current Mortgage Rates in Castle Rock, CO
Below are the current average mortgage rates available in the Castle Rock area as of April 2026. Rates vary by lender, credit score, and loan-to-value ratio. Use our free calculator above to see your personalized estimate.
| Loan Type | Rate | National Avg | Difference |
|---|---|---|---|
| 30-Year Fixed | 6.67% | 6.09% | +0.58% |
| 15-Year Fixed | 5.93% | 5.58% | +0.35% |
| 5/1 ARM | 6.2% | 5.95% | +0.25% |
| FHA | 6.46% | 5.85% | +0.61% |
| VA | 6.21% | 5.65% | +0.56% |
| Jumbo | 6.92% | 6.25% | +0.67% |
Castle Rock Housing Market Overview
Castle Rock's housing market is competitive — median prices of $510,000 put it well above the national median of ~$400,000. Buyers here face higher barriers to entry, but the local economy (median household income: $63,500) may not fully support current asking prices.
Monthly Payment Breakdown for Castle Rock
Based on the median home price of $510,000 with 20% down ($102,000), here is what you can expect to pay monthly in Castle Rock:
15-Year vs. 30-Year Mortgage in Castle Rock
Choosing a 15-year mortgage in Castle Rock at 5.93% instead of a 30-year at 6.67% would save you $327,960 in total interest over the life of the loan. However, your monthly payment would be $3,428 instead of $2,625 — an increase of $803 per month.
Calculate Your Castle Rock Mortgage Payment
Use our free calculator to get a personalized estimate based on your loan amount, interest rate, and term.
Open Free CalculatorFrequently Asked Questions About Mortgages in Castle Rock
What are the current mortgage rates in Castle Rock, CO?
As of April 2026, the average 30-year fixed mortgage rate in Castle Rock, Colorado is 6.67%, while the 15-year fixed rate is 5.93%. FHA loans average 6.46% and VA loans 6.21%. These rates are 0.58% above the national average of 6.09%.
How much is a monthly mortgage payment in Castle Rock?
Based on the median home price of $510,000 with 20% down, the estimated monthly mortgage payment in Castle Rock is $2,625 for principal and interest. Including property taxes of $217/month, the total monthly housing cost is approximately $2,842.
What income do I need to buy a home in Castle Rock?
Using the 28% rule, you would need an annual income of approximately $121,800 to afford the median-priced home in Castle Rock at $510,000. The median household income in Castle Rock is $63,500. This means most households would need to either earn above the median or consider homes below $510,000.
Is Castle Rock a good place to buy a home in 2026?
Castle Rock offers a below-average cost of living with a cost of living index of 98.6 (national average = 100). The property tax rate in Colorado is 0.51%, which is below the national average. Castle Rock has a population of 73,158 and offers a balanced lifestyle.
Mortgage Rates in Other Colorado Cities
Related Tools & Guides
📊 Sources & Methodology
- 30-yr/15-yr fixed rates: Freddie Mac Primary Mortgage Market Survey (PMMS), weekly national average adjusted for Colorado regional spread.
- Median home price: $510,000 sourced from Redfin / Zillow real estate listings (2026 data).
- Property tax rate: 0.51% effective rate per Tax Foundation 2026 state property tax data.
- Median household income: $63,500 per US Census Bureau ACS 5-year estimate.
- Calculations: standard amortization formula M = P[r(1+r)^n] / [(1+r)^n − 1], with r = monthly rate, n = 360 months, P = loan amount (80% of home price).
Last updated: April 2026. Rates are approximate averages based on regional lending data for the Castle Rock, Colorado area. Individual rates may vary by lender, credit score, loan amount, and other factors. Use our free calculator for a personalized estimate.