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First-time home buyer programs in Castle Rock, CO

Quick answer

First-time buyers in Castle Rock, CO can use 3%-down conventional loans (up to the $862,500 Douglas County conforming limit), 3.5%-down FHA, or VA and USDA where eligible, plus 2 verified city, county or statewide assistance programs. On the $621,700 median home, 3% down is about $18,651 and the estimated payment is $4,797/month at 7.18%.

By Purchase Mortgage Loan Editorial Team Checked against official sources per our editorial standardsData last updated

Median household income: $143,031; value-to-income ratio 4.35. Castle Rock ranks 20 by home value and 16 by population among 70 places in our CO dataset.

What does a first-time buyer loan cost on a typical Castle Rock home?

ItemCastle Rock
Median home value (Census ACS)$621,700
Colorado median home value$502,200
Down payment (3%)$18,651
Loan amount$603,049
Estimated monthly payment (PITI + MI)$4,797
Income needed (28% / 36%)$206,000 / $160,000
Douglas County 2026 conforming limit (1 unit)$862,500
Max purchase price at the limit$889,000

Rate assumption: 7.18% (Freddie Mac PMMS 30-year fixed average, week of November 5, 2026). Change it in the payment calculator.

Payment includes Colorado's 0.49% effective property tax rate (Census ACS), $2,492/yr homeowners insurance (NAIC state average) and an estimated 0.5% PMI.

What is the 2026 conforming loan limit in Castle Rock?

Castle Rock is in Douglas County. Conventional 3%-down loans go up to the $862,500 conforming limit (price ≈ $889,000); FHA loans go up to $862,500.

The Castle Rock median home value of $621,700 is 24% above the Colorado median, and within what the county limit supports.

Which down payment assistance programs can Castle Rock buyers use?

First-time buyer loans in nearby cities

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First-time buyer loan FAQs for Castle Rock

On the $621,700 median: 3% conventional ≈ $18,651, 3.5% FHA ≈ $21,760, and 0% for eligible VA or USDA buyers. Conventional loans above $862,500 in Douglas County become jumbo loans.

At the $621,700 median value (above the Colorado median of $502,200), the estimated payment of $4,797/month at 7.18% needs about $206,000 a year under the 28% housing guideline, or $160,000 if your total debts stay under 36%.

0 city-level, 0 county-level and 2 statewide programs are verified for this city (2 total). Check each official administrator's eligibility rules and available funds.

Sources

Data last updated October 23, 2026.

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Figures on this page are estimates for educational purposes only and are not a loan offer or commitment to lend. Rates, loan limits, fees and assistance programs change frequently and vary by lender, location and borrower profile. Confirm current terms with a licensed loan officer.