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Buying a home in Castle Rock, Colorado

The typical owner-occupied home in Castle Rock is worth about $652,900, 21% above the Colorado median of $539,400 and 96% above the national median of $332,700. Owners pay a median $3,635 a year in property taxes, about 0.56% of their home's value, higher than the Colorado rate of 0.48%. The median household earns $145,197 a year, so the median home costs 4.5 times the median income (5.6 times for Colorado). 79% of occupied homes here are lived in by their owners, and 84% of those owners still have a mortgage.

Castle Rock at a glance

Castle Rock Colorado U.S.
Median home value $652,900 $539,400 $332,700
Median property tax paid per year $3,635 $2,602 $3,119
Property tax as a share of value 0.56% 0.48% 0.94%
Median household income $145,197 $95,470 $80,734
Homes lived in by their owners 79% 66% 65%
Owner homes with a mortgage 84% 69% 61%
Median monthly costs, owners with a mortgage $2,787 $2,326 $1,963
Those costs as a share of the owners' income 21.0% 22.1% 21.0%
Median rent $2,000 $1,761 $1,413
Rent as a share of renters' income 35.6% 31.4% 30.6%
Median year homes were built 2007 1988 1980
Vacant homes 3.2% 8.3% 10.1%
Population 79,123 5,862,189 334,922,499

What a typical home costs per month in Castle Rock

At this week's average 30-year rate of 7.11%, buying the median Castle Rock home of $652,900 with 20% down costs about $4,090 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $5,178, because the loan is bigger and FHA adds mortgage insurance.

Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $175,303 for the 20%-down payment. That payment is 34% of the median Castle Rock household income of $145,197; at that income and 20% down, the 28% guideline points to a home of about $541,000.

The median rent here is $2,000 a month, so owning the median home costs about $2,090 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$130,580
Loan amount$522,320
Principal and interest$3,514
Property taxes (0.56% a year)$305
Homeowners insurance (our estimate, 0.5% a year)$272
PMI$0
Total per month$4,090

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3.5% down, 30-year FHA loan
Down payment$22,852
Loan amount$641,074
Principal and interest$4,313
Property taxes (0.56% a year)$305
Homeowners insurance (our estimate, 0.5% a year)$272
FHA mortgage insurance$289
Total per month$5,178

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Questions about home buying in Castle Rock

What is the median home value in Castle Rock?

About $652,900 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Castle Rock?

Homeowners pay a median $3,635 a year, which is about 0.56% of the median home value. Your bill depends on your home's assessed value and local rates.

What income do you need to buy a home in Castle Rock?

For the median home with 20% down at 7.11%, the payment is about $4,090 a month. Keeping that under 28% of gross income takes about $175,303 a year.

More about Castle Rock

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data