The typical owner-occupied home in Castle Rock is worth about $348,600, 38% below the Washington median of $564,600 and 5% above the national median of $332,700. Owners pay a median $2,607 a year in property taxes, about 0.75% of their home's value, lower than the Washington rate of 0.81%. The median household earns $69,639 a year, so the median home costs 5.0 times the median income (5.8 times for Washington). 67% of occupied homes here are lived in by their owners, and 80% of those owners still have a mortgage.
Castle Rock at a glance
| Castle Rock | Washington | U.S. | |
|---|---|---|---|
| Median home value | $348,600 | $564,600 | $332,700 |
| Median property tax paid per year | $2,607 | $4,556 | $3,119 |
| Property tax as a share of value | 0.75% | 0.81% | 0.94% |
| Median household income | $69,639 | $98,141 | $80,734 |
| Homes lived in by their owners | 67% | 64% | 65% |
| Owner homes with a mortgage | 80% | 66% | 61% |
| Median monthly costs, owners with a mortgage | $1,648 | $2,445 | $1,963 |
| Those costs as a share of the owners' income | 26.0% | 22.2% | 21.0% |
| Median rent | $1,222 | $1,760 | $1,413 |
| Rent as a share of renters' income | 25.9% | 30.0% | 30.6% |
| Median year homes were built | 1970 | 1985 | 1980 |
| Vacant homes | 4.0% | 7.3% | 10.1% |
| Population | 2,217 | 7,816,116 | 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 $348,600 with 20% down costs about $2,239 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $2,820, 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 $95,964 for the 20%-down payment. That payment is 39% of the median Castle Rock household income of $69,639; at that income and 20% down, the 28% guideline points to a home of about $253,000.
The median rent here is $1,222 a month, so owning the median home costs about $1,017 a month more than renting, before you count the equity you build and any tax benefits.
| Down payment | $69,720 |
|---|---|
| Loan amount | $278,880 |
| Principal and interest | $1,876 |
| Property taxes (0.75% a year) | $218 |
| Homeowners insurance (our estimate, 0.5% a year) | $145 |
| PMI | $0 |
| Total per month | $2,239 |
Change the numbers in the calculator
| Down payment | $12,201 |
|---|---|
| Loan amount | $342,286 |
| Principal and interest | $2,303 |
| Property taxes (0.75% a year) | $218 |
| Homeowners insurance (our estimate, 0.5% a year) | $145 |
| FHA mortgage insurance | $154 |
| Total per month | $2,820 |
Change the numbers in the calculator
Questions about home buying in Castle Rock
What is the median home value in Castle Rock?
About $348,600 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 $2,607 a year, which is about 0.75% 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 $2,239 a month. Keeping that under 28% of gross income takes about $95,964 a year.
More about Castle Rock
- Mortgage Refinance in Castle Rock
- Debt Relief in Castle Rock
- Home Equity Loans in Castle Rock
- Guides and quotes for mortgage refinance on our sister site, MortgageRefinance.com
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