Castle Rock, WA—98611
Real Estate Data & Market Trends
Key Metrics at a Glance
Home Price Trends — Castle Rock, WA
As of Aug '25, the median home price in Castle Rock, WA is $480,000, with a year-over-year change of -0.5%. This indicates that home prices in Castle Rock, WA are flat. According to Zillow, the 1-year price projection is 0.3%, suggesting a relatively flat housing market in the next year.
Cost per Home Size
| Home Size | Median Home Value | YoY % Change |
|---|---|---|
1 Bed | N/A | N/A |
2 Bed | $374,000 | -1.3% |
3 Bed | $500,000 | -0.4% |
4 Bed | $551,000 | 0.9% |
| 5 Bed | $598,000 | 0.5% |
Rental Trends — Castle Rock, WA
As of Jul '25, the average rent in Castle Rock, WA is $1,770, with a year-over-year rent change of 4.1%. 1-bedroom units average $1,010 (-22.3%); 2-bedroom units average $1,780 (35.9%); 3-bedroom units average $3,300 (106.2%)
| Type | Median Rent | Average Rent |
|---|---|---|
| Average Rent | $1,750 | $1,770 |
| Studio Rent | N/A | N/A |
| 1 Bed Rent | $925 | $1,010 |
| 2 Bed Rent | $1,750 | $1,780 |
| 3 Bed Rent | $3,300 | $3,300 |
| 4 Bed Rent | N/A | N/A |
Property Listings — Castle Rock, WA
As of Aug '25 and according to Realtor.com, the median days on market for a home in Castle Rock, WA is 75. This is an decrease of -7.0% from last year. This indicates that homes are sitting on the market shorter than last year. The percentage of listed homes with a reduced price is 47.0%. This is a large percentage of inventory, suggesting a lot of supply pressure on home prices.
| Metric | Zip Code Average | Year over Year % Change |
|---|---|---|
Median Listing Price | $575,000 | -12.0% |
Listing Count | 53 | N/A |
| Listings as % of Homes | 0.9% | N/A |
Days on Market | 75 | -7.0% |
Demographics — Castle Rock, WA
| Metric | Latest Census | YoY % Change |
|---|---|---|
Population | 9,370 | 0.0% |
% Under 18 | 22.8% | 2.2% |
| % Under 5 | N/A | N/A |
% Seniors | 24.0% | 8.1% |
% WFH | 7.0% | 20.7% |
% w/ College Degree | 13.7% | -20.8% |
Race and Ethnicity
| Metric | Latest Census | 5-Year % Change |
|---|---|---|
% White | 86.6% | -4.9% |
% Black | 0.2% | 0.0% |
% Hispanic | 2.8% | -3.4% |
% Asian | 0.6% | -25.0% |
% Foreign Born | 1.4% | 27.3% |
Mortgage and Risk — Castle Rock, WA
According to the latest data from the U.S. Department of Housing and Urban Development (HUD) as of 2023, the number of mortgages originated in Castle Rock, WA in that year was 278. 77.0% of all primary home loans were conventional, the remainder were government-backed loans, such as FHA loans. The average loan-to-value for all loans was 54.0%. Of those, 23.0% were >90% loan to value. This is considered very high, suggesting that mortgage risk is large in Castle Rock, WA. Investor activity in Castle Rock, WA is low, as 1.0% of all loans are originated by investors. In 2023, 9.0% of all loans were cash-out refinances, suggesting few homeowners are actively tapping their home's equity.
Mortgages
| Metric | Zip Code Average | Metro Average | State Average |
|---|---|---|---|
Total Loan Originations | 278 | N/A | N/A |
% Conventional Loans | 77.0% | N/A | N/A |
% Government Loans | 23.0% | N/A | N/A |
% Investor Loans | 1.0% | N/A | N/A |
% Second Loans | 1.0% | N/A | N/A |
% Cash Out Refinance | 9.0% | N/A | N/A |
Rentals and Section 8 — Castle Rock, WA
As of 2024, the percent of homes in Castle Rock, WA under the Section 8 program is 4.4%. This is considered low, suggesting that the neighborhood is sparsely composed of Section 8 homes. Section 8 opportunity is good when HUD pays homeowners more than the average rental market rate for various home sizes. For each bedroom size, the average difference between HUD payments and market rents is shown in the table below.
Section 8 Market Size
Total Units under HUD | 30 |
Total Units Section 8 | 30 |
% Rentals under Section 8 | 4.4% |
% Occupied Section 8 | 86.0% |
Section 8 Opportunity
| Home Size | HUD Premium | Market Rent | Max HUD Rent |
|---|---|---|---|
| 1 Bedroom | $455 | $925 | $1,380 |
| 2 Bedroom | -$120 | $1,750 | $1,630 |
| 3 Bedroom | -$1,020 | $3,300 | $2,280 |
| 4 Bedroom | N/A | N/A | $2,740 |
Affordability — Castle Rock, WA
Home Price to Income Ratio
| Metric | Zip Code Average | Metro Average | State Average |
|---|---|---|---|
| Home Price to Income Ratio | 5.6 | N/A | N/A |
| Median Home Price | $480,000 | N/A | N/A |
| Median Household Income | $81,600 | N/A | N/A |