Market Overview
Home Prices in Castle Rock, WA
The median home value in Castle Rock, WA is $486,238 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 1.2% compared to a year ago and down 0.4% from two years prior.
Compared to the U.S. national median of $410,000, homes in Castle Rock are priced19% above average. Castle Rock is part of the Longview, WA metro area.
Over the past five years, Castle Rock home values have risen by approximately16.4%, reflecting steady appreciation in this market.
Price History
Castle Rock Home Price Trend
City Comparison
Castle Rock vs. National Median
At $486,238, homes in Castle Rock cost 19% above the national median of $410,000. Buyers in Castle Rock should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Castle Rock?
20% Down Payment
$97,248
on $486,238
Monthly P&I
$2,536/mo
30-yr @ 6.8%
Total Monthly Est.
~$3,221/mo
incl. taxes & insurance
Income Needed
$128,840
gross annual (30% rule)
10% Down Option
$48,624
+ PMI applies
Loan Amount (20% dn)
$388,990
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Castle Rock, WA?
The median home value in Castle Rock is $486,238 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 1.2% year-over-year.
How much have home prices changed in Castle Rock?
Over the past year, home values in Castle Rock have increased by 1.2%. Over five years, prices have risen approximately 16.4%.
How much do I need to earn to buy a home in Castle Rock?
To comfortably afford the median home price of $486,238 with a 20% down payment ($97,248) at today's rates (6.8%), you'd need a gross annual income of approximately $128,840. This assumes keeping total housing costs at or below 30% of gross income.
How does Castle Rock compare to the national average home price?
The national median home value is approximately $410,000. At $486,238, homes in Castle Rock are 19% above the national average.
What metro area is Castle Rock part of?
Castle Rock is part of the Longview, WA metropolitan area. Home prices and market conditions can vary across the broader metro region.