Castle Rock CO
989 active listings out of 34K total properties we track across 8 Castle Rock ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show Colorado (statewide), not just Castle Rock. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 989 currently-active listings in Castle Rock, CO. Full dataset covers 34K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Castle Rock
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Colorado cities within driving distance.
Get Castle Rock, CO data in your app
GET https://api.straply.com/v1/markets/city/castle-rock-co
Authorization: Bearer $STRAPLY_KEY{
"city": "castle-rock-co",
"total_tracked": 34415,
"active": 989,
"median_list": 750000
}Castle Rock, CO real estate: market summary
As of April 2026, Straply tracks 34,415 homes in Castle Rock, CO, with 989 active for sale at a median list price of $750,000 (~$226/sq ft). Notably, home prices are climbing — the median sale price is up 10% year over year.
- Median list price
- $750,000
- Median $/sq ft
- $226
- Active listings
- 989
- Median sale price
- $715,000 (+10% YoY)
- Properties tracked
- 34,415
Frequently asked: Castle Rock, CO real estate
What is the median home price in Castle Rock?
The median list price in Castle Rock, CO is $750,000 (about $226 per square foot), based on 989 active listings tracked by Straply as of April 2026.
What price range are homes in Castle Rock?
Active listings in Castle Rock, CO concentrate in: 39% $500k–$750k and 24% $750k–$1m.
Are home prices in Castle Rock going up or down?
The median sale price is $715,000, up 10% year over year. Straply tracked 1,926 sales here over the past 12 months.
How many homes are for sale in Castle Rock?
Straply is tracking 989 active listings in Castle Rock, CO out of 34,415 properties on record as of April 2026.
How old are the homes in Castle Rock?
Most homes in Castle Rock, CO were built in the 2000s. About 94% were built after 1980. The newest tracked home dates to 2026.
What types of homes are in Castle Rock?
Castle Rock, CO is mostly single-family homes (87% of listings). Also common: townhouses 7%.
How many bedrooms do homes in Castle Rock typically have?
The most common size in Castle Rock, CO is 4 bd.
What are the most active ZIP codes in Castle Rock?
The ZIP codes with the most active listings in Castle Rock, CO are 80104, 80109, 80108.
What areas are near Castle Rock?
Nearby markets Straply also tracks include Castle Pines, Franktown, Parker, Sedalia.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.