Castle Rock, CO Real Estate
Population 74,065 · Median home value $577,500
Castle Rock Home Prices & New Construction
Based on 1650 market home sales in Castle Rock over the last 12 months. Figures as of September 2026.
New construction: 28 newly built homes sold in Castle Rock over the last 12 months, starting around $590,000 (median $975,000). New construction under $300,000 is rare here — none sold in the last year. If you're shopping under $300k, you'll find far more among existing homes:
24 homes sold under $300,000 in Castle Rock in the last 12 months.
| Price range | Homes sold (12 mo) |
|---|---|
| Under $200k | 6 |
| $200k–$300k | 18 |
| $300k–$400k | 50 |
| $400k–$500k | 137 |
| $500k–$700k | 754 |
| $700k+ | 685 |
Median sale price: $655,500 · Median price per sq ft: $267
The median sale price is down 2.9% from the prior 12 months ($674,998).
Source: ATTOM. As of September 2026. Market sales only (excludes transfers between family members and similar non-market deeds); individual transactions and owners are not shown.
About Castle Rock
Castle Rock is a home rule town that is the county seat of and the most-populous municipality in Douglas County, Colorado, United States. The town's population was 73,158 at the 2020 census, a 51.68% increase since the 2010 census. Castle Rock is the most-populous Colorado town and the 14th-most populous Colorado municipality. Castle Rock is a part of the Denver-Aurora-Lakewood, CO metropolitan statistical area and the Front Range urban corridor.
Your Local Castle Rock Real Estate Agent
Todd Runyan is the featured agent for Castle Rock, CO.
School Districts Serving Castle Rock
- Douglas County School District Re-1
Douglas County School District Re-1 serves grades PK–12 across 88 schools with about 61,243 students.
Grades PK–12 · 88 schools · 61,243 students