Unshakable ZIP Data 80109 | Castle Rock, CO Housing Market
Castle Rock · Douglas County · Denver-Aurora-Lakewood, CO metro · Colorado · Data updated June 19, 2026
The median sale price in ZIP 80109, Castle Rock, Colorado is $649,807 at $242 per square foot. 152 single-family homes sold in the latest period, up 11.2 percent from a year earlier. Homes sit a median of 14 days on market with 2.5 months of supply. Sellers are getting 99.5 percent of list price and 27.0 percent of homes sold above asking.
Seller's market. No room for sloppy offers.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $664,024 | |
| Average price per sq ft | $247 | |
| Median sale price | $649,807 | |
| Median sale price per sq ft | $242 | |
| Median home size | 2,686 sq ft | |
| Median new listing price | $679,194 | +1.8% |
| National size rank | 4,832 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 152 | +11.2% |
| Median days on market | 14 days | |
| Months of supply | 2.5 months | |
| New listings | 220 | -2.5% |
| Active listings | 316 | +4.0% |
| Pending sales | 181 | +9.3% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 99.5% | +0.1 pts |
| Share sold above list | 27.0% | +5.1 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$558,575
3-bedroom
$580,528
4-bedroom
$693,085
5-bedroom
$823,717
These figures describe the single-family market for Castle Rock, Colorado ZIP 80109. They are market context, not a substitute for sold comps or a formal appraisal.