Active Listings
174
⇩ 2.8% vs 179 last year
Data as of September 2026. Source: Realtor.com.
The CASTLE ROCK, CO real estate market (80109) currently shows 174 active listings, with 36 pending sales. Homes are averaging 61 days on the market before going under contract.
Inventory has tightened compared to last year, with 5 fewer active listings — creating more competition among buyers.
Homes are taking longer to sell, averaging 61 days on market compared to 57 days last year.
The median listing price has fallen 4.5% year-over-year, from $699,950 to $668,725.
Population: 27,852 · Density: 413.8/mi² · Median household income: $144,034
Typical home value: $615,043 · Homeownership: 81.6%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 80109 | Castle Rock, CO 80109 | 0.0 mi | 123 | $106,214,559 | $659,950 | $863,533 |
| 80104 | Castle Rock, CO 80104 | 6.1 mi | 250 | $209,361,250 | $675,000 | $837,445 |
| 80134 | Parker, CO 80134 | 10.4 mi | 404 | $352,697,252 | $676,495 | $873,013 |
| 80130 | Littleton, CO 80130 | 11.4 mi | 57 | $41,558,016 | $701,500 | $729,088 |
| 80125 | Littleton, CO 80125 | 11.8 mi | 152 | $177,529,312 | $880,000 | $1,167,956 |
| 80126 | Littleton, CO 80126 | 12.6 mi | 127 | $119,738,775 | $795,000 | $942,825 |
| 80135 | Sedalia, CO 80135 | 13.9 mi | 30 | $57,546,990 | $1,574,500 | $1,918,233 |
| 80122 | Littleton, CO 80122 | 15.2 mi | 119 | $71,442,364 | $529,975 | $600,356 |
| 80128 | Littleton, CO 80128 | 16.6 mi | 157 | $91,753,155 | $461,125 | $584,415 |
| 80111 | Englewood, CO 80111 | 17.1 mi | 94 | $123,073,542 | $1,139,000 | $1,309,293 |
| 80133 | Palmer Lake, CO 80133 | 17.2 mi | 23 | $15,939,391 | $591,500 | $693,017 |
| 80425 | Buffalo Creek, CO 80425 | 17.7 mi | 1 | $875,000 | $875,000 | $875,000 |
| 80016 | Aurora, CO 80016 | 18.4 mi | 269 | $226,696,253 | $750,000 | $842,737 |
As of September 2026, there are 174 active listings in CASTLE ROCK, CO (zip code 80109), compared to 179 the prior year.
The median listing price in CASTLE ROCK, CO 80109 is $668,725 as of September 2026, a 4.5% decrease from $699,950 the prior year.
Homes in CASTLE ROCK, CO 80109 spend an average of 61 days on the market before going under contract, compared to 57 days the prior year.
Based on current inventory and days-on-market data as of September 2026, CASTLE ROCK, CO 80109 is currently a Balanced Market. Inventory has tightened compared to last year, with 5 fewer active listings — creating more competition among buyers. Homes are taking longer to sell, averaging 61 days on market compared to 57 days last year.
With SELL123.com's maximum 3% commission, sellers in CASTLE ROCK, CO 80109 save an estimated $13,375 compared to a typical 5% commission on the median listing price of $668,725. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.