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Castle Rock, CO 80109 Housing Market

Data snapshot: October 26, 2026. Closed-sale window: last 6 months.
Castle Rock, CO inventory balance
Homes for sale vs homes under contract. Pending-to-active ratio: 0.06
ActiveActive listings: 5353PendingPending sales: 33
Castle Rock, CO: what sellers ask vs what buyers pay
Median asking price of current listings vs median closed sale price over the last six months
AskingMedian asking price (current listings): $649k$649kSoldMedian sold price (last 6 months): $640k$640k
What homes actually sell for in Castle Rock, CO
Distribution of 279 closed sale prices over the last six months (5th to 95th percentile). Middle half of sales: $532k to $800k
$415k to $535k: 57 sales$415k$535k to $655k: 78 sales78sales$655k to $775k: 53 sales$655k$775k to $895k: 25 sales$895k to $1.01M: 21 sales$895k$1.01M to $1.14M: 4 sales$1.14M to $1.25M: 12 sales$1.14M$1.25M to $1.38M: 2 salesMedian $640k

What the numbers say

As of October 26, 2026, Resideline is tracking 53 active listings and 3 pending sales in ZIP code 80109. That pending-to-active ratio of 0.06 makes it a typical-pace market: listings are going under contract at about the pace of most ZIP codes Resideline tracks.

The median asking price of current listings is $649,000, while the median of the 279 closed sales Resideline tracked over the last six months was $640,000. Those two figures describe different sets of homes, so any gap between them reflects the mix of what is listed now versus what recently sold, not a negotiating discount. Resideline has been seeing the median active listing in 80109 for 85 days.

Frequently asked questions

What is the median home price in 80109?

The median closed sale price in Castle Rock, CO 80109 was $640,000 over the last six months, based on 279 closed sales tracked by Resideline. The middle half of those sales ranged from $532,500 to $800,000.

Is 80109 a buyer's or seller's market?

Resideline is currently tracking 3 pending sales against 53 active listings in 80109, a pending-to-active ratio of 0.06. Resideline tracks a sample of pending sales, so the ratio is most useful as a comparison: across the 3,777 ZIP codes Resideline tracks, the middle half run from 0.05 to 0.11. A higher ratio means listings go under contract faster, which usually favors sellers; a lower one gives buyers more room. By that comparison, 80109 is currently a typical-pace market.

Nearby ZIP code market data

Full Castle Rock, CO housing market report →

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