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Castle Rock, CO 80109 Housing Market

Data snapshot: October 5, 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: 5454PendingPending 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): $644k$644kSoldMedian sold price (last 6 months): $650k$650k
What homes actually sell for in Castle Rock, CO
Distribution of 306 closed sale prices over the last six months (5th to 95th percentile). Middle half of sales: $540k to $795k
$420k to $549k: 64 sales$420k$549k to $678k: 90 sales90sales$678k to $806k: 67 sales$678k$806k to $935k: 22 sales$935k to $1.06M: 14 sales$935k$1.06M to $1.19M: 7 sales$1.19M to $1.32M: 8 sales$1.19M$1.32M to $1.45M: 3 salesMedian $650k

What the numbers say

As of October 5, 2026, Resideline is tracking 54 active listings and 3 pending sales in ZIP code 80109. That pending-to-active ratio of 0.06 points to a balanced market: buyers have room to compare options and negotiate.

The median asking price of current listings is $644,000, while the median of the 306 closed sales Resideline tracked over the last six months was $650,000. 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 74 days.

Frequently asked questions

What is the median home price in 80109?

The median closed sale price in Castle Rock, CO 80109 was $650,000 over the last six months, based on 306 closed sales tracked by Resideline. The middle half of those sales ranged from $540,000 to $795,000.

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

Resideline is currently tracking 3 pending sales against 54 active listings in 80109, a pending-to-active ratio of 0.06. Ratios of 0.6 or higher usually indicate a seller's market, 0.35 to 0.6 a competitive market, and lower values a more balanced one. By that yardstick, 80109 currently looks like a balanced market.

Nearby ZIP code market data

Full Castle Rock, CO housing market report →

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