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Market Intelligence · CO / Castle Rock

Castle Rock, CO 80109 Housing Market

The typical home value in Castle Rock, CO 80109 is $646,436 as of September 2026, down 1.3% over the past year. The median list price is $668,725, and homes are spending a median of 61 days on the market.

Updated September 2026Median value$646K

The median home value in Castle Rock, CO 80109 is $646K as of September 2026, down 1.3% year over year, according to Zillow ZHVI. For a read on your own home, start with a free consultation: a licensed local pro will walk you through your numbers and your options, with no obligation.

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Typical 80109 range

$595K to $698K

This is an automated estimate, not an appraisal. Actual value is determined by current market conditions and professional evaluation. It is provided for informational purposes only and is not an offer to buy or a promise of value.

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12-month value trend

-1.3% over 12 months

Typical home value in 80109 over the last 12 months: $655K in Sep 2025 to $646K in Sep 2026 (-1.3%).

Sep 2025$655K

Sep 2026$646K

The numbers

What is the 80109 housing market like?

Typical home value

$646K

Down1.3%YoY

Median list price

$669K

Down1.3%MoM

Days on market

61

Up19.6%MoM

Homes for sale

138

Down2.8%MoM

Price cuts

32.6%

Up8.7%MoM

New listings

40

Down9.1%MoM

Sources · Zillow ZHVI (September 2026) / Realtor.com (September 2026) / FRED (October 2026)

The outlook

80109 housing market forecast 2027

-0.2%

Zillow forecast, 12 months to September 2027

Zillow forecasts typical home values in 80109 to stay roughly flat by September 2027 (down 0.2%).

Over the 12 months through September 2026, typical home values in 80109 fell 1.3%, per the Zillow Home Value Index.

Will home prices drop in 80109?

Zillow's forecast does not point to a meaningful drop: it expects typical home values in 80109 to stay roughly flat by September 2027 (down 0.2%), after a 1.3% decline over the past 12 months. Forecasts are not guarantees: mortgage rates, inventory, and the wider economy can move values either way.

Forecast: Zillow Home Value Forecast, published October 2026. A forecast, not a guarantee.

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The comparison

How do 80109 home prices compare?

  • 80109$646,436
  • Castle Rock$646,436
  • Colorado$494,491
  • United States$285,347

Median Zillow home value (ZHVI), as of September 2026. Comparison levels are medians across every ZIP code with Zillow data (Castle Rock: 3 ZIPs; Colorado: 416 ZIPs; United States: 26,262 ZIPs).

Context

As of September 2026, there are 138 homes for sale in the 80109 ZIP code, with 40 new listings coming on the market. The median list price is $668,725, and the median days on market is 61. About 32.6% of listings have taken a price cut. The typical home value is $646,436, down 1.3% over the past year. For sellers, the picture points to softer conditions where pricing a home carefully from the start matters more than it did in a faster market.

Monthly payment

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20% · $129,287

Common questions

What people ask us.

How much is a home in 80109 worth?

The typical home value in 80109 is $646,436 as of September 2026, down 1.3% over the past year. The median list price is $668,725.

How long do homes take to sell in 80109?

The median days on market in 80109 is 61 as of September 2026. There are 138 homes for sale, with 40 new listings as of September 2026.

Are sellers cutting prices in 80109?

As of September 2026, 32.6% of listings in 80109 have had a price cut.

Discover

Nearby ZIP markets.

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