Homes Under $400K in Castle Rock, CO

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Castle Rock housing market

September 2026 · This period is still settling

Selling at 99.3% of asking price

Buyers here are paying below asking. MLS · 121 sales · as of Sep 30, 2026

Homes that sold · County records, as of Sep 22, 2026

Median sale price: $715,000$596,375–$945,500 typical range
Price per sq. ft.: $260
Sales: 106
Paid in cash: 22.6%

Homes on the market · MLS, as of Sep 27, 2026–Sep 30, 2026

Median list price: $725,000
Homes for sale: 585
Median days on market: 56 days

Price trend · Assessor repeat sales, as of Sep 30, 2026

Year-over-year: -7.4%

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 3, 2026

Median home size: 2,694 sq. ft.

Castle Rock, CO community profile

Population: 81,854
Median income: $132,215
Housing units: 28,808
People per sq. mi.: 542.4
Area: 150.9 sq. mi.

Source: HJN community data

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Listing data & MLS disclosures

Castle Rock housing market

Homes that sold · County records, as of Sep 22, 2026

Homes on the market · MLS, as of Sep 27, 2026–Sep 30, 2026

Price trend · Assessor repeat sales, as of Sep 30, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 3, 2026

Castle Rock, CO community profile

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Listing data & MLS disclosures

Castle Rock, CO community profile

Castle Rock housing market

Homes that sold · County records, as of Sep 22, 2026

Homes on the market · MLS, as of Sep 27, 2026–Sep 30, 2026

Price trend · Assessor repeat sales, as of Sep 30, 2026

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 3, 2026