$2,800
3 bd3 ba1,540 sqft
9729 Birch Ln

The average Cornerstone, CO home value is $394,650, down 5.2% over the past year.
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $394,650
1-year Value Change: -5.2%
(Data through January 31, 2026)
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