$4,200
3 bd2 ba1,698 sqft
1879 S Union St #89

The average Platinum Triangle, CA home value is $722,876, down 1.4% 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: $722,876
1-year Value Change: -1.4%
(Data through November 30, 2025)
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