$114,900
3 bd1 ba1,050 sqft
638 W Market St

The average Williamstown, PA home value is $133,610, down 3.7% 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: $133,610
1-year Value Change: -3.7%
(Data through January 31, 2026)
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