$2,541
0 bd1 ba602 sqft
40 William St #556

The average Wellesley, MA home value is $1,976,477, up 4.5% over the past year. (Updated on )
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: $1,976,477
1-Year Value Change: +4.5%
(Data through February 28, 2026)
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