$2,275
2 bd1 ba648 sqft
21 Groton St #5

The average Ayer, MA home value is $561,720, up 2.4% 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: $561,720
1-Year Value Change: +2.4%
(Data through March 31, 2026)
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