A properly constructed Eruv enables Jews within its boundaries to carry Sabbath-appropriate objects on the Shabbat. An Eruv can greatly enhance the quality of Shabbat. Over the years, more and more communities have developed local Eruvin. The following is a list of the known Eruvin in Massachusetts.
Greater Boston Eruv Corporation
Malden (not contiguous with above)
North Charles Community Eruv
Eruv Status: 857-389-3788
Sharon Community Eruv
Eruv Status: 781-695-0505