what county is holliston ma
Town of Holliston, Massachusetts Tax Assessors' Office The Town of Holliston Town of Holliston - Tax Assessors' Office Office is located in the Holliston Town Hall building in Holliston, Massachusetts. Town of Holliston is a locality in Middlesex County, Massachusetts. Unlike many other areas where property taxes are collected on a county level, Town of Holliston has its own tax assessor's office. If your property is located in a different Middlesex County locality, see that page for tax assessor's information.