Plumbing in Holliston, Massachusetts

Holliston is in Eversource territory, so homeowners qualify for Mass Save. The plumbing-relevant rebate is for heat-pump water heaters: as of recent rebate cycles, swapping an electric tank for an HPWH has typically returned around $750. A free Mass Save Home Energy Assessment is the usual unlock and can pair with subsidized insulation work in older homes.

For homes on town water, the galvanized service-line angle matters in Holliston's older center. Some Massachusetts water departments run lead service-line replacement programs, so homeowners with original supply lines should check with the town water division. Well-served homes have no municipal service line but can still carry old galvanized interior supply worth replacing during a repipe.

Massachusetts requires a licensed plumber and a plumbing permit for most work beyond a simple fixture swap, with gas piping handled by a separately licensed gas fitter under its own permit. In Holliston, plumbing and gas permits run through the town building department and inspectors, who schedule rough and final inspections. Work touching a private well, septic system, or wetland near the Bogastow Brook corridor can trigger Conservation Commission or Board of Health review. Licensed plumbers typically pull the permit as part of the job.

A plumbing or gas permit in Holliston is filed with the town’s plumbing and gas inspector; see the Holliston Building Department’s contact, portal and who pulls the permit on permits.llc.

Holliston plumbing pricing tracks MetroWest — above central MA, a step below Boston metro. A standard tank water-heater replacement typically runs $1,700–$3,000; a heat-pump water heater $2,800–$4,500 before rebate; a tankless conversion $4,500–$7,000. Well-system work — pump or pressure-tank replacement — adds $1,500–$4,000. Repiping an older center-of-town home where galvanized supply has corroded ranges $6,000–$14,000 depending on access and fixture count.

Holliston is a Middlesex County MetroWest town of 14,902 residents across about 5,697 housing units, with a median home age near 60 years. It's a largely single-family town: a historic center near Washington Street and the rail trail, surrounded by midcentury and later subdivisions of colonials, capes, and ranches toward the Medway, Ashland, and Sherborn lines.

That mix shapes plumbing here. Older center homes can carry galvanized supply and cast-iron drains, while a significant share of homes sit on private wells with pumps and pressure tanks rather than full town water. Common jobs include water-heater replacement, well-equipment service, drain clearing, fixture and supply-line work, and partial repipes in the older homes.