Plumbing in Hudson, Massachusetts

Hudson is served by the Hudson Light & Power Department, a municipal light plant — not Eversource or National Grid. That means Hudson homeowners are NOT eligible for Mass Save rebates, including the heat-pump water heater rebate. Don't count on the statewide ~$750 HPWH incentive here.

Instead, check what Hudson Light & Power offers directly. As a municipal utility, the department runs its own efficiency and electrification programs that sometimes include water-heater or heat-pump incentives for customers. Contact Hudson Light & Power before buying equipment to confirm current offerings. Given the age of the downtown mill-era housing, galvanized supply lines are worth checking with the town water department when planning a repipe.

Massachusetts requires a licensed plumber and a plumbing permit for most work beyond simple fixture swaps, and any gas piping needs a separately licensed gas fitter. In Hudson, permits and inspections run through the town Building Department and plumbing inspector. Properties near the Assabet River or wetlands may involve Conservation Commission review when work touches a septic system or buffer. Interior repiping in the older neighborhoods usually proceeds without added review. Licensed plumbers typically pull the permit and schedule the required inspection.

Plumbing costs in Hudson track the MetroWest / central-MA band — below inner Boston-metro rates but above western MA. A standard tank water-heater replacement typically runs $1,500–$2,800; a heat-pump water heater $2,600–$4,200 (no Mass Save rebate offsets it here); a tankless conversion $4,200–$6,700. Whole-home repiping of an older mill-era home with galvanized supply ranges $6,500–$13,000 depending on access. Cast-iron stack replacement and sewer-line work add cost where excavation is required.

Hudson is a Middlesex County town of 19,947 people across about 8,560 housing units, with a median construction age near 54 years. A former shoe-manufacturing town on the Assabet River, Hudson pairs older mill-era housing near its revived downtown with postwar and newer subdivisions across the surrounding neighborhoods.

That mixed mill-and-suburban stock shapes the plumbing here. Older downtown homes can carry galvanized supply and cast-iron stacks, while newer subdivisions run copper or PEX on town water. Common projects span water-heater replacement, drain and sewer clearing, fixture and supply-line swaps, repipes in the older neighborhoods, and rough-ins for the town's active remodeling.