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Plumbing · Andover, MA

Plumbing in Andover, Massachusetts

Compare contractors serving Andover, Essex County — call them directly, or send one request and let the ones who want the job come to you.

30 contractors serving Andover — including 1 based in town.

Contractors serving Andover

Claimed listings within 5 miles come first, then the rest by rating, then distance. Google ratings as of October 2026. How we list and rank contractors

Plumbing in Andover — what to know

Rebates & incentives

Andover is in National Grid territory, so homeowners qualify for the full Mass Save program. The plumbing-relevant rebate is for heat-pump water heaters: as of recent rebate cycles, replacing an electric tank with an HPWH has typically returned around $750, with a free Mass Save Home Energy Assessment as the unlock.

In Andover's historic center, the lead and galvanized service-line angle is worth checking, though it's less widespread than in the inner-ring mill cities. Some Massachusetts water departments run lead service-line replacement programs, so homeowners with original supply lines should have a plumber identify the material and ask the Andover water department before paying out of pocket.

Permits in Andover

Massachusetts requires a licensed plumber and a plumbing permit for water heaters, repiping, drain and sewer lines, and rough-ins, filed through the Andover building/inspections department. Gas work needs a separately licensed gas fitter and a gas permit. Outlying homes on private wells and septic have their own pressure-system and waste-line considerations, with septic changes involving the Board of Health. Historic homes near the town center may need approval for exterior changes. Rough and final inspections apply.

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

Typical project cost

Andover sits in the Merrimack Valley / eastern-MA cost band, on the higher side given larger homes and an affluent market. A standard tank water heater typically runs $1,900–$3,400 installed; a heat-pump water heater $2,700–$4,800 before the Mass Save rebate; a tankless gas unit $4,500–$7,500. Larger homes with multiple baths and high demand sometimes run two units or a higher-capacity tankless. Well homes add cost for pressure tanks, pumps, and occasional treatment equipment.

About Andover homes

Andover is an affluent Essex County town in the Merrimack Valley, about 36,389 residents across roughly 13,889 housing units. The median home is around 54 years old, blending a historic town center and older homes near Phillips Academy with large bands of mid-century and later subdivisions and some sizable newer homes on wooded lots toward Boxford and North Andover.

For plumbing, the newer and larger homes often have copper or PEX and multiple bathrooms driving higher fixture counts, while the older center carries aging supply lines and cast-iron drains. A share of outlying Andover homes sit on private wells with their own pressure tanks and pumps.

Common questions — Plumbing in Andover

Does Mass Save cover a heat-pump water heater in Andover?
Yes. Andover is National Grid territory, so the Mass Save heat-pump water heater rebate applies — typically around $750 in recent cycles, unlocked by a free Home Energy Assessment.
My Andover home is on a private well. How does that affect plumbing?
Well homes have a pressure tank, pump, and sometimes treatment equipment a licensed plumber services. Water-heater and fixture work is similar to town-water homes, but pressure and water-quality issues are well-specific.
My large Andover home has several bathrooms. Tankless or two tanks?
It depends on peak demand. A high-capacity tankless or a pair of tanks can serve a multi-bath home. A plumber sizes the system to your fixture count, though note the Mass Save rebate applies to heat-pump electric units, not tankless gas.
Do I need a permit to replace my water heater in Andover?
Yes. It requires a plumbing permit and a licensed plumber through the Andover building department; a gas unit also needs a licensed gas fitter and gas permit. Reputable plumbers pull the permits and schedule inspections.
Could my older home near Andover center have a lead service line?
Possibly for the oldest homes. Have a plumber identify the service-line material, and check with the Andover water department about any lead service-line replacement program before paying to replace it yourself.

Plumbing guides for Massachusetts homeowners

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