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Plumbing · Chilmark, MA

Plumbing in Chilmark, Massachusetts

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

30 contractors serving Chilmark.

Contractors serving Chilmark

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 Chilmark — what to know

Rebates & incentives

Chilmark is in Eversource electric territory, so homeowners qualify for Mass Save. The plumbing-relevant incentive is the heat-pump water heater rebate ($750 per unit, whatever the old tank burned), claimed after the free Mass Save Home Energy Assessment.

For year-round homes with full conditioned basements the rebate is a clean win. Seasonal cottages with unheated crawls or tight mechanical closets and salt-air corrosion concerns are often a poor fit. Lead service lines are not an issue because every property is on a well; lead-solder copper joints on pre-1986 work occasionally show up during a repipe.

Permits in Chilmark

Massachusetts requires a licensed plumber and a plumbing permit for water-heater swaps, repiping, drain and waste work, and rough-ins; propane piping needs a licensed gas fitter and a separate gas permit. There is no natural gas on Martha's Vineyard — every gas appliance runs on propane. The Building Department issues plumbing and gas permits. The Conservation Commission's reach is heavy because of coastal banks, ponds, and the Martha's Vineyard Commission's overlay; exterior excavation on most lots triggers wetlands review. Wells and Title 5 septic go through the Board of Health, with the MVC weighing in on larger projects.

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

Typical project cost

Chilmark pricing runs well above mainland Massachusetts because of ferry logistics, the limited up-island plumber pool, and seasonal demand from May to October. A tank water heater typically lands $2,200–$3,800 installed; a heat-pump water heater $3,000–$5,500 before the Mass Save rebate; a propane tankless $5,500–$9,500 with venting and propane-line sizing. Repiping a converted cottage runs $10,000–$22,000. Well-pump and pressure-tank work runs $1,800–$4,000. Add scheduling buffer for ferry-dependent material deliveries.

About Chilmark homes

Chilmark is an up-island town on Martha's Vineyard in Dukes County, with about 1,561 year-round residents in roughly 1,613 housing units — a housing count that exceeds year-round population because the town is heavily seasonal. Median home age is around 44. Housing runs from historic Menemsha fishing village and Chilmark Center, to architect-built contemporaries on Squibnocket and Lucy Vincent Beach roads, to mid-century cottages and farmhouses through the back roads.

Every property in Chilmark is on a private well and a Title 5 septic system. The salt air, the seasonal pattern, and ferry-only access for materials and labor define almost every plumbing decision here.

Common questions — Plumbing in Chilmark

Does Mass Save cover a heat-pump water heater in Chilmark?
Yes. Chilmark is Eversource territory, so a heat-pump water heater qualifies for the Mass Save rebate ($750 per unit, whatever the old tank burned) after the free Home Energy Assessment.
Is there natural gas on Martha's Vineyard?
No. The Vineyard has no natural-gas distribution; every gas appliance runs on propane. Propane tankless and tank water heaters are the standard.
Do I need a permit to replace my water heater in Chilmark?
Yes. Massachusetts requires a plumbing permit and a licensed plumber, pulled through the Chilmark Building Department. Propane units also need a licensed gas fitter and a separate gas permit.
Why are quotes higher up-island than off-island?
Ferry tickets and travel time for crews and materials, plus a smaller pool of up-island plumbers, push pricing up. Seasonal demand from May to October tightens scheduling further; off-season work is often where the better quotes land.
I'm building near a coastal bank — does the plumbing scope need MVC review?
Often yes for substantial projects. The Martha's Vineyard Commission reviews Districts of Critical Planning Concern and larger projects; routine plumbing falls under the Chilmark Conservation Commission's Wetlands Protection Act review, but anything tied to a new build or major addition will likely cross MVC desks too.

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