How much does it cost to replace a water heater in Boston, MA?
Replacing a standard tank water heater in Boston, MA typically runs $1,400–$2,800 installed, including the new unit, labor, permits, and haul-away of the old tank. A like-for-like swap (same size, same fuel, same spot) lands at the low end; a bigger tank, a fuel switch, or a relocation pushes it up. Tankless installs run $2,800–$5,500. Any quote far below $1,400 usually excludes the permit or the expansion tank — ask for the itemized version.
Likely causes
- Age — Most tank heaters last 8–12 years. Past 10, replacement beats repair almost every time.
- Tank leak or rust — Water at the base or rusty hot water means the tank itself is failing — not repairable.
- No hot water — A dead heating element or burner is a repair; on an old unit it's the trigger to replace instead.
What you can check yourself
- Read the label: the manufacture date and gallon size are printed on the tank — that's what sizes the replacement.
- Measure the space and note the fuel type (gas or electric) before getting quotes; both change the price.
- Ask each plumber whether the quote includes the permit, expansion tank, and haul-away — the three classic exclusions.
Typical cost
Typical in Boston, MA: standard tank replacement $1,400–$2,800 installed; tankless $2,800–$5,500. Federal and utility rebates may apply — ask the installer to itemize them.
When to call a pro
Water pooling at the base, a rotten-egg or gas smell, or no hot water at all in winter — book the replacement now; a failed tank can flood the space it sits in.
Plumber pros in Boston, MA
- Plumbing Prime · 60 State St Ste 700, Boston, MA · (857) 366-4230
- Beacon Hill Plumbing & Heating · 56 Myrtle St, Boston, MA · 6177233296
- 24 HR Emergency Plumber Boston · 98 N Washington St #332, Boston, MA · (617) 683-1871
- Best Plumbers club · service area, Boston, MA · (877) 910-5119
- Primetime Boston Plumbers · 127 Tremont St, Boston, MA · +16179368955
- Kross Plumbing · 1 Washington Mall Ste 1083, Boston, MA · 18573995033
- T Flow Plumbing Repair · 607 Boylston St, Boston, MA · +16178181229
- Next Step Removal & Installs · 457 Cambridge St, Cambridge, MA · +16176378387
Get free quotes from Boston, MA pros →
Data by Servik — verified local pros from official license records and public sources. Cost figures are typical ranges, not quotes; a pro's written estimate is the real number.