Tankless Water Heater Installation Cost in Massachusetts
$1,550 – $5,050We estimate tankless water heater installation in Massachusetts at $1,550 to $5,050 for a whole-house tankless unit replacing a tank. The national estimate is $1,400 to $4,400. Massachusetts plumber pay is 47% above the national median, ranking 6 of 51.
| Part of the job | Low | High |
|---|---|---|
| Parts and materials (our assumption) | $1,000 | $3,000 |
| Labor hours (our assumption) | 5 | 10 |
| Billed labor rate per hour | $113 | $203 |
| Estimated total | $1,550 | $5,050 |
Our estimate, not a quote. Billed rate is the Massachusetts median wage from BLS (2025, $45.14 an hour) times 2.5 to 4.5 to cover payroll costs, overhead, travel and profit. How we estimate
What our assumptions are based on
| Item | Sourced figure | Basis | Source |
|---|---|---|---|
| Labor hours | 4 – 10 | 4 to 8 hours (This Old House); 6 to 10 hours (Fixr). Bob Vila says close to 3 hours; that figure is not in this range. | This Old House, Fixr |
What other publishers report
| Publisher | Low | High | Scope |
|---|---|---|---|
| This Old House | $1,200 | $3,500 | Equipment and labor. Page dated June 2026. |
| Fixr | $2,500 | $4,500 | National average range, installed. Page dated January 2025. |
| Bob Vila | $1,333 | $3,721 | Installed, citing Angi and HomeAdvisor. Page dated October 2023. |
Cities in Massachusetts
| Metro area | Median wage | Low | High |
|---|---|---|---|
| Boston | $46.52 | $1,600 | $5,100 |
Who can legally do this in Massachusetts
Massachusetts says plumbers who provide services exclusively within the scope of their licensed profession do not need Home Improvement Contractor registration.
Compared with neighboring states
| State | Median wage | Low | High |
|---|---|---|---|
| Connecticut | $37.16 | $1,450 | $4,650 |
| New Hampshire | $32.12 | $1,400 | $4,450 |
| New York | $37.26 | $1,450 | $4,700 |
| Rhode Island | $36.77 | $1,450 | $4,650 |
| Vermont | $29.89 | $1,350 | $4,350 |
Other plumber jobs in Massachusetts
- Toilet Replacement
- Faucet Replacement
- Drain Cleaning
- Garbage Disposal Replacement
- Water Heater Replacement
- Pipe Repair
- Whole-House Repipe
- Sewer Line Repair
Tankless Water Heater Installation cost in every state · Massachusetts home repair guide
Sources
General information, not professional advice. Conditions, codes and prices vary. Turn off power, gas or water before any work, and hire a licensed professional when in doubt. Cost figures are our estimates, not quotes.