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Energy Efficient Home Credit (45L) in Massachusetts 2026

Calculate your energy efficient home credit (45l) tax savings in Massachusetts. With Massachusetts's 5% top state tax rate, your combined savings are higher.

Massachusetts Tax Overview

State Income Tax
5%
flat
Sales Tax
6.25%
avg combined: 6.25%
Property Tax Rate
1.15%
Median Income
$96,505

Flat 5% plus 4% surtax over $1M. 12% on short-term gains. Estate tax ($2M exemption).

Massachusetts Income Tax Brackets (Single)

5%
$0 +
Your bracket
$5,000
Est. Total Savings
$5,000
Max Deduction
Tax Credit
Deduction Type
27.0%
Combined Tax Rate

Energy Efficient Home Credit (45L) Savings Calculator for Massachusetts

$
$

Federal Savings

$5,000

22% bracket

Massachusetts State

$0

5% rate

Total Savings

$5,000

27.0% combined

Tax credits reduce your tax bill dollar-for-dollar, regardless of your tax bracket.

Savings by Tax Bracket in Massachusetts

10%
$5,000
12%
$5,000
22%
$5,000
24%
$5,000
32%
$5,000
35%
$5,000
37%
$5,000

Includes 5% Massachusetts state tax on top of federal savings.

Eligibility Requirements

Builders or developers of new energy-efficient homes

  • 1$2,500 for ENERGY STAR certified homes
  • 2$5,000 for DOE Zero Energy Ready homes
  • 3Must meet prevailing wage requirements for full credit

Massachusetts residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 5%.

Common Mistakes to Avoid

  • !Not obtaining required certifications before claiming
  • !Missing prevailing wage requirements
  • !Failing to meet the 50% energy savings threshold
  • !Forgetting to claim the deduction on your Massachusetts state return (missing up to 5% additional savings)

Massachusetts Filing Tips

Plan for the 4% surtax if income approaches $1M. Hold investments over one year to avoid the 12% short-term rate. The low $2M estate tax exemption affects more families.

Required Tax Forms

Form 8908Form 3800

File these forms with your federal tax return to claim the energy efficient home credit (45l). Massachusetts may require additional state-specific forms.

Other Tax Deductions in Massachusetts

Mortgage Interest Deduction

Housing

~$4,295
est. savings

Property Tax Deduction

Housing

~$2,700
est. savings

Home Office Deduction

Housing

~$1,473
est. savings

Home Energy Tax Credit

Housing

~$1,800
est. savings

Residential Solar Tax Credit

Housing

~$7,500
est. savings

Military Moving Expenses

Housing

~$4,909
est. savings

PMI Premium Deduction

Housing

~$1,350
est. savings

Mortgage Points Deduction

Housing

~$2,455
est. savings

Energy Efficient Home Credit (45L) in Neighboring States

New Hampshire

No state income tax

~$2,500
-2,500 vs Massachusetts

Rhode Island

5.99% top rate (progressive)

~$2,500
-2,500 vs Massachusetts

Connecticut

6.99% top rate (progressive)

~$2,500
-2,500 vs Massachusetts

New York

10.9% top rate (progressive)

~$2,500
-2,500 vs Massachusetts

Vermont

8.75% top rate (progressive)

~$2,500
-2,500 vs Massachusetts

Tax Calculators for Massachusetts Cities

BostonWorcesterSpringfieldCambridgeLowellBrocktonQuincyNew BedfordLynnFall River

Calculate Your Full Tax Savings in Massachusetts

Use our free tax calculators to optimize your entire tax return for Massachusetts.

Income Tax CalculatorMassachusetts Income TaxFull Energy Efficient Home Credit (45L) Guide

Frequently Asked Questions

How much can I save with the Energy Efficient Home Credit (45L) in Massachusetts?

In Massachusetts, the energy efficient home credit (45l) can save you an estimated $5,000 per year on a $5,000 deduction. This includes $5,000 in federal tax savings and $0 in Massachusetts state tax savings at the 5% marginal rate. The national average savings is $2,500/year.

What is the Massachusetts state income tax rate?

Massachusetts has a flat income tax system with a top rate of 5%. Flat 5% plus 4% surtax over $1M. 12% on short-term gains. Estate tax ($2M exemption).

Who qualifies for the Energy Efficient Home Credit (45L) in Massachusetts?

Builders or developers of new energy-efficient homes. The eligibility requirements are the same whether you live in Massachusetts or another state, as this is a federal tax credit. However, your total savings will vary based on Massachusetts's 5% top state tax rate.

What tax forms do I need to claim the Energy Efficient Home Credit (45L) in Massachusetts?

To claim the energy efficient home credit (45l), you need to file Form 8908 and Form 3800 with your federal return. Massachusetts residents should also check if the state allows this deduction on their state return for additional savings of up to 5%. Filing status affects your deduction limits and tax bracket.

Is the Energy Efficient Home Credit (45L) better in Massachusetts than in states without income tax?

Yes, Massachusetts residents benefit more because the state's 5% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 27.0% means more savings per dollar deducted.

What is the standard deduction in Massachusetts for 2026?

Massachusetts's standard deduction is $0 for single filers and $0 for married filing jointly. Plan for the 4% surtax if income approaches $1M. Hold investments over one year to avoid the 12% short-term rate. The low $2M estate tax exemption affects more families.

Related Calculators

Mortgage Interest Deduction in Massachusetts

Avg savings: $3,500/year

Property Tax Deduction in Massachusetts

Avg savings: $2,200/year

Home Office Deduction in Massachusetts

Avg savings: $1,200/year

Home Energy Tax Credit in Massachusetts

Avg savings: $1,800/year

Residential Solar Tax Credit in Massachusetts

Avg savings: $7,500/year

Military Moving Expenses in Massachusetts

Avg savings: $4,000/year