$LevyIO

Energy Efficient Home Credit (45L) in Washington 2026

Calculate your energy efficient home credit (45l) tax savings in Washington. Washington has no state income tax, so savings come from the federal level.

Washington Tax Overview

State Income Tax
None
none
Sales Tax
6.5%
avg combined: 9.29%
Property Tax Rate
0.87%
Median Income
$82,228

No wage income tax. 7% capital gains tax over $270K. Very high combined sales tax (9.29%). Estate tax ($2.19M).

$5,000
Est. Total Savings
$5,000
Max Deduction
Tax Credit
Deduction Type
22.0%
Combined Tax Rate

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

$
$

Federal Savings

$5,000

22% bracket

Washington State

$0

0% rate

Total Savings

$5,000

22.0% combined

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

Savings by Tax Bracket in Washington

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

Washington has no state income tax — savings are from federal taxes only.

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

Common Mistakes to Avoid

  • !Not obtaining required certifications before claiming
  • !Missing prevailing wage requirements
  • !Failing to meet the 50% energy savings threshold

Washington Filing Tips

No wage income tax is a major benefit. Capital gains tax only applies above $270K and excludes real estate and retirement accounts. High sales taxes add up. Compare to Oregon (no sales tax).

Required Tax Forms

Form 8908Form 3800

File these forms with your federal tax return to claim the energy efficient home credit (45l).

Other Tax Deductions in Washington

Mortgage Interest Deduction

Housing

~$3,500
est. savings

Property Tax Deduction

Housing

~$2,200
est. savings

Home Office Deduction

Housing

~$1,200
est. savings

Home Energy Tax Credit

Housing

~$1,800
est. savings

Residential Solar Tax Credit

Housing

~$7,500
est. savings

Military Moving Expenses

Housing

~$4,000
est. savings

PMI Premium Deduction

Housing

~$1,100
est. savings

Mortgage Points Deduction

Housing

~$2,000
est. savings

Energy Efficient Home Credit (45L) in Neighboring States

Oregon

9.9% top rate (progressive)

~$2,500
-2,500 vs Washington

Idaho

5.8% top rate (flat)

~$2,500
-2,500 vs Washington

Tax Calculators for Washington Cities

SeattleSpokaneTacomaVancouverBellevueKentEverettRentonSpokane ValleyFederal Way

Calculate Your Full Tax Savings in Washington

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

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

Frequently Asked Questions

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

In Washington, 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. The national average savings is $2,500/year.

What is the Washington state income tax rate?

Washington has no state income tax, which means the energy efficient home credit (45l) only provides federal tax savings for Washington residents. No wage income tax. 7% capital gains tax over $270K. Very high combined sales tax (9.29%). Estate tax ($2.19M).

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

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

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

To claim the energy efficient home credit (45l), you need to file Form 8908 and Form 3800 with your federal return. Filing status affects your deduction limits and tax bracket.

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

Since Washington has no state income tax, the energy efficient home credit (45l) only reduces your federal tax bill. Residents in states with income tax get additional state-level savings. However, Washington residents often benefit from lower overall tax burden.

What is the standard deduction in Washington for 2026?

Washington has no state income tax, so there is no state standard deduction. The federal standard deduction for 2026 is $14,600 for single filers and $29,200 for married filing jointly.

Related Calculators

Mortgage Interest Deduction in Washington

Avg savings: $3,500/year

Property Tax Deduction in Washington

Avg savings: $2,200/year

Home Office Deduction in Washington

Avg savings: $1,200/year

Home Energy Tax Credit in Washington

Avg savings: $1,800/year

Residential Solar Tax Credit in Washington

Avg savings: $7,500/year

Military Moving Expenses in Washington

Avg savings: $4,000/year