Washington State Dept. of Commerce / Local Agencies
WA State Weatherization Assistance Program (WAP) is available to homeowners and renters in Seattle, WA.
The federally funded Weatherization Assistance Program provides free energy efficiency improvements to income-qualified households in Washington State through local agencies. Households at or below 200% of federal poverty level, 60% of state median income, or 80% AMI qualify. Services include comprehensive energy audits, insulation, air sealing, HVAC optimization, LED lighting, and smoke/CO detectors. Priority is given to seniors, disabled individuals, children under six, and those with asthma.
National average weatherization package exceeds $8,000 per household; Seattle-area projects may vary.
Official source site checked live on 2026-06-22.
Data last verified 2026-04-03. How we verify our data.
In Seattle, WA, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Seattle, WA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Seattle early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Rolling
Ask us. It is free, and a real person answers within a business day.
Email us about this programWA State Weatherization Assistance Program (WAP) is open to homeowners and renters in Seattle, WA. It prioritizes low-income households. It serves seniors.
Apply directly with Washington State Dept. of Commerce / Local Agencies using the official program link on this page or call (206) 684-0244. There is no middleman and no fee.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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