King County Housing Authority (KCHA)
King County Housing Authority Weatherization Program is available to homeowners and renters in Seattle, WA.
The King County Housing Authority administers the Weatherization Assistance Program for homeowners and tenants outside Seattle city limits. Eligible households at or below 200% federal poverty level receive free air sealing, insulation, ventilation improvements, and minor repairs that enable energy-saving measures. The program serves single-family homes, mobile homes, and qualifying apartment buildings (50%+ income-eligible tenants) in King County outside Seattle.
Average weatherization package is estimated at $5,000-$12,000 in energy efficiency improvements at no cost to the homeowner.
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 programKing County Housing Authority Weatherization Program is open to homeowners and renters in Seattle, WA. It prioritizes low-income households.
Apply directly with King County Housing Authority (KCHA) using the official program link on this page or call 206-214-1240. 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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