CA Department of Community Services and Development (CSD) / U.S. DOE
California Weatherization Assistance Program (WAP) is available to homeowners and renters in San Jose, CA.
The federally funded Weatherization Assistance Program provides free energy efficiency improvements to income-qualified California households, reducing heating and cooling costs. Eligible measures include insulation, air sealing, window weatherstripping, and HVAC tune-ups. Households at or below 60% of State Median Income qualify, and those receiving SSI or TANF are automatically eligible.
Typical WAP project average based on state data
Official program page checked live on 2026-06-22.
Data last verified 2026-04-03. How we verify our data.
In San Jose, CA, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in San Jose, CA 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 San Jose early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
A free program that lowers your energy bills by improving your home's energy efficiency (insulation, air sealing, heating system repair or replacement). It is income qualified and run through local agencies, and the California Department of Community Services and Development (CSD) administers it in California.
Steps to apply
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, contact local provider
Ask us. It is free, and a real person answers within a business day.
Email us about this programTypical value $3,000-$7,000 in free weatherization improvements.
California Weatherization Assistance Program (WAP) is open to homeowners and renters in San Jose, CA. It prioritizes low-income households. It serves seniors.
Apply directly with CA Department of Community Services and Development (CSD) / U.S. DOE using the official program link on this page or call 866-675-6623. 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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