California Weatherization Assistance Program (WAP)

California Department of Community Services and Development

Available Weatherization

About This Program

Federally funded program that reduces energy costs by improving home efficiency through insulation, air sealing, and minor heating/cooling repairs for income-qualified households in Contra Costa County.

Grant covers 100% of eligible weatherization improvements up to limit

Data last verified 2026-06-09. How we verify our data.

Key Details

  • Free home energy improvements up to $8,000
  • Includes insulation, air sealing, HVAC tune-ups
  • Income at or below 60% of state median required
  • Available to homeowners and renters
  • Administered through Contra Costa County Community Services

How to Apply

A grant-savvy contractor in Martinez, 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 Martinez early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Deadline: Rolling applications

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

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Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

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