California Weatherization Assistance Program (CalWAP)

California Department of Community Services and Development

Available Weatherization

About This Program

Federally-funded weatherization program for low-income households in Contra Costa County. Provides free energy efficiency improvements including insulation, air sealing, HVAC tune-ups, water heater replacements, and minor home repairs.

Average weatherization package based on typical home audit findings

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

Key Details

  • Free weatherization services up to $8,500
  • Income at or below 60% state median income
  • Includes insulation, air sealing, HVAC work
  • Available to homeowners and renters with landlord permission
  • Administered through Contra Costa County agencies

How to Apply

A grant-savvy contractor in Lafayette, 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 Lafayette 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, subject to funding availability

Questions about this program?

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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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