California Low-Income Weatherization Program (LIWP)

California Department of Community Services & Development

Available Weatherization

About This Program

Cap-and-Trade funded program providing energy efficiency upgrades and solar PV systems to low-income households in disadvantaged communities. Services include weatherization, attic insulation, mini-split heat pumps, solar panels, and water-efficient measures at no cost to residents.

Package value varies by home needs; solar component adds significant value

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

Key Details

  • Free weatherization plus solar for low-income homes
  • Income at or below 80% AMI required
  • Priority for disadvantaged communities
  • Includes solar panels, insulation, HVAC
  • No cost to homeowner or tenant

How to Apply

A grant-savvy contractor in Monterey, 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 Monterey 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?

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