California Weatherization Assistance Program (WAP)

California Office of Energy Services / DOE

Available Weatherization

About This Program

Federal weatherization program administered by California to reduce energy costs for low-income households. Services include insulation, air sealing, HVAC repair/replacement, and minor home repairs related to energy efficiency.

Average weatherization package value based on home energy audit

Official program page checked live on 2026-06-17.

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

Key Details

  • Free weatherization services for low-income households
  • Includes insulation, air sealing, HVAC improvements
  • Income at or below 60% of state median income
  • Available to homeowners and renters
  • No-cost energy audit and installation

How to Apply

Get free help applying Visit Official Program Page Track this program

(916) 376-8200

A grant-savvy contractor in Paradise, 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 Paradise 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.

Your application paperwork

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

  1. Find the local weatherization agency that serves your county (use the official page above, which lists providers, or call the number there).
  2. Apply through that local agency (some areas also offer an online application).
  3. The agency checks your household income eligibility.
  4. They do a home energy audit, then install the improvements at no cost to you.
Get the official form

Documents you will likely need

  • Proof of household income for everyone in the home (or proof you get SSI, LIHEAP, or other qualifying assistance).
  • Proof you own or rent the home.
  • A recent utility bill for the home.
  • Photo ID.
Download this checklist (PDF)

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, subject to funding availability

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