California Weatherization Assistance Program (WAP)

California Department of Community Services and Development

Available Weatherization

About This Program

State-funded weatherization program administered locally through RCEA for Humboldt County residents. Provides comprehensive energy efficiency improvements at no cost to qualifying low-income households, with priority for seniors and disabled residents.

Comprehensive weatherization package valued at average $6,500 per home

Verified against California Department of Community Services and Development's official page on 2026-06-17.

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

Key Details

  • Free comprehensive weatherization services
  • Income at or below 80% AMI required
  • Priority for seniors, disabled, families with children
  • Includes insulation, HVAC, water heater upgrades
  • Administered locally by RCEA

How to Apply

Get free help applying Visit Official Program Page Track this program

(916) 376-8100

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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: Ongoing, priority for elderly and disabled

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