Sonoma County CDC Weatherization Assistance

Sonoma County Community Development Commission

Available Weatherization

About This Program

Sonoma County CDC Weatherization Assistance is available to homeowners and renters in Cotati, CA.

Federally funded weatherization program for low-income Cotati residents. Provides free energy audits and weatherization improvements including insulation, air sealing, furnace repair/replacement, and health and safety repairs.

Free weatherization services provided at no cost to qualifying households

Official source site checked live on 2026-06-22.

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

In Cotati, CA, you can combine this program with other local help to cut your cost:

Key Details

  • Free weatherization for income-qualified households
  • Includes insulation, air sealing, HVAC
  • Free energy audit included
  • Available to homeowners and renters
  • Administered by Sonoma County CDC

How to Apply

Get free help applying Visit Official Program Page Track this program

(707) 565-7500

A grant-savvy contractor in Cotati, 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 Cotati 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

Documents you will likely need

  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • Household income proof (recent pay stubs, last year's tax return, or benefit award letters for everyone in the home).
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
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 enrollment

Questions about this program?

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

Email us about this program

Frequently asked questions

How much can Sonoma County CDC Weatherization Assistance provide in Cotati, CA?

Free weatherization up to $10,000.

Who qualifies for Sonoma County CDC Weatherization Assistance in Cotati?

Sonoma County CDC Weatherization Assistance is open to homeowners and renters in Cotati, CA. It prioritizes low-income households.

How do I apply for Sonoma County CDC Weatherization Assistance in Cotati, CA?

Apply directly with Sonoma County Community Development Commission using the official program link on this page or call (707) 565-7500. There is no middleman and no fee.

Need a Contractor for This Grant?

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

Get matched with a pro, free Browse Cotati, CA contractors

Find More Programs in Cotati, CA

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

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