Contact Us
We’re a nonprofit here to help Napa and Sonoma County homeowners with their accessory dwelling unit questions.
Check the information below for your best contact – Resource Center staff and/or local Planning and Building staff are the best resource for up-to-date information about ADUs, your property, and what rules you may need to follow.
If your community is a Napa Sonoma ADU member:
- City of American Canyon
- City of Calistoga
- City of Napa
- City of Rohnert Park
- City of St. Helena
- City of Yountville
- County of Napa
Start by contacting the Napa Sonoma ADU Resource Center for expert advice on your ADU project.
Option 1: If you’re ready to talk about your specific project, schedule a consultation.
Option 2: Get in touch via email at info@napasonomaadu.org or using our contact form below.
Local Contacts:
If your jurisdiction is not a Napa Sonoma ADU member, contact them directly using the contact information below:
City of American Canyon
Brent Cooper, bcooper@cityofamericancanyon.org
Taresa Geilfuss, tgeilfuss@cityofamericancanyon.org
Tom Trimberger, ttrimberger@interwestgrp.com
William He, whe@cityofamericancanyon.org
Disclaimer: standards and process may vary. Consultation with the contact is recommended before starting any project.
City of Calistoga
Building Division: building@ci.calistoga.ca.us
Planning Division: planning&building@ci.calistoga.ca.us
Disclaimer: standards and process may vary. Consultation with the contact is recommended before starting any project.
City of Cloverdale
Rafael Miranda, rmiranda@ci.cloverdale.ca.us
Disclaimer: standards and process may vary. Consultation with the contact is recommended before starting any project.
City of Cotati
Cotati Community Development Department, 707-665-3635, planner@cotaticity.org
Disclaimer: standards and process may vary. Consultation with City staff is recommended before starting any project.
City of Healdsburg
Planning Division: Planning@healdsburg.gov
Building Division: Building@healdsburg.gov
Phone: 707-431-3348
City of Napa
Michael Walker, mwalker@cityofnapa.org
Michael Allen, mallen@cityofnapa.org
Ryder Dilley, rdilley@cityofnapa.org
Paul O’Neill, poneill@cityofnapa.org
Angela Alvarez-Cendejas, acendejas@cityofnapa.org
City of Rohnert Park
Susan Azevedo, sazevedo@rpcity.org
Jenna Garcia, jgarcia@rpcity.org
City of Sebastopol
John Jay, jjay@cityofsebastopol.org
Kari Svanstrom, ksvanstrom@cityofsebastopol.org
City of St. Helena
Maya DeRosa, mderosa@cityofsthelena.org
Aaron Hecock, AHecock@cityofsthelena.org
City of Windsor
Kim Jordan, kjordan@townofwindsor.com
Kim Voge, kvoge@townofwindsor.com
Kevin Locke, klocke@townofwindsor.com
Jennifer Sedna, jsedna@townofwindsor.com
County of Napa
Affordable ADU Program, Forgivable ADU Loans: https://www.countyofnapa.org/3424/Affordable-ADU-Program-Forgivable-Loan-O
Trevor Hawkes, trevor.hawkes@countyofnapa.org
Jennifer Palmer, jenifer.palmer@napacounty.org
County of Sonoma
Planning Department, planner@sonoma-county.org
Katrina Braehmer, Katrina.Braehmer@sonoma-county.org
