Contact Us

Have a question, feedback, or suggestion? We'd like to hear from you.

California ADU Co. is an educational resource, not a design or construction firm. We can't answer project-specific questions about your property, but we welcome general questions about our content, suggestions for topics to cover, and feedback on how we can make the site more useful.

Before you reach out

Check the FAQ

Many common questions are already answered there.

Read the ADU Guide

Our most comprehensive starting point for ADU basics.

Find your city's rules

City-specific pages may have the local info you need.

We typically respond within a few business days. For project-specific questions, we recommend contacting your local planning department or a qualified professional.

This page is for general educational purposes only. California ADU law, city implementation, and code requirements can change. Always verify project-specific requirements with the relevant planning department, building department, and qualified professionals.