RESOURCES
Supporting you throughout your ADU project
Main Resources
ADU Guidebook
Our in-depth guide to building an ADU across Alameda County, from inspiration to move-in.
Exercises
Exercises to help identify your goals, talk to local staff, budget, design and rent your ADU.
local adu rules
A two-page overview of your local ADU rules, with details about size limits, parking, exemptions, and more.
Process At-
A-Glance
A two-page overview of the entire ADU process from start to finish, including important things to understand from the beginning.
FLOORPLANS
View a gallery of real-world ADUs built throughout California and learn what will fit your needs.
ADU EXPLAINER VIDEOS
Learn about the types, benefits and process to build an ADU.
calculator
Estimate the costs and potential income of your ADU project, all based on real local numbers.
GLOSSARY
A handy guide to some of the terms you’ll see when building an ADU.
wEBINAR
Learn about building an ADU in Alameda County.
CAN I BUILD TOOL
A tool to help you understand what type and size ADU you’re allowed to build on your property.
Additional Resources
American Institute of Architects
A directory of local designers.
Cal HFA ADU Grant Program ADU financing
Cal HFA ADU Grant Program ADU financing for low-income and moderate-income homeowners. Check to see if funding is available.
CA Depts. of Real Estate and Corporations
Tools for verifying mortgage broker licenses.
Alameda County Department of Environmental Health
For septic permits and information.
Casita Coalition
Case studies, guides and resources for small homes in California.
California Contractors’ State License Board
For information on finding a qualified contractor and verifying a contractor’s license.
A Guide to Residential Tenants’ and Landlords’ Rights and Responsibilities
This PDF guide is provided by the State of California as a primer for both landlord and tenants.
Alameda County Assessor’s Office
For finding APN, parcel and tax information.