ADU Permits Explained: What You Need to Know

Are you building an Accessory Dwelling Unit (ADU)? Before you break ground, there’s one step you cannot skip: ADU permits. Whether you’re adding a backyard cottage, converting a garage, or placing a prefab unit, getting the right permits is the key to making your project legal, safe, and fully approved. In this video, I’ll walk you through the entire ADU permit process—from what permits you need and where to apply, to how long it really takes and what common mistakes to avoid. We’ll also talk about what happens if you build an unpermitted ADU. This video is a must-watch for homeowners, buyers, or anyone planning an ADU build the right way. 👉 *Here’s what you’ll learn in this video:* 00:00 What an ADU permit is and why it matters 01:34 Where to apply for ADU permits 02:32 Types of Permits you need to build an ADU 03:21 How to gather your permit package and documents 04:04 Estimated ADU permit timelines and approval delays 05:10 Common ADU permit issues so you can avoid them 06:10 How much ADU permits cost—and how to save money 07:19 What happens if you build without a permit Whether you're a homeowner planning your first accessory dwelling unit or an investor adding a rental ADU, this video gives you the essentials to start your project right. === RESOURCES MENTIONED IN THIS VIDEO === https://reerin.com/adu-permits-zoning https://ahcd.assembly.ca.gov/system/f... === ABOUT ME === Hi, I’m Erin! I'm a real estate agent passionate about affordable and alternative housing solutions. I create videos about ADUs, tiny homes, and affordable housing options for homeowners and investors who want to build an ADU on a property. I also create educational content for real estate agents who want to understand ADUs better and help their clients when buying a house with an ADU or selling a house with an ADU. === USEFUL LINKS === 🔗 BLOG: ReErin.com 🔗 ALL MY LINKS: https://linktr.ee/ReErin 🔗 SUBSCRIBE TO THE NEWSLETTER https://reerin-com.ck.page/c134bd7dc0 *Affiliate Disclosure:* Some links may be affiliate links. If you use them, we may earn a small commission at no extra cost to you — it helps support the channel. *Disclaimer:* This information is for entertainment purposes only and does not constitute legal, financial, or real estate advice. Always consult with a licensed professional for your specific needs as the industry is constantly changing. #AccessoryDwellingUnit #ADU #GrannyFlat #InLawSuite #TinyHome #BackyardHome