Can You Build an ADU in Granada Hills? 2026 Rules, Fees and Permits

"Welcome to Granada Hills" monument sign at Veterans Triangle in Granada Hills, Los Angeles.

By David Petikyan · Property Provider Group | eXp Realty · Mission Hills, CA The 118 Freeway past Porter Ranch, Chatsworth and Granada Hills.Photo: Brew Books / Wikimedia Commons, CC BY-SA 2.0 Here’s a number every Granada Hills homeowner should know before building an ADU: 800. That’s how many square feet of backyard home California […]