The Definitive 2025 Guide to Costs, Permits, and Profits
Los Angeles remains the most active ADU market in California. In 2025, the city has expanded its Approved Standard Plan Program, allowing homeowners to choose from pre-approved designs to cut permit review times down from months to just weeks. With new state laws, building a "Granny Flat" or rental unit in your backyard has never been more accessible.
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Get a Free ADU Quote Check ADU Loan EligibilityRecent 2025 updates now allow for larger ADUs on smaller lots in high-density areas like Silver Lake, Echo Park, and North Hollywood. To qualify for the fastest track, your unit must meet specific 2025 "green building" codes, which our recommended builders handle automatically.