In Los Angeles, a typical ADU garage conversion in 2026 costs about $190k–$260k, with detached new ADUs often $230k–$350k. Updated ADU laws and pre-approved plans aim for roughly 30–60 day approvals, especially under AB 1332 and LA County’s August 2025 ordinance, making backyard units faster and more predictable for homeowners.

LA ADU garage conversion guide 2025. New 60-day permit rule, $120k–$160k costs, step-by-step timeline. LADBS, zoning, rent control exemptions explained.