Speed: AB 1332 (Pre-Approved Plans) is live—permits must be reviewed in 60 days . Real-world approval is hitting 21-30 days for standard plans. Deadline: Submit by Dec 24, 2025 , to beat the Jan 1, 2026 Title 24 Energy Code update (stricter solar/insulation rules). Cost: Late-2025 bids show detached ADUs averaging $300–$500/sq. ft. Garage conversions remain the value play at $80k–$130k . Zoning Shift: DTLA and Boyle Heights have officially switched to "Form-Based" zonin