Modern bathroom renovations in LA and San Diego average $20,000–$45,000 for mid-range projects, with labor accounting for 40–60% of costs. New 2025 Title 24 energy code (effective January 2026) requires enhanced ventilation for heat pumps and higher-efficiency fixtures, adding 5–10% to your project budget. Permits typically take 2–4 weeks in San Diego, 3–8 weeks in LA.