ADU Timeline Estimator
How long will your ADU take? Use our estimator to get a personalized timeline based on your project type, size, and location in Southern California.
Typical ADU Timelines in Southern California
| Project Type | Typical Timeline | Vision ADU Average |
|---|---|---|
| Garage Conversion ADU | 4–6 months | 4 months |
| New Construction ADU | 6–12 months | 6 months |
| Junior ADU (JADU) | 3–5 months | 3–4 months |
What Affects Your ADU Timeline?
- City/jurisdiction: Anaheim, LA County, and most IE cities are faster (4–6 weeks plan check). Irvine, Beverly Hills, and Santa Monica are slower (8–12 weeks).
- Project complexity: Standard garage conversions are faster; custom new construction with complex grading takes longer.
- HOA approval: If your property is in an HOA, add 4–8 weeks for HOA review before city permits.
- Utility connections: New construction requiring new electrical panels or sewer laterals can add 2–4 weeks.
Get a personalized timeline estimate
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