3 Best ADU Builders in Sherman Oaks, California

Verified ADU contractors and builders in Sherman Oaks, CA

Frequently Asked Questions — ADU Builders in Sherman Oaks

How much does it cost to hire an ADU builder in Sherman Oaks?

ADU construction costs in Sherman Oaks, California vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Sherman Oaks to get accurate quotes for your specific project.

How long does it take to build an ADU in Sherman Oaks?

In Sherman Oaks, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on California local regulations. Prefab and modular ADUs often have faster timelines than site-built units.

Do I need a permit to build an ADU in Sherman Oaks?

Yes, a building permit is required for ADU construction in Sherman Oaks, California. Your ADU builder will typically handle the permit application as part of their service. California has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.

What types of ADUs can be built in Sherman Oaks?

Common ADU types in Sherman Oaks include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Sherman Oaks ADU builder can advise on what's allowed on your specific parcel.