3 Best ADU Builders in Santa Fe, New Mexico

Verified ADU contractors and builders in Santa Fe, NM

Frequently Asked Questions — ADU Builders in Santa Fe

How much does it cost to hire an ADU builder in Santa Fe?

ADU construction costs in Santa Fe, New Mexico 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 Santa Fe to get accurate quotes for your specific project.

How long does it take to build an ADU in Santa Fe?

In Santa Fe, 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 New Mexico local regulations. Prefab and modular ADUs often have faster timelines than site-built units.

Do I need a permit to build an ADU in Santa Fe?

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

What types of ADUs can be built in Santa Fe?

Common ADU types in Santa Fe 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 Santa Fe ADU builder can advise on what's allowed on your specific parcel.