SEFAIN Construction Group

ADU Construction

Detached guest houses, garage conversions, and junior ADUs designed for comfort, code compliance, and long-term property value.

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Service Overview

What ADU Construction includes

California ADU law changed what your backyard is worth. We handle feasibility, design coordination, city submittal, utility separation, and construction of detached ADUs, attached units, garage conversions, and JADUs. Most of our units are delivered turnkey — kitchen, bath, laundry, HVAC, and separate entry — with rental-ready finishes and full permit closeout.

60+

Projects Completed

15+

Years of Experience

5–8 mo

Avg. Timeline

99%

Client Satisfaction

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