- (510) 781-4931
- 24/7 Emergency Service
- CSLB #760585
- Hayward, California
Five Star Construction provides expert ADU construction and garage conversion services in Hayward, CA and surrounding Bay Area cities. With over 30 years of licensed experience, we help homeowners create functional living spaces that comply with California ADU regulations and local building codes.
Our ADU and garage conversion services include detached ADUs, attached ADUs, junior ADUs (JADUs), garage-to-living-space conversions, studio units, rental units, and in-law suites. We manage design, permits, construction, and final inspections.
We guide clients through every stage of the ADU process, from feasibility studies to project completion. Our team focuses on efficient construction, cost control, energy efficiency, and durable finishes to ensure long-term performance and return on investment.
As a licensed and insured contractor serving Hayward, Oakland, Fremont, and nearby communities, Five Star Construction is trusted for high-quality ADU construction and garage conversions. We deliver dependable solutions that increase property value and housing flexibility.
Serving Hayward & Surrounding Cities • Free Estimates Available