Five Star Construction provides professional room addition and home expansion services in Hayward, CA and surrounding Bay Area cities. With over 30 years of licensed experience, we help homeowners add functional space while maintaining structural integrity, design consistency, and code compliance.
Our home expansion services include bedroom additions, bathroom additions, second-story additions, living room expansions, garage expansions, and full structural extensions. Each project is carefully planned to integrate seamlessly with your existing home layout and architecture.

From initial planning and permits to construction and final inspection, we manage every phase of your room addition project. Our team focuses on efficient timelines, high-quality materials, and minimizing disruption while delivering durable, long-lasting results.
As a licensed and insured contractor serving Hayward, Oakland, Fremont, and nearby communities, Five Star Construction is trusted for reliable home expansion solutions. We are committed to building additions that increase comfort, improve functionality, and enhance property value.
Serving Hayward & Surrounding Cities • Free Estimates Available