SAMI & SONS CONSTRUCTION
SAN JOSE, CA
High Quality, Affordable
Your Trusted Room Addition Contractor in the Bay Area
Custom ADU Designs and Builds Tailored to Your Needs
Why Us?
• Room Addition
• Second Story Addition
• Garage Conversion
• Bump-Out Addition
• Sunroom Addition
• In-Law Suite
• Professional Service
• Licensed & Insured
• Family Owned
High Quality, Affordable
Your Trusted Room Addition Contractor in the Bay Area
Custom ADU Designs and Builds Tailored to Your Needs
Free Room Addition Quote
Why Us?
• Room Addition
• Second Story Addition
• Garage Conversion
• Bump-Out Addition
• Sunroom Addition
• In-Law Suite
• Professional Service
• Licensed & Insured
• Family Owned
Room Addition
Expand your living space with a custom room addition in California or the Bay Area. We design and build seamless home extensions that add square footage, comfort, and long-term value. Whether you need an extra bedroom, home office, or family room, we take care of the design, permits, construction, and compliance—making the entire process simple and stress-free.
Why Us?
At Sami & Sons Construction, we don’t just build ADUs – we help you maximize your property’s value and potential. Whether you're looking for a detached ADU, attached ADU, or home addition, our expert team ensures a seamless process from design to construction.
With our knowledge of ADU permits, costs, and regulations in California, we make building an Accessory Dwelling Unit (ADU) stress-free and rewarding. Unlock your property’s potential with us!
Rated 4.8 On Google
FAQ
Can I turn my garage into an ADU (Accessory Dwelling Unit)?
Absolutely. Garage conversions are one of the most popular ways to build an ADU in San Jose. It can serve as a rental unit, guest house, or private living space. We specialize in converting garages into fully functional ADUs.
How much does a garage conversion cost in San Jose?
On average, a garage conversion in San Jose can cost between $30,000 and $80,000, depending on the size of the garage, materials used, and whether plumbing, electrical, or permits are required. We offer free estimates to give you a more accurate number based on your specific project.
Do I need a permit to convert my garage into a living space?
Yes, permits are typically required in California for garage conversions to ensure compliance with zoning and building codes. Don’t worry — our team handles the entire permitting process for you.
How long does a garage conversion take?
Most garage conversions take 6–10 weeks from design to completion, depending on the complexity of the project and how quickly permits are approved. We work efficiently to minimize disruptions.
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