Building Type

     – Cabins

     – Bungalows

     – Foldables

     – Container Homes

     – Hotel / Motel

     – Villas

     – Prefab Homes

     – Tiny homes

     – Town Homes

     – Light Weight Steel

Products & Accessories

Experience the Future of Home Expansion with MMS

With over 22 years of expertise in the US home building industry and a strong foundation in modern method construction systems, MMS brings you the ultimate solution in home expansion – Accessory Dwelling Units (ADUs). Our ADUs are designed to seamlessly integrate with your property, offering an innovative, cost-effective, and efficient way to enhance your living space.

Why Choose a MMS ADU?

  • Quality and Durability: Built using our advanced light gauge steel frame system, our ADUs are stronger and more durable than traditional timber frames. They are designed to withstand extreme weather conditions, ensuring a long-lasting addition to your home.

  • Cost-Effective Construction: Leveraging the strength of the Chinese building materials supply chain, we offer a construction solution that saves you up to 50% on materials, 40% on time, and 30% on labor costs compared to traditional building methods.

  • Customizable Designs: Whether you need an extra bedroom, a home office, or a rental unit, our ADUs are fully customizable to meet your specific needs. Our experienced team works closely with you to create a space that blends perfectly with your existing home architecture.

  • Eco-Friendly and Energy Efficient: Our ADUs are not only built faster but also offer increased energy efficiency. This means lower utility bills and a smaller carbon footprint, aligning with modern sustainable living standards.

  • Increased Property Value: Adding an ADU is a smart investment. It increases the overall value of your property and offers potential rental income, making it an attractive option for future buyers.



Every Cover is tailor-made to how you use your space and where you live—featuring floor-to-ceiling windows, precision fabrication, and beautiful built-ins. And with complete upfront predictability on cost and timelines, we’ve made the experience of homebuilding delightful and effortless.