MHS Building Systems,    

Design & Build

MHS Building Systems Group is a pioneering modular architectural design and structural building framing firm, delivering innovative solutions since 2017. Our clientele is diverse, ranging from prefab developers to private investors, big national corporations, local collectivities, and governmental organizations. With multiple Design and Build studios located globally, our portfolio includes Residential, Commercial, and prefab modular structures. MHS has developed its own prefab building systems technology, accommodating structures from one-story prefab units to 3-4 story tall buildings. With vast experience in productive building, MHS has also acquired knowledge of new green building materials such as modular aluminum and wood structures. Clients receive personalized service from Tim Siahatgar, a senior architectural engineer (system designer), and the inventor of MHS building systems, with over 30 years of professional practice. Our certified design and build licensee ensure the successful completion of projects by managing the design team, licensee fabricator, and authorized contractors.


The mission of MHS Building Systems is to achieve architectural excellence by providing high-quality prefab designs that incorporate sustainable design principles and unique structural components. We aim to work closely with our clients and the community to understand their needs and build strong relationships. MHS encourages its clients to participate actively in the design and build process to ensure their satisfaction with the final product. With our patented MHS Building technology, we offer a turnkey solution for sustainable living, revolutionizing the prefabricated building industry. MHS structures are fully recyclable, re-locatable, and have a minimal residual impact on the environment. Our focus on modular green building structures and sustainable design principles is aimed at delivering a superior green lifestyle to our clients.


MHS Building Systems adopts a client-centered philosophy that focuses on maintaining a continuous relationship with clients throughout the design process. This approach ensures that the design solutions integrate the client's principles, values, and drivers. We also take into consideration the environment, context, and scale of each site, producing work that reflects the client's unique tastes and lifestyle. The company is committed to offering a green lifestyle by integrating design principles and renewable technologies into its projects, demonstrating its dedication to sustainability. MHS Building Systems aims to create optimal solutions that meet the needs of its clients while also preserving and protecting the environment.



MHS Building Systems offers a comprehensive range of services in architectural and structural engineering practices, covering all stages from design to fabrication setup. Our production company and prefab technology components allow us to select the appropriate structure for your building project. We have a keen interest in sustainable modular prefab structures and green building projects worldwide. MHS Building Systems is leading the way in prefabricated building technology with our patented MHS Building system, a prefab modular aluminum and wood building system. Our turnkey solutions are aimed at promoting sustainable living and are transforming the prefabricated building industry.


Prefabricated Structural Aluminum Framing Modules for Modern Construction

In the realm of modern construction, efficiency, quality, and versatility are paramount. MHS Structural Prefab Modules encapsulate these principles, offering a cutting-edge solution for a diverse array of architectural and construction projects. Crafted meticulously within our licensed factory using MHS Structural Aluminum Framing Systems, these modules epitomize superior quality and efficiency. Once crafted, they embark on a swift journey to job sites via flatbed trucks, ready for seamless installation.

Versatility and Customization

These modules are more than mere structural elements; they are the building blocks of innovation. Their adaptability knows no bounds, catering to an extensive spectrum of project requirements. Whether it's a backyard ADU, a sleek car showroom pavilion, or a multifunctional school classroom, our prefab units stand ready to accommodate. Equipped with framing envelope units, they can be assembled and installed within a single day, ensuring both speed and convenience. Moreover, our MHS prefab modules offer unparalleled flexibility in customization. Clients can choose from an array of standard sizes, each equipped with roof and floor components, allowing for seamless integration at the job site according to specific design preferences.

Streamlined Installation and Completion

Time is of the essence in the world of construction, and our prefab modules are engineered with efficiency in mind. The swift installation process ensures that projects can be completed within weeks rather than months, regardless of whether the structure is permanent or temporary. From design to execution, our prefab modules offer a rapid and efficient solution for diverse construction needs.

Enhancing Structural Integrity with Modular Modules Construction

The backbone of any building lies in its structural framework, commonly referred to as the resistance skeleton. This framework provides vital support, stability, and resistance against external forces such as gravity loads, wind loads, and seismic forces. In both residential and commercial buildings, a robust structural framework is essential for ensuring structural integrity and safety. Modular modules construction techniques play a pivotal role in enhancing the rigidity and structural integrity of buildings before finishing touches are applied.

Precision Engineering and Integrated Design

Modular modules construction involves prefabricating elements and accessories components in a controlled factory environment using advanced manufacturing and methodology techniques. This precision engineering ensures that each module is accurately constructed to meet stringent quality standards, reducing the likelihood of structural flaws or weaknesses. Additionally, MHS modular modules construction allows for the integration of structural elements directly into the prefabricated modules. This means that the structural framework, including load-bearing columns, and beams, is already in place when the modules are assembled on-site, enhancing stability and minimizing the need for additional reinforcements.

Seamless Integration and Versatility

Modular Housing Systems, MHS utilizing structural aluminum framing and interlocking connections between modules elements, ensuring a high rigid building envelope. These connections, combined with innovative joining methods such as bolted clamp connections enhance structural integrity. Moreover, modular modules construction assembly allows for the seamless integration of mechanical, electrical, and plumbing (MEP) systems within the building modules, reducing coordination issues and ensuring efficient utilization of space.


In summary, MHS Prefab Modules represent the pinnacle of modern construction technology, offering a customizable, efficient, and versatile solution for a wide range of architectural and construction projects. From rapid installation to enhanced structural integrity, these modules embody innovation and excellence, providing clients, designers, and builders with the tools they need to bring their visions to life. Whether it's a small ADU or a multi-story apartment complex, MHS Prefab Modules stand ready to revolutionize the way we build.


MHS Building Systems 
PO Box 53662, Irvine CA 92619, USA 

MHS Design Group

"Our design group operates through the collaboration of approximately 15 architects, structural engineers, planners, designers, and certified builders, under the leadership of the principal and five associate licensee partners. Each design team is led by a Senior Project Architect, and overall management is provided by Tim Siahatgar. Our offices are located in Irvine California, Beijing, and Dubai. We strive to establish long-lasting relationships with our clients."



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