Modular Engineering and Design Services

PSE Consulting Engineers brings over 25 years of specialized expertise to modular construction engineering projects across the United States. Our modular home engineers transform factory-built components into code-compliant structures—whether you envision a compact shipping container ADU or an expansive multi-story commercial building. We handle the unique technical challenges of modular engineering, from transportation requirements to module connections and site assembly specifications, delivering stamped plans that bring your off-site manufactured project to life.
Why Choose PSE for Modular Construction Engineering
- ►Nationwide Expertise
Licensed in all 50 states, we engineer modular projects anywhere in North America with a full understanding of regional building codes and climate requirements. - ►Rare Expertise
Most engineering programs don’t teach modular or shipping container design, causing many engineers to decline these projects. PSE recognized this gap decades ago and built specialized expertise that sets us apart. - ►Unlimited Design Flexibility
We engineer structures of any size or configuration, from single modules to complex multi-story buildings, with no limitations on customization. Like building with Legos, you can create any design and easily expand later. - ►Problem-Solving Approach
When building departments raise concerns or requirements seem challenging, we find solutions rather than declining projects. No project is too complex for our team.
- ►Decades of Specialized Experience
Our team has successfully engineered hundreds of modular structures over 10-20 years of specialization, with experienced engineers who’ve been with PSE for 10-15+ years maintaining institutional knowledge. - ►Material Versatility
Engineering expertise across all modular materials—wood, hot rolled steel, cold form steel, light gauge steel, shipping containers, and structural insulated panels (SIPs). - ►Integrated Services
Optional modular home design services mean seamless coordination between architectural vision and structural engineering—often at significantly lower cost than hiring separate firms.
Modular Structures We Engineer
PSE’s modular home engineers have the expertise to work with virtually any factory-built structure type and material. Whether residential or commercial, small or large-scale, we provide the structural engineering to bring your project to reality.

Residential Applications:
- Single-family modular homes
- Multi-family housing developments
- Shipping container homes
- Accessory Dwelling Units (ADUs)
- Guest houses and in-law suites
- Vacation homes and cabins
Commercial Applications:
- Hotels and apartments (including multi-story shipping container hotels)
- Office buildings and workspaces
- Retail locations and coffee shops
- Schools and educational facilities
- Healthcare facilities
- Industrial structures
Materials We Engineer:
- Wood frame construction
- Hot-rolled steel
- Cold-formed steel
- Light-gauge steel
- Shipping containers (20-foot and 40-foot)
- Structural insulated panels (SIPs)
- Hybrid material combinations
No matter your vision or material preference, our structural engineers analyze transportation requirements, connection details, site assembly specifications, and local code compliance to deliver safe, permit-ready plans.
Our Modular Home Design Process
Every modular engineering project follows a collaborative process designed to transform your concept into buildable reality:
Initial Consultation:
We discuss your vision, requirements, site location, preferred materials, and any existing plans or concepts you’ve developed.
Material & System Selection:
Our team helps you select the optimal materials and modular system for your specific application, whether that’s shipping containers, traditional modular panels, or other factory-built components.
Design Development
If needed, our subsidiary Creative Touch Home Design creates architectural plans that work seamlessly with modular construction requirements. We can also engineer based on your existing architectural drawings.
Structural Engineering
Our modular home engineers perform comprehensive calculations for transportation loads, site assembly requirements, foundation design, and all structural components to meet local building codes.
Connection Details
We develop detailed specifications for module connections—one of the most critical aspects of modular construction that many engineers overlook.
Transportation Planning
Engineering considerations for safely transporting modules from factory to site, including reinforcement specifications.
Quality Review
Multiple engineers review calculations and plans, often including our president with 30+ years of experience, to ensure accuracy and code compliance.
Permit-Ready Delivery
Receive complete stamped structural plans ready for submission to your local building department.
Additional Services
- Custom Home Design: Through our subsidiary Creative Touch Home Design, we provide complete architectural design services, including space planning, 3D renderings, and full plan sets—all coordinated seamlessly with our modular engineering team.
- Mechanical, Electrical, and Plumbing (MEP) Design: Complete MEP design services to complement your structural plans for a fully coordinated set of construction documents.
- Foundation Engineering: Specialized foundation design for modular structures, accounting for concentrated loads and connection requirements unique to factory-built construction.
- Modular Expansions & Additions: Structural engineering for adding onto existing modular structures. Like building blocks, we design additions that seamlessly integrate with your original modules.

Frequently Asked Questions About Modular Engineering and Design
Modular engineering involves designing and analyzing structures built at an off-site factory location, then transported and assembled at the final construction site. A modular home engineer creates structural calculations and drawings that account for unique requirements such as transportation loads, module connections, and site assembly specifications. This specialized engineering ensures factory-built structures are safe, code-compliant, and can withstand both transportation and long-term use.
Modular design focuses on creating the architectural plans—room layouts, aesthetics, space planning, and overall functionality of your modular structure. Modular engineering ensures that the design is structurally sound by calculating loads, sizing structural members, designing connection details, and verifying code compliance. At PSE, we offer both services in-house, providing seamless coordination that saves time and money.
Modular construction accelerates your timeline because factory production happens while your site is being prepared, cutting months off traditional schedules. Building indoors means no weather delays, and your materials stay protected from moisture throughout construction. You also get better quality control—inspectors check your structure continuously during manufacturing instead of waiting until major phases are complete. This precise factory assembly creates tighter seals that reduce energy loss and lower your utility bills. And because everything happens in a controlled environment, your costs stay predictable without the surprise expenses that often come with traditional construction.
Absolutely not. While most modular structures have rectangular or cubic shapes due to manufacturing efficiency, design possibilities are virtually unlimited. Think of modular construction like Legos—you can stack vertically for multi-story buildings, arrange horizontally for larger floor plans, or create unique configurations with offset modules. We've engineered everything from simple rectangular homes to complex four-story hotels with varied layouts.
Wood framing remains popular for residential modular homes, offering familiarity and cost-effectiveness. Steel (including hot-rolled, cold-formed, and light-gauge) is common for commercial projects and structures requiring higher strength. Shipping containers have gained significant popularity for both residential and commercial applications due to their durability and sustainable qualities. While we recommend having a general idea of your preferred material, our team can help you select the optimal option based on your project goals, budget, site conditions, and local building requirements.
Not necessarily. We can work both ways—you can come to us with a specific material preference, or we can recommend materials based on your project requirements, budget, and intended use. However, having at least a general direction helps us provide more accurate quotes and engineering solutions tailored to your needs.
We regularly work with plans from external architects and designers. However, it's important to note that sometimes architectural plans don't align perfectly with modular engineering requirements—such as connection details or transportation constraints. This can create delays and additional costs while details are resolved between separate firms. Our integrated approach—with design and engineering under one roof—eliminates these coordination issues and often saves both time and money.
At minimum, we need to understand your project scope, preferred materials (if known), general size or square footage, and location. If you have architectural drawings, sketches, dimensions, or even concepts drawn on a napkin, those help us provide more accurate quotes. The more information you provide upfront, the more precise your estimate will be and the more streamlined the engineering process.
Generally, yes, though requirements vary by jurisdiction. We've successfully permitted modular structures in all 50 states. The key is ensuring your design meets local building codes, which is exactly what our modular construction engineering services provide. We recommend checking with your local building department early in the process, especially for alternative materials like shipping containers, to understand any specific local requirements or restrictions.
Every project is priced individually based on factors like square footage, structural complexity, materials, and location. Contact us for a free quote specific to your project. Many clients find our integrated design and engineering services cost significantly less than hiring separate architects and engineers, while also providing better coordination and faster timelines.
Timeline depends on project complexity, but most modular engineering projects are completed within 6-8 weeks during busy seasons and faster during slower periods. The controlled factory environment for actual construction then accelerates the building timeline significantly—often reducing total project duration from 12+ months to just 3-8 months compared to traditional on-site construction.
No, PSE provides engineering and design services exclusively. Once we deliver your stamped, permit-ready plans, you'll work with a modular manufacturer or contractor to build your structure. We can provide guidance on finding qualified manufacturers experienced with your chosen modular system and building materials.
Contact PSE Consulting Engineers Today
Have questions about modular home design or want to learn more about our solutions? Contact PSE Consulting Engineers to discuss your next project. Whether you’re interested in a residential or commercial structure, we are here to help you maximize your modular design for ultimate form and function.
