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Can Modular Homes Have Basements? A Look at Foundations for Turn-Key Modular Homes

Updated: Dec 24, 2025

Building Modular Homes with Strong Foundations: Why Opt for a Basement?


Key Takeaways:

  • Modular homes can be built on full basements or crawl spaces with permanent foundations.

  • Basements add living space, storage, energy efficiency, and resale value.

  • Crawl spaces are a great alternative when a full basement isn't feasible.

  • Corey’s Construction’s standard turn-key pricing includes a 9' poured concrete foundation that’s fully insulated.

  • We serve homeowners across Maryland, Pennsylvania, and West Virginia with complete, code-compliant modular home construction.


A crane lifts a large modular home section onto a foundation. "Ritz-Craft"
Modular Units being placed on a full concrete foundation in Berkeley County West Virginia

When planning a new construction project, especially a turn-key modular home, the foundation is one of the first considerations. At Corey’s Construction, we often get asked, Can modular homes have basements? The answer is a resounding yes. Basements offer significant advantages—and here’s why.


Understanding Modular Homes


Unlike manufactured or mobile homes, modular homes are permanent structures. They are built in sections off-site, delivered to your property, and assembled on a permanent foundation. This allows for the inclusion of a full basement as part of the design. Our standard turn-key modular home package includes a 9-foot poured concrete foundation that’s fully insulated, providing a solid and energy-efficient base for your new home.


Why Choose a Basement?


Adding a basement to your modular home opens up more flexibility and long-term value. Here are some benefits:


Extra Living Space

A basement can serve as a guest room, entertainment zone, or home gym. It enhances your home's functionality and makes it more versatile for your lifestyle.


Additional Storage

Basements provide ample space for seasonal items, tools, and keepsakes. This organization keeps your main living areas clutter-free.


Energy Savings

An insulated basement adds protection from the elements. This insulation significantly reduces heating and cooling costs, making your home more energy-efficient.


Boosted Property Value

Homes with basements typically attract more buyers. They also command higher resale prices, making them a wise investment.


Crawl Space vs. Basement: What’s Right for You?


Basement Foundation

Choosing a full basement is a popular option among our clients in Maryland, Pennsylvania, and West Virginia. A full basement doesn't just provide usable space but also offers future upgrade opportunities. It functions as a built-in storm shelter, giving you peace of mind during severe weather.


Crawl Space Foundation

For sloped lots or areas with high water tables, crawl spaces are an excellent alternative. They elevate your home off the ground and provide easy access to plumbing and other mechanicals, all without the cost of a full basement.


💡 Note: Slab foundations are not suitable for modular homes because they require space underneath for HVAC, electrical, and plumbing systems.


The Importance of a Strong Foundation


Building your modular home in Franklin County, PA, Frederick County, MD, or Morgan County, WV means adhering to strict state and local building codes. We build according to the International Residential Code (IRC) and ensure that your foundation is tailored precisely to your home's design and site conditions.


Our Construction Process

Our typical foundation construction process consists of various essential steps:


  • Steel I-Beams: The structural backbone that distributes weight evenly across the foundation.

  • Cross-Members: These add rigidity and connect the beams for enhanced stability.

  • Outriggers: Reinforce the frame and provide lateral strength during transport and beyond.

  • Concrete & Treated Wood: We choose these materials for durability and longevity, while avoiding stone due to its inconsistency.


At Corey’s Construction, we manage every detail. From excavation to waterproofing and insulation, we ensure that your home has a robust, dry, and energy-efficient foundation from day one.


Arial view of a construction site showcasing a completed basement foundation, prepared for the assembly of modular units, with cranes and vehicles in place for the next phase of building.
Arial view of a construction site showcasing a completed basement foundation, prepared for the assembly of modular units, with cranes and vehicles in place for the next phase of building.

Built to Last, Designed for You


When you add a basement to your modular home, it's not just about square footage—it's about making a smarter investment. Our fully insulated 9' poured concrete foundations, which are included in our turn-key pricing, offer homeowners the peace of mind they deserve. From planning and design to engineering and construction, Corey’s Construction is your one-stop solution for turn-key modular homes in Maryland, Pennsylvania, and West Virginia.


Ready to Start Building?


Let’s turn your dream into reality. Contact Corey’s Construction today to discuss your modular home project. We’ll ensure you have a solid, energy-efficient foundation that is built to last.

👉 Contact Us Now


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