Learn how to make sure that your site is prepared for your prefab modular cabin. We’ve helped hundreds of customers, and we’ll help you too!

Site Preparation for Your Log Cabin

There are a few things to consider as you choose a foundation for your Certified Modular Cabin by Riverwood Cabins. Your cabin advisor has helped many customers achieve their dreams of log cabin ownership, and can help you as well. Here are a few things to consider:

Concrete Slab

Depending on your needs and your local laws a concrete slab may be the simple foundation that’s best. Keep in mind that this is an option only for smaller buildings up to 15’ wide.

Crawl Space or Basement

Our Certified Modular Cabins are engineered to be installed on a crawl space or basement foundation.

Site Contractor

Once you’ve decided whether you want a crawl space, full basement, or a concrete slab you can choose a local site contractor to complete the work for you. In many areas your cabin advisor may be able to recommend a contractor based on previous experiences. It may be beneficial for you to hire a contractor at the outset who can handle all of your site work, like digging a well, preparing for water and septic, as well as building the foundation.

Detailed Plans

The detailed drawings we provide to your site contractor ensure that when your cabin is delivered the foundation is properly configured. The exact size and location of required design elements like utilities hookup access is shown on the plans.

Choosing the Right Foundation

Our Certified Modular Cabins are engineered to be placed on a foundation–either a crawl space or a full basement. Depending on the size and floor plan of your cabin weight bearing posts or interior basement walls are required to carry the load of the floor joists. Our detailed plans make sure that all the required elements of the foundation are in place when the cabin is delivered.

A concrete wall crawl space or basement foundation has the advantage of making sure your cabin is protected from frost heaving by nature of the fact that it is installed below the frost line.

Crawl Space

A crawl space is typically 24” to 48” deep and built with poured concrete walls or concrete blocks. Similar to basement walls but shorter, and usually only accessible from outside. If you need a traditional foundation for your cabin but you don’t want to spend money for a full basement a crawl space foundation could be the perfect answer.

Full Basement

Full basement walls are typically 8’ or 9’ high and create extra living or storage space. This can be a great option for adding space for more bedrooms or indoor recreational space. Take a look at our 3D Tour of a cabin with a full finished basement.

Sill Plates

For crawl space and full basement foundations our plans call for the site contractor to install a treated wood double sill plate on top of the concrete foundation wall. The first treated wood sill plate is anchored to the top of the concrete wall, then the second treated wood sill plate is placed on top of the first sill plate to create a smooth sill plate that our crew anchors the cabin to.


Riverwood Cabins are delivered on a trailer designed especially for the job. On some sites the cabin will be able to be unloaded from the trailer without a crane, but when the cabin goes on a foundation wall a crane is required to position the cabin precisely on the foundation.

Our crew will then anchor the cabin and complete the onsite work required to make sure the cabin is ready for you to start making memories!

Utilities Hookup

The site contractor is responsible for hooking up the utilities like sewer, water, gas and electric. The design of our cabins makes this a straightforward process. After the utilities are connected, your new cabin will immediately have electricity and water – no need for a lengthy construction process!

Take the next step. Contact a cabin advisor to learn more.  Get Started