Comparisons · 6 min read

Basement vs. Crawl Space: Which Foundation Dig is Right for Your Moses Lake Home?

Deciding between a full basement and a crawl space for your new home in Moses Lake is an important choice. Classic Excavating Solutions will help you understand the real costs involved with each option. We will also look at the durability of a full basement as well as a crawl space. Our team will also cover the maintenance needs for both choices. This will help you see what makes the most sense for building in Moses Lake.

← Back to Blog Completed foundation excavation work at a residential property in Moses Lake, WA

Let us talk about foundations. When you are building a new home here in Moses Lake, one of the biggest decisions you will make is about the foundation. This decision really sets the stage for everything else. You have a few options for your new home foundation. For most people looking for usable space or better access, it usually comes down to a full basement or a crawl space. As a local guy who has been moving dirt around Grant County for years with Classic Excavating Solutions, I have seen both done right. Unfortunately, I have also seen them done wrong. We will dig into the real differences now. This will help you make an informed choice for your Moses Lake foundation.

Cost: The Bottom Line Upfront

Nobody wants to spend more money than they have to spend. When it comes to excavation for a new foundation, a full basement is almost always going to be more expensive upfront than a crawl space. You need to think about this. A basement means digging down 8 feet or more. This means moving a whole lot of dirt. It also means pouring a significant amount of concrete for those tall walls. For a typical 1,500 square foot home in Moses Lake, a full basement could cost anywhere from $30,000 to $45,000 for an unfinished space. Classic Excavating Solutions can give you a clear estimate for your basement excavation needs.

A crawl space, on the other hand, is a shallower dig. It usually just needs enough space to get 18 to 48 inches of clearance between the ground and your floor joists. This means less dirt moved for the crawl space. It also means shorter concrete walls. For that same 1,500 square foot home in Moses Lake, you are looking at roughly $10,500 to $21,000 for a crawl space foundation. The higher end of that crawl space cost usually includes things like encapsulation as well as proper moisture control. You do not want to skip out on these things around Moses Lake. Classic Excavating Solutions always recommends proper moisture control for crawl spaces.

So, a crawl space wins on initial excavation and construction cost. However, you should not let that be the only factor in your decision.

Durability: Built to Last

Both basements and crawl spaces are built to last. This is true when they are done right. They both rely on concrete footings. These footings need to be below our local frost line in Moses Lake. The frost line is a minimum of 18 inches here. This is important to prevent frost heave. Frost heave happens when freezing and thawing soil can push up and damage your foundation. Classic Excavating Solutions understands the local frost line requirements for Moses Lake foundations.

A full basement has deep, continuous concrete walls. It generally offers a very solid and stable foundation. It is essentially a big, strong box anchoring your home. Crawl spaces are built on stem walls. These are also very durable. The key to durability for both types of foundations is proper compaction of the soil. This is especially true in our area where we can have sandy loam as well as silt loam soils. You also need to make sure drainage is spot on. I have seen plenty of homes in the Black Sands area of Moses Lake. Sandy soils there mean you have to be extra careful with compaction as well as drainage. This helps avoid settling issues. Our team at Classic Excavating Solutions makes sure the soil is ready for your foundation.

Maintenance: Keeping Things Shipshape

This is where things can be a little different for foundations. Basements offer great space. They also demand consistent attention to prevent water intrusion. Those deep walls are constantly exposed to soil. They are also exposed to potential hydrostatic pressure. Good waterproofing systems are non-negotiable. Good drainage systems are also non-negotiable. If those systems fail, you are looking at costly repairs. Classic Excavating Solutions can help with proper drainage around your Moses Lake basement.

Crawl spaces can become a nightmare for moisture. They can also become a nightmare for mold as well as pests if they are not properly managed. You have to make sure you have good ventilation. Even better, you should consider encapsulation with a vapor barrier. You might also need a dehumidifier. This keeps the crawl space dry. It also prevents issues that can affect your whole home. However, the big advantage of a crawl space is accessibility. If you have a plumbing leak, it is easier to get in there and fix things. If you need to run new wiring, it is also easier to get in there. This is easier than with a slab foundation. It is also often less disruptive than trying to access utilities in a finished basement. Classic Excavating Solutions recommends proper crawl space management for Moses Lake homes.

Appearance and Usable Space: What Do You Get?

This is probably the most obvious difference between a basement and a crawl space. A full basement gives you an entire extra level of usable space. This space is equal to the footprint of your home. You can finish it out for extra bedrooms. You can also finish it for a family room. Some people use it for a workshop. Many people just use it for storage. That is a huge bonus. It can significantly increase your home's value. It can also increase its appeal. This is especially true if other homes in your Moses Lake neighborhood have basements. Classic Excavating Solutions understands the value a basement adds to a home.

A crawl space is not designed for living. It is a utilitarian space. You can use it for some storage. It also provides excellent access for utilities. However, it is not adding square footage in the same way a basement does. Some people prefer the slightly elevated look a crawl space gives a home. This is compared to a slab-on-grade. A slab-on-grade sits right on the ground. Classic Excavating Solutions can help you decide which foundation type is best for your Moses Lake property.

My Recommendation for Moses Lake Homeowners

We consider our conditions here in Moses Lake. I lean towards a full basement if your budget allows for it. Here is why I recommend a full basement.

  • Added Value & Space: That extra square footage is a big deal. It is cheaper to build down than to build up for the same amount of space. It also gives you so much flexibility for future needs.
  • Climate Buffer: Basements stay cooler in our hot Moses Lake summers. This can be a real advantage for your home.
  • Resale: A full basement is a significant selling point in many markets. This includes our Moses Lake market. It can also increase your home's long-term value.

Now, if a full basement just is not in the cards budget-wise, a well-executed crawl space is still a solid choice. You just need to make sure you invest in proper encapsulation. You also need to invest in moisture control from day one. You do not want to deal with a damp, musty crawl space down the road. Classic Excavating Solutions can help with proper crawl space installation in Moses Lake.

Ultimately, the best foundation for your home depends on your specific needs. It also depends on your budget. Your long-term plans are also important. No matter which way you go, getting the excavation done right is the first step. It is also the most important step. That is where Classic Excavating Solutions comes in. We make sure your foundation is set up for success. We do this right from the ground up for your Moses Lake home.

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