How much does it cost to build a walkout basement?
Just so, are walkout basements more expensive to build?
A walkout basement has lots of advantages going for it, so don't despair if you have a less-than-level building site. By incorporating a walkout basement or garage in your design plan, you are minimizing the square footage of your foundation. This saves on the cost and materials of building the foundation.
Considering this, how much does it cost to create a walkout basement?
$15-20k for a relatively straightforward job. Keep in mind that drainage has to be tied into your home's drainage system. This means breaking the basement slab to connect to your sewer line. If you have a finished basement add fixing the damage to the overall cost.
A little less slope (4-6 ft.) is fine as the house can be raised in front, or the grades adjusted a bit in the finished grading. In general, walk-outs are a little more expensive to build in cold climates as deep footings are required on the walk-out section of the basement.