Walkout basement house plans are unique to sloping lots, taking advantage of the available space while providing access to the backyard via the basement. Dream Home Source's specialized set of walkout basement house plans displays an array of styles and options to meet all of your needs. If you need to build a home on a hillside, you should also check out our collection of house plans for sloped lots. Next, consider climate. Planning to build a home in a cold environment? If so, special foundations like Insulated Concrete Forms (ICF) might be your best bet.