Underpinning and benching are the easiest ways to add instant value to your property by adding extra square footage to your existing home. Downtown living has its benefits, but usually spacious houses and lots of acreage are not synonymous with downtown homes. This is where Rock Bottom Underpinning comes in to help. With 30 years of experience in foundation and structural construction no job is too big, small or complicated for Rock Bottom Underpinning. We can create your new in-law suite, basement apartment or just extra space for your family to enjoy.