Are slab on grade foundations cheaper than a basement?

Jason Published: Nov. 21, 2019, 4:12 p.m.Last updated: Dec. 1, 2019, 8:31 p.m.

My question is, when taking square footage into account, is it cheaper to build a basement for my new home or would it be cheaper to build a slab on grade and add an extra room - also, which is going to be more efficient to heat and keep cool? I'm near Portland Oregon - thanks!  

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