What's cheaper for total building costs, slab on grade or basement?

tony wolff Dec. 24, 2020Updated: June 29, 2021

I posted this elsewhere before i found this page:

i am trying to decide on slab on grade vs basement for TOTAL cost. While i know SOG is cheaper than basement, i can do 750 sq ft on top of 750 sq ft basement with finishing in two years after concrete dries vs about 1200 sq. feet with SOG to accomodate our total needs. So my question is: is a 750 sq ft house on top of 750 ft basement cheaper than 1200 sq ft house with SOG?


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