We also do a lot of other decorative concrete applications, you'll be able to find pricing for stamped concrete, stained concrete, and more at the bottom of the page. MY BASIC COST TO POUR AND FINISH A CONCRETE FLOOR IS $2.50 - $3.00 PER SQUARE FOOT.rading of the sub-base-it must be level and compacted. 10. Styrofoam-used a lot for radiant heat floors Those are the basics of what's included and not included in my concrete floor costs. For residential concrete floors my $2.50 - $3.00 dollars per sq. ft. cost will remain consistent throughout the year.