The average cost to seal concrete falls between $0.20 to $0.60 per square foot for the materials alone and $2 and $3 per square foot with labor. Factor in the total square footage of your concrete ...

Cost Per Room Size The cost to stain concrete flooring will cost anywhere from $400 to $2,900 for a typical 200-square-foot room. One gallon of concrete stain costs between $35 to $80 on average.