$1.46 and $1.59 per square foot.
Costs. A professional concrete contractor will typically charge $2-$4 per square foot for a simple stain application, including the sealer. A stain application with patterning and sawed lines will typically cost between $4 and $10 per square foot. The total cost for a concrete garage floor, including concrete, labor, supplies and equipment, varies region to region because of geographic variables. The total cost for a 400-square-foot garage floor in San Francisco ranges between $3.91 and $4.28 per square foot and between $3.26 and $3.60 per square foot in Atlanta. In suburban Chicago, the same floor will cost between $3.70 and $4.05 per square foot. Video on the cost of concrete floors. Depending on the level of complexity, concrete floors can cost as little as $2 to $6 a square foot or be as expensive as $15 to $30 a square foot. 1 At this price point, you are comparing against wood flooring ($8-$10 per square foot) and a range of ceramic and quarry tiles ($10-$12 per square foot). 2  Adding decorative sandblasting or engraving to the advanced stain application. ( 3 $15+ It doesn't include labor, supplies such as reinforcing bar, if needed, or building permit fees. At the time of publication, the average cost of concrete for a 400-square foot slab, the typical size for a two-car garage, ranges between $583 and $637 or between $1.46 and $1.59 per square foot. On average, contractors will put in about 13 hours of labor to finish a two-car concrete garage slab.
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cost of concrete floor per square foot