The price of crushed limestone Crushed limestone costs between $30 and $38 per ton, $1.59 to $2.00 per square foot, or $35 and $54 per yard. Expect to pay $3 to $5 each bag or $125 per ton for smaller amounts. Limestone is used as a filler in concrete, asphalt, and other materials where its acidity is needed to cure the mixture. Limestone is the most abundant mineral on earth. It makes up more than one-third of the earth's crust. You can find it near major cities, such as Atlanta, Boston, Chicago, Houston, Indianapolis, Los Angeles, Miami, New York City, Philadelphia, San Francisco, Seattle, and Washington D.C. The best place to find quality limestone is within 100 miles of any large city. Limestone is sold in bulk quantities and generally requires further processing before it can be used in concrete. When purchasing limestone for use in concrete, check to make sure it has a high calcium carbonate percentage. This will give your concrete good hardness and durability. Crushed limestone is used as an additive to soil for controlling acid rain and lime sulfur problems in coal-burning utilities. It is also used as a partial replacement for sand in shotcrete, a type of pavement coating used for small-scale work like walkways, driveways, and porch roofs.