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Minimum cost - $20 per square foot. Maximum cost - $100 per square foot. The cost of terrazzo flooring is directly related to the materials out of which the floor itself is made. Since terrazzo flooring is made out of little chips and pieces of other materials, some terrazzo flooring costs more than others.
1 Terrazzo tiles come in a wide variety of color and texture combinations, and can cost $6-$20 or more a square foot, or $2,400-$8,000 for 20'x20'. 2  Professional installation can add another $6-$10 a square foot, bringing total costs for labor and materials to $12-$30 or more a square foot, or $4,800-$12,000 for 20'x20'. A do-it-yourself poured terrazzo installation project is challenging but not impossible, and material costs can be minimal. 2  A Florida homeowner used white cement, fine sand, scraps from a marble wholesaler, a small rock crusher and a homemade grinder to set his own terrazzo floors for about $200.