What is the maximum cost of retaining a new retaining wall?

I'm estimating the wall will need to be 60' L and 4-6' tall Thinking of some type of stone exterior Not just cinder blocks

The typical cost range for constructing a retaining wall is between $20 to $50 per square foot or $40 to $300 per linear foot This estimate includes

retaining wall estimate sample wall budget calculator that breaks down the budget into labour, plant and materials You can see which types of retaining walls use the least amount of site

retaining wall estimate pdf Looking for a Retaining Wall Price Estimator & Calculator