Concrete Calculator › Cost by city › Boise, ID

Concrete Cost in Boise, ID

Concrete for a 20×20 ft (400 sq ft) 4-inch concrete slab in Boise, ID costs about $719 ($611–$826). Local 2026 price is around $146 per cuyd. Free calculator inside.

Estimated cost — a 20×20 ft (400 sq ft) 4-inch concrete slab

$719

Typical range $611 – $826 · about $146 per cuyd in Boise

Local unit price

$146

You need

4.94 cu yd

State factor

ID ×0.97

Estimate your own Boise project

Prices in Boise, ID run about -3% versus the national average. Enter your dimensions — the calculator starts from the local $146 per cuyd rate; change it to your supplier's quote for an exact figure.

Length (ft)

Width (ft)

Depth (in)

You need

4.94 cu yd

Estimated material cost $719

Area

400 sq ft

Volume

133.33 cu ft

80-lb bags

223

Concrete cost in nearby cities

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Regional estimate = national average adjusted by a ID cost factor. Not a quote. Actual prices vary by site conditions, access, and supplier.