Concrete Calculator › Cost by city › Washington, DC
Concrete Cost in Washington, DC
Concrete for a 20×20 ft (400 sq ft) 4-inch concrete slab in Washington, DC costs about $926 ($787–$1,065). Local 2026 price is around $188 per cuyd. Free calculator inside.
Estimated cost — a 20×20 ft (400 sq ft) 4-inch concrete slab
$926
Typical range $787 – $1,065 · about $188 per cuyd in Washington
Local unit price
$188
You need
4.94 cu yd
State factor
DC ×1.25
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Estimate your own Washington project
Prices in Washington, DC run about +25% versus the national average. Enter your dimensions — the calculator starts from the local $188 per cuyd rate; change it to your supplier's quote for an exact figure.
You need
4.94 cu yd
Estimated material cost $926
Area
400 sq ft
Volume
133.33 cu ft
80-lb bags
223
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Regional estimate = national average adjusted by a DC cost factor. Not a quote. Actual prices vary by site conditions, access, and supplier.