Skip to main content
BuildX
Concrete Slab cost in Washington

How Much Does Concrete Slab Cost in Washington, District of Columbia?

Pour a 4-6 inch reinforced concrete slab on grade (patio, garage or shed pad) with forming and finishing, per sq ft.

Concrete Slab in Washington, District of Columbia typically costs $6.28 to $13 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Concrete Slab in Washington, District of Columbia

$6.28 – $13

per sq ft

Prices in Washington are 5.0% higher than the national average for concrete slab.

National average: $6 – $12 per sq ft

What you get at each price level

  • Basic

    $5.34 – $11 per sq ft

    5 in. 3,000 psi slab on compacted gravel, wire mesh, vapor barrier under interior slabs, broom finish, tooled joints

  • Standard

    $6.28 – $13 per sq ft

    5 in. 3,500 psi slab on compacted gravel, rebar grid on chairs, vapor barrier under interior slabs, saw-cut joints

  • Premium

    $7.85 – $16 per sq ft

    5 in. 4,000 psi slab on compacted gravel, rebar grid on chairs, vapor barrier under interior slabs, thickened edges, saw-cut joints, cure-and-seal

Cost Breakdown in Washington

ComponentCategoryPrice RangeUnit
Materialsmaterial$2.84 – $5.67sq ft
Laborlabor$2.18 – $4.37sq ft
Supplies & Othersupplies$0.76 – $1.51sq ft
Equipment & Disposalequipment$0.50 – $1.01sq ft
Prices adjusted for Washington local market conditions.

Concrete Slab photo examples

  • A narrow ground-bearing concrete slab poured inside wooden formwork beside a building wall.

    Concrete slab poured into wooden forms with rebar dowels along a wall

    Photo: Beams&Lintels · CC BY-SA 4.0 · Source

Cost Factors in Washington, District of Columbia

What Affects Pricing

  • Materials ($2.70-$5.40 per square foot)
  • Labor ($2.10-$4.20 per square foot)
  • Supplies & Other ($6-$12 per square foot)
  • Equipment & Disposal ($6-$12 per square foot)

Local Price Adjustments

Material costs5.0% above avg
Labor costs4.0% above avg

Frequently Asked Questions

References

Get Free Estimates in Washington

Connect with local concrete slab contractors in Washington for personalized quotes based on your specific project.

More Cost Intelligence for Washington