Washington Foundations Costs

What is the cost of concrete foundation installation in Washington?

The cost of concrete foundation installation in Washington is $6.31 per square foot (4 inch reinforced slab on grade).*
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Washington Foundation Contractors & Prices

Washington Foundations Cost Data

Concrete Foundation Installation - 98201, Washington


$6.43 to $7.16 per square foot (4 inch reinforced slab on grade)
This is a general cost for concrete foundation installation. Estimate takes into account grading, 4" thickness, gravel base, rebar, and basic finishing. Excludes design, drawings, major excavation, piers, soil testing, columns, and deep foundations.

Reported on June 4, 2018 by ProMatcher Research Team

French Drain Installation - 99301, Washington


$18.43 to $20.19 per linear foot (exterior drain)
Cost assumes a typical french drain installation. Estimate accounts for digging a trench to re-route flow of water (depth up to 24"), laying PVC piping, and backfilling trench with gravel. Price does not account for re-landscaping, sump pumps, indoor drains, dry well installation, and decorative grates.

Reported on February 26, 2020 by ProMatcher Research Team

Concrete Foundation Installation - 99301, Washington


$5.35 to $5.95 per square foot (4 inch reinforced slab on grade)
Includes price of labor for concrete slab-on-grade foundation installation. Includes site preparation, gravel base, and rebar for rectangular slab. Cost excludes engineering design, blueprints, soil engineering, deep foundations, and frost protection.

Reported on June 4, 2018 by ProMatcher Research Team

French Drain Installation - 98201, Washington


$22.15 to $24.26 per linear foot (exterior drain)
Includes pricing for french drain construction. Cost takes into account digging sloped trench (2' to 4" deep) in yard, putting in perforated pipe, and backfilling with gravel or crushed stone. Excludes interior french drains, sump pump installation, dry wells, and decorative drain covers.

Reported on February 26, 2020 by ProMatcher Research Team

Concrete Foundation Installation - 99354, Washington


$5.35 to $5.95 per square foot (4 inch reinforced slab on grade)
Estimate takes into account labor. It also includes site preparation, gravel base, and rebar for rectangular slab. Cost estimate excludes engineering design, blueprints, soil engineering, deep foundations, and frost protection.

Reported on June 4, 2018 by ProMatcher Research Team

French Drain Installation - 98901, Washington


$19.06 to $20.88 per linear foot (exterior drain)
Labor for french drain installation is included in estimate. Cost accounts for trench excavation, perforated piping, backfill material, and equipment rental. Items not included: re-landscaping, sump pumps, indoor drains, dry well installation, and decorative grates.

Reported on February 26, 2020 by ProMatcher Research Team

Concrete Foundation Installation - 99336, Washington


$5.35 to $5.95 per square foot (4 inch reinforced slab on grade)
Cost range takes into account concrete foundation installation labor. No additional charge for minor excavation, gravel base, steel reinforcing bars, and 4" slab. Items excluded: design, drawings, major excavation, piers, soil testing, columns, and deep foundations.

Reported on June 4, 2018 by ProMatcher Research Team

French Drain Installation - 98225, Washington


$22.49 to $24.63 per linear foot (exterior drain)
Price considers the cost of french drain construction. Estimate includes digging sloped trench (2' to 4" deep) in yard, putting in perforated pipe, and backfilling with gravel or crushed stone. Does not include interior french drains, sump pump installation, dry wells, and decorative drain covers.

Reported on February 26, 2020 by ProMatcher Research Team

Concrete Foundation Installation - 98225, Washington


$6.53 to $7.27 per square foot (4 inch reinforced slab on grade)
This estimated cost includes concrete foundation installation labor. Price estimate includes minor excavation, gravel base, steel reinforcing bars, and 4" slab. Items excluded: design, drawings, major excavation, piers, soil testing, columns, and deep foundations.

Reported on June 4, 2018 by ProMatcher Research Team

French Drain Installation - 98009, Washington


$23.62 to $25.88 per linear foot (exterior drain)
Price takes into account the cost of french drain construction. No additional charge for digging sloped trench (2' to 4" deep) in yard, putting in perforated pipe, and backfilling with gravel or crushed stone. Excludes interior french drains, sump pump installation, dry wells, and decorative drain covers.

Reported on February 26, 2020 by ProMatcher Research Team
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* Disclaimer: Costs and prices shown on the ProMatcher site are intended to be used as general information, not as guaranteed estimates. To obtain cost information relevant to your project, request a quote or estimate from a local service provider.

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