How Much Does Yard Drainage Cost in St. Louis, MO? [2026 Data]

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Cost Insights
  • The average cost for yard drainage installation in St. Louis, MO, is $3,457 for most homeowners.

  • Your total project price depends on the drainage system type, yard size, and the required materials.

  • Plan to budget for additional components like catch basins, which cost $50 to $480 each locally.

  • Hiring a yard drainage pro in St. Louis, MO provides reliable help with yard drainage and saves you effort.

This article was created using automation technology and thoroughly fact-checked and edited by an Angi Editor in accordance with our AI policy.

Installing yard drainage in St. Louis, MO, costs $3,457 on average, and ranges from $2,387 to $4,774. Your total price depends on the type of drainage system you choose, the size of your property, and the specific soil conditions in your yard. Before starting your yard drainage project, understanding these costs helps you plan a budget that protects your home from water damage.

Yard Drainage Cost Factors

When planning a project in St. Louis, MO, local drainage specialists evaluate several variables to determine your final price. Understanding these elements helps you budget effectively for a system that keeps your property dry and protects your foundation.

System Type

The specific type of drainage system you install dictates the materials needed and the complexity of the work, making it a primary driver of your total price. In St. Louis, MO, heavy flooding and stormy weather require robust solutions to manage excess water and prevent high foundation repair costs down the road. Homeowners invest $3,457 on average for a complete setup, but this depends on the method. For example, a complete French drain installation ranges from $1,910 to $6,660, while adding a catch basin runs between $575 and $1,910. We recommend choosing a system that directly addresses your property's specific water flow issues.

System TypeLocal Average Cost per Linear FootNational Average Cost per Linear FootLocal Average CostNational Average Cost
French drain$20–$50$20–$50$1,910–$6,660$2,000–$7,000
Trench drain$30–$70$30–$70$2,380–$7,610$2,500–$8,000
Dry well$290–$955 (per unit)$300–$1,000 (per unit)$955–$3,810$1,000–$4,000
Catch basin$50–$195 (per unit)$50–$200 (per unit)$575–$1,910$600–$2,000
Swale$5–$15$5–$15$765–$2,860$800–$3,000
Surface drain$10–$40$10–$40$1,150–$4,760$1,200–$5,000

Size

The square footage of your yard and the total length of the required drainage lines directly impact your final bill. Larger properties demand more materials and extended labor hours to complete the job. Managing runoff across a sprawling lawn in St. Louis, MO, is essential during the unpredictable spring storm season. Standard projects fall between $2,387 and $4,774, but size scales this up or down. A small yard under 500 square feet costs $765 to $1,910 to drain, whereas a large property over 2,000 square feet requires an investment of $4,760 to $11,500. Tackling drainage alongside routine lawn aeration helps maintain a healthy, flood-free landscape.

Yard Size (Sq. Ft.)Local Average CostNational Average Cost
Small (under 500)$765–$1,910$800–$2,000
Medium (500–2,000)$1,910–$4,760$2,000–$5,000
Large (over 2,000)$4,760–$11,500$5,000–$12,000

Materials

The quality and quantity of the physical components used in your system significantly influence the overall expense. Upgrading to premium parts increases upfront spending but extends the lifespan of your drainage solution. Because St. Louis, MO, experiences extreme temperature shifts and ice storms, durable materials are necessary to prevent winter cracking and system failures. Standard catch basins cost $50 to $480 each, while adding a powered sump pump runs $145 to $575 each for the unit itself. Factoring in the full sump pump installation cost alongside your pipe and gravel needs gives you a realistic picture of your material budget.

Material TypeLocal Cost per UnitNational Cost per UnitNotes
Perforated pipe$5–$5 per foot$1–$5 per footHigher for longer runs
Gravel$30–$60 per ton$30–$60 per tonInfluences drainage effectiveness
Geotextile fabric$0.15–$0.60 per sq. ft.$0.15–$0.60 per sq. ft.Premium fabrics cost more
Catch basin$50–$480 each$50–$500 eachNeeded for low spots
Sump pump$145–$575 each$150–$600 eachAdds cost for powered drainage
Connectors/fittings$5–$10 each$2–$10 eachRequired for complex systems

Labor

Hiring professionals to design and install your system makes up a substantial portion of your project budget. Complex terrain, steep slopes, or hard-to-access areas require more time and effort, driving up the labor rate. Working through the humid summers or unpredictable weather in St. Louis, MO, requires experienced crews who know how to navigate local soil conditions efficiently. Contractors include labor in their per-foot estimates, but review your quote to understand the exact breakdown. Coordinating this work with seasonal gutter cleaning ensures water flows away from your home seamlessly from the roof to the lawn.

Prep

Preparing your property for a new drainage system involves clearing the area, grading the soil, and marking underground utilities. Sites with dense tree roots or rocky earth demand heavy equipment and extra preparation time. In St. Louis, MO, heavy rains easily wash away loose topsoil, making proper grading an essential first step before laying any pipe. Clearing away old landscaping or breaking through hard clay adds to your initial site preparation expenses. We recommend having all utilities marked well in advance to keep the project moving safely and on schedule.

Tipping

Rewarding your installation crew for their hard work is a thoughtful gesture, though it is never strictly required. If the team powers through a particularly humid afternoon in St. Louis, MO, a small tip shows great appreciation for their dedication. Handing each worker a flat one-time amount of $20 to $50 is standard for excellent service. Providing cold water, sports drinks, or snacks is another great way to support the crew during a demanding outdoor project.

Additional Cost Factors

Several other elements impact your final budget beyond the basic installation. Removing an old, failed system or restoring your landscaping after the heavy equipment leaves will increase your total investment. In St. Louis, MO, integrating your new yard drainage with existing hardscaping or retaining walls requires careful planning to handle the region's heavy spring runoff. You must also account for any necessary municipal permits and inspection fees required by local building codes. Discuss these extras with your contractor upfront so you have a complete and accurate budget from day one.

Drainage Pro Costs

Hiring a drainage professional in St. Louis, MO, ensures your yard handles heavy spring rain and summer storms. Local contractors charge $50 to $150 per hour for labor, based on the complexity of your terrain and soil conditions. When budgeting for your project, remember to factor in the 9.68% local sales tax on materials and applicable services in St. Louis, MO. We recommend discussing all fees upfront so you know exactly what to expect.

Why You Should Hire a Yard Drainage Professional

Hiring a yard drainage pro in St. Louis, MO saves you hours of backbreaking labor, adds lasting value to your property, and keeps your home safe from water damage.

* Experts use heavy-duty trenchers and excavators to install complex French drains and catch basins efficiently.

* Contractors understand how to navigate dense clay soil to design systems that eliminate standing water.

* Specialists calculate the exact slope required to direct runoff properly without flooding neighboring yards.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.

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