Septic tank service costs depend on your project and location. Check with a local pro for your specific job.
A one-third-horsepower, 2,000-gallon-per-hour-capacity sump pump in St. Louis, MO, costs $850 to $1,300.
The unit type impacts cost, with pedestal units costing the least and submersibles costing the most.
If you need to hire an electrician to install a dedicated circuit or outlet, it costs $75 to $150 per hour.
Hiring a St. Louis, MO, sump pump installation pro keeps your home safe from water damage and costly foundation repairs.
In St. Louis, MO, sump pump installation costs range between $761 and $1,427, with most homeowners paying an average of $1,046. Because St. Louis, MO, experiences frequent rainfall, flash flooding, and seasonal snowmelt, many homeowners install sump pumps to help protect basements and crawl spaces from water damage. Reliable water management is especially important for homes with below-grade foundations, aging drainage systems, or properties located in areas with poor drainage or elevated groundwater levels.
Several factors affect the cost of sump pump installation, including the type and horsepower of the pump, whether a new sump basin or pit must be installed, the complexity of the drainage and discharge system, and any electrical, plumbing, or excavation work required to ensure reliable, long-term operation.
The most common factors influencing sump pump installation costs in St. Louis, MO, are the unit's size and type. Here’s a breakdown of how these factors influence your budget.
Understanding the size and scope of your sump pump installation is key to estimating your cost. The pump’s size, measured in horsepower (HP) and gallons per hour (GPH), directly impacts the price. Most residential sump pumps are between one-third and one-half HP, which is sufficient for standard basements. Larger homes, or those with high water tables, may require more powerful pumps.
A larger pump, or one with higher capacity, costs more to install. If your basement needs a deeper or wider pit, excavation costs will increase. In some cases, homes with expansive basements or frequent flooding may require multiple pumps or pits, further raising installation expenses.
| Unit Size (Horsepower) | Capacity (Gallons per Hour) | Average Cost |
|---|---|---|
| 1/3 | 2,000 | $850–$1,300 |
| 1/2 | 3,000 | $1,050–$1,800 |
| 3/4 or higher | 4,000+ | $1,700–$3,000 |
| Dual pumps or multiple pits | Varies | $2,500–$5,500+ |
The type of sump pump you choose significantly affects your installation cost. There are several main types: submersible, pedestal, water-powered, and battery backup systems:
Submersible pumps are installed inside the sump pit and are quieter but more expensive.
Pedestal pumps sit above the pit, are easier to service, and cost less.
Water-powered and battery backup pumps offer extra protection during power outages. These systems increase your cost but can be invaluable in flood-prone areas.
Specialized pumps for crawl spaces or exterior installations may also require additional work and costs.
| Pump Type | Average Cost |
|---|---|
| Submersible | $1,100–$3,200 |
| Pedestal | $800–$1,600 |
| Water-powered | $1,200–$2,700 |
| Battery backup (add-on) | $1,000–$2,200 |
| Crawl space or exterior | $1,500–$4,500 |
Homeowners in St. Louis, MO, should also budget for local labor, permits, insurance, and other region-specific costs that can affect the price of a sump pump installation. Here’s a breakdown of common expenses to consider when hiring a St. Louis, MO, sump pump installation pro.
Labor is a significant portion of the cost of sump pump installation in St. Louis, MO, accounting for 40% to 75% of the budget. Sump pump installation pros in the St. Louis, MO, area charge between $80 and $160 per hour, depending on the installation's complexity, the work area’s accessibility, and whether excavation, drainage improvements, or electrical upgrades are required.
Plumbers, basement waterproofing contractors, and drainage specialists commonly perform sump pump installations throughout St. Louis, MO. These professionals can evaluate groundwater conditions, basement drainage issues, and flood risks to recommend the appropriate pump size and backup system. Many contractors also offer maintenance services, inspections, and battery backup testing to help keep systems operating effectively during the region's heavy rainfall, severe thunderstorms, and seasonal flooding.
Depending on your home's layout and drainage needs, additional specialists may be needed to complete the project properly. Homeowners in St. Louis, MO, may want to consider the following professionals:
Electricians may be needed to install a dedicated circuit, a GFCI outlet, a battery backup system, or a high-water alarm. Electricians in the St. Louis, MO, area charge $75 to $150 per hour, depending on the scope of work.
Excavation and drainage specialists may be required if the project involves installing a new sump basin, interior drain tile system, French drain, or exterior drainage improvements. Labor rates range from $85 to $175 per hour, depending on excavation depth, soil conditions, and drainage complexity.
Many standard sump pump replacements in St. Louis, MO, do not require a permit. However, permits may be necessary when the project includes new electrical wiring, significant plumbing modifications, foundation work, or the installation of a new sump pit and drainage system. Local contractors are familiar with St. Louis, MO, permitting requirements and can help ensure the project complies with applicable building, plumbing, and electrical codes.
In St. Louis, MO, installing a sump pump can help protect your home's value by reducing the risk of basement flooding and moisture-related damage. While sump pump installation does not provide a traditional measurable return on investment (ROI), it can help homeowners avoid costly repairs and preserve property value, especially in areas prone to heavy rainfall, flash flooding, poor drainage, or elevated groundwater levels.
A professionally installed sump pump helps keep basements and crawl spaces dry, protecting flooring, drywall, insulation, stored belongings, and structural components. It can also help reduce the risk of mold and mildew growth, improving indoor air quality and maintaining a healthier living environment. In the competitive housing market in St. Louis, MO, an effective water management system can be an appealing feature for prospective buyers, demonstrating that the home has been properly maintained.
To help homeowners plan their next project, Angi provides readers with carefully researched cost data and upholds strict editorial standards. We start with national average project costs, which we collect by analyzing competitor information, retailer material costs, and input from professional contractors. We then apply local price index data to calculate location-specific estimates that reflect what homeowners typically pay in their local area. To do that, we use data from the U.S. Bureau of Economic Analysis (BEA), including its Regional Price Parities (RPPs), which measure price differences across cities. This helps us account for differences in labor, materials, and overall cost of living, so estimates in higher- or lower-cost areas better reflect real-world local pricing.
Every estimate undergoes a thorough editorial review to verify accuracy, consistency, and alignment with observed market conditions.
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.
Al did a great job on our tub to shower conversion. Recommended by friends, he worked with RSI and Hoffman Plumbing to prepare an estimate, was very thorough and conscious of our budget. Working in tight space of our 4th floor condo, Bobby managed the demolition and disposal with minimal...
Had some roots in our lateral sewer main. They were very thorough and prompt with the work they performed. I would definitely recommend them to others.
Express Services Plumbing LLCThey were great gentlemen with their approach to my emergency situation I had after this party , they came in clean to clean I highly recommend this company.
Highly recommend! I had a sewer backup caused by the water companies contractor. Their insurance sent a crew and made a mess. I called Allied, and Will came out and was very honest and helpful. He worked with the insurance company and advocated for me to have the mold and asbestos removed the...
Allied EnvironmentalThis company is absolutely amazing ! Our neighbors highly recommended them to us & we are so glad they did! Not only were they prompt & reliable but they were very thorough & more than competitive! They gave us options & got the job done! They also checked in with us later to...
Diagnostic Heating & Cooling LLCCiro and his crew are the best! They showed up on schedule, did an incredible job of extending our driveway, and left the area clean. Very professional every way. We will be using them again.
CM RemodelingThis job does not match categories. We needed a pipe removed from the 1st floor bathroom and the natural gas pipe to the upper floors removed and capped. The service was excellent and the attention to detail and our specific needs was perfect. John got the job done rapidly and cleaned up the...
Weather Tight Interior An ExteriorTriple D's prices were very fair and Mr. Smith kept the scheduled appointments. He answered all of my questions. Smith was professional and respectful of my property and told me how to protect vulnerable parts of the wiring for the AC unit. Highly recommended
Triple D General Contracting, LLC1)immediate response to my online search 2) quoted great price for higher end equip w/better warranty 3) very knowledgeable about water heaters 4) replaced my 12 yr old WH in 2 hrs from his call back 5) thoroughly discussed specifics w/woman homeowner 6) checked whole house main water line...
Anytime Plumbing ServicesShowed up, fixed the leaky tank to bowl seal, works great now. <br />
From average costs to expert advice, get all the answers you need to get your job done.
Find the average well pump repair cost in St. Louis, MO. Learn what you can expect to pay for local well pump services and restore your water access today.
Heat pumps are highly efficient and can help reduce heating and cooling costs. Learn about heat pump costs in St. Louis, Missouri, to set your budget.
Discover how much sump pump installation costs, including average prices, key cost factors, and tips to save on your basement waterproofing project.
Learn how to hire a qualified sump pump installer with tips on finding pros, questions to ask, and what to expect during the installation process.
Licensed plumbers and basement waterproofers specialize in sump pump installations. Keep reading to learn more about who installs sump pumps near you.
Sump pumps can protect your home from flooding and water damage. This guide covers everything you need to know about sump pumps, including different types and how they work.
