Lawn irrigation costs depend on your project and location. Check with a local pro for your specific job.
Lawn sprinkler systems in St. Louis cost $450 to $3,800 for a quarter-acre yard.
St. Louis homeowners pay $0.60 to $1.25 per square foot for installing a sprinkler system.
Installing a sprinkler system in St. Louis delivers an estimated 86% return on investment (ROI).
With St. Louis, MO’s hot, humid summers and occasional dry stretches, many homeowners rely on sprinkler systems to keep lawns healthy throughout the growing season. Lawn sprinkler system installation in St. Louis costs about $3,260 on average, with most projects ranging from $2,781 to $3,807.
Local pricing reflects moderate labor rates, clay-heavy soils common in the region, and yard sizes that range from compact city lots to larger suburban properties. System type, number of zones, and water-efficient features can all influence your total cost—especially in a climate that sees both heavy rain and intense summer heat. Below, we break down what St. Louis homeowners can expect to pay and why.
Many things can impact your budget for this project. Here are the main factors that affect your sprinkler system cost in St. Louis, MO.
The cost of lawn sprinklers depends on the type of irrigation system you choose. For example, an aboveground automatic system will cost less than an underground system that requires digging trenches.
| Type of Sprinkler System | Description | Price for 1/4 Acre |
|---|---|---|
| Automatic | Set-and-forget lawn watering using an electronic panel for scheduling | $1,800–$3,100 |
| Underground | Provides a clean, seamless lawn look with hidden trenches, automatic with a panel and timer | $2,000–$3,800 |
| Drip irrigation | A low-flow, efficient system using drip lines aboveground or a few inches below, ideal for large lawns or gardens | $450–$850 |
| Rainwater collection | Collects rainwater in barrels or larger systems for sprinkler hookup, offering eco-friendly lawn watering | $120–$21,000 |
"Installing an irrigation system in a newly built home costs less than installing one in an existing home. Why? Older homes and yards have established root systems and old water lines you have to dig through or remove. New builds are a blank slate with nothing in your way, so installation takes less time."
— Tom Smith, Owner of Desert Designer Landscape and Development, Phoenix, Arizona
Sprinkler installation costs in St. Louis vary from yard to yard. It will cost $0.60 to $1.25 per square foot to install a sprinkler system on your lawn. Here's how much you'll pay for different types of sprinkler systems based on your yard's size.
| Acreage Size | Average Cost |
|---|---|
| 1/4 acre (10,890 sq. ft.) | $2,000–$3,800 |
| 1/2 acre (21,790 sq. ft.) | $4,000–$7,600 |
| 1 acre (43,560 sq. ft.) | $8,000–$14,500 |
| Acreage Size | Average Cost |
|---|---|
| 1/4 acre (10,890 sq. ft.) | $450–$850 |
| 1/2 acre (21,790 sq. ft.) | $900–$1,700 |
| 1 acre (43,560 sq. ft.) | $1,800–$3,200 |
| Acreage Size | Average Cost |
|---|---|
| 1/4 acre (10,890 sq. ft.) | $2,300–$4,000 |
| 1/2 acre (21,790 sq. ft.) | $4,600–$8,000 |
| 1 acre (43,560 sq. ft.) | $9,200–$14,800 |
Sprinkler heads can cost anywhere from $2.50 to $40 each. Your installer will decide how many heads you need by factoring each head’s water pressure and flow rate. You may save money in the short term by opting for less expensive heads, but better quality sprinkler heads will last much longer and save you money on replacements in the long run.
| Sprinkler Head Type | Cost per Head |
|---|---|
| Bubbler | $2.50–$25 |
| Pop-up | $3–$15 |
| Misting | $3–$15 |
| Stationary | $3–$20 |
| Rotary | $3–$20 |
| Gear-driven | $10–$40 |
| Impact | $20–$35 |
Another cost factor for sprinkler heads is whether they are stationary or rotary. Stationary sprinkler heads cost less but cover a smaller area, so you may need to buy more for full coverage. Rotary sprinklers are more expensive, but they can cover larger areas. Plus, they let you control water flow to better suit your plants.
A yard can contain zones with different watering needs. You can set up sprinkler systems to water multiple zones with varying amounts of water or at different times of the day. Depending on what’s in your yard, you may have separate zones for lawns, gardens, and shrubs.
Sprinkler systems for yards with only one zone will cost between $500 and $1,000, with each additional zone costing an average of $1,000. The plus side: Some professionals who set up this system will charge less as the number of zones increases, which means you could score a great deal.
| Number of Zones | Average Cost |
|---|---|
| 1 | $500–$1,000 |
| 2 | $1,000–$2,000 |
| 4 | $2,000–$4,000 |
| 6 | $3,000–$6,000 |
| 7 | $3,500–$7,000 |
Features like rain and soil sensors can also save you money by monitoring how much water your lawn needs.
Rain and soil sensors: $25–$50 per sensor
Wi-Fi and smartphone compatibility: $50–$300
Rainwater collection system: $2,500
Installing a sprinkler system involves digging up a large part of your lawn. Depending on the equipment used, you may have to make some repairs once installation is complete. Here are the average costs for lawn repair:
Laying new sod costs $1 to $2 per square foot for installation only.
Overseeding or reseeding the lawn costs $0.10 to $0.20 per square foot.
With proper maintenance, system inspection, and sprinkler repair, a quality sprinkler system can last 20 years or more. Sprinkler repairs cost $130 to $400 on average. Many St. Louis pros offer maintenance packages with installation, so be sure to ask about this perk during the contract stage.
Don't neglect your sprinkler system maintenance, such as annual cleanings and inspections. These upkeep tasks can help prevent costly issues like clogged pumps and leaking pipes.
Winterizing your sprinkler system, an important maintenance step in colder climates, can cost anywhere from $50 to $230 for a professional visit.
Sprinklers can significantly increase your water usage, especially if you weren’t watering much before the installation. Expect to see a jump in your utility costs during the months when your sprinkler system is running.
St. Louis water rates average $3 to $5 per 1,000 gallons, so sprinkler use can add $20 to $60 per month during peak summer watering.
In St. Louis, local labor rates and soil conditions influence the overall price of a professional sprinkler installation more than in some other regions. Homeowners planning lawn sprinkler system installation in St. Louis should anticipate additional costs for permits, trenching, slope adjustments, and optional upgrades beyond the base system price.
Most standard sprinkler installs in St. Louis don’t require a standalone permit, but permit fees can range from $50 to $150. Inspections may be required to ensure compliance with local plumbing codes.
Trenching in the St. Louis area is affected by clay-rich soils that require more labor to excavate, potentially increasing costs. Expect trenching to add $1 to $3 per linear foot, with total trenching costs between $300 and $1,200 for an average residential yard.
Although much of St. Louis is relatively flat, certain neighborhoods and suburban properties have mild slopes that require careful irrigation planning. These slopes can add $300 to $1,000 to your installation costs due to extra labor, specialized sprinkler heads, and strategic zone layouts to prevent runoff.
Many St. Louis homeowners choose upgrades like smart controllers, rain sensors, or high-efficiency sprinkler heads to better match watering to weather and soil conditions. These enhancements add $150 to $600 upfront, but they can improve water efficiency and reduce long-term utility costs throughout hot, dry summer months.
In St. Louis, a professionally installed sprinkler system can boost curb appeal and increase resale value, with an average return on investment (ROI) of 86%. Well-maintained, green lawns stand out in St. Louis neighborhoods during the busy spring and summer home-buying seasons and can positively influence buyer interest and appraisals. Many buyers also appreciate the convenience of an automated irrigation system during hot, dry stretches. Modern, water-efficient systems can further help St. Louis homeowners conserve water and manage monthly utility costs.
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.
My yard sis large and was overgrown, WJP came to cut and manicured my lawn.
WJP Innovations LLCHave a annual contract with the above company, with opening and closing of my residential irrigation system. Appointments and work orders are completed as planned and system works efficiently. Would recommend their services.
Metro Lawn Sprinklers & LandscapesFirstly, this was not just lawn work, this job involved several truckloads of junk removal. Cameron was very responsive. He inspected the job site and sent over a quote same day as request. He is also very thorough. I had a huge cleanup job (my mother's old rundown house and overgrown...
Recovery Lawncare, LLCI recently hired Miguel, he does a great job! My lawn looks good.
Trujillo Gardens, LLCThe Standard Lawn and Landscaping is true to its name. Holden Kiefer and his crew have been excellent, from communications to care for customers to their craft of lawn maintenance. Highly recommend.
The Standard Lawn and LandscapingVery professional, Stuart lawn and land is hands down great service. Gordan Stuart the owner is detailed and customer service orientated.
Stuart Lawn and LandHe gave me a bid over the phone without looking at my lawn. He quoted me 3500.00 .
K&S Lawn MaintenanceThe lawn looks great, and Ben was able to make some suggestions for other improvements. Looking forward to working with him in the future.
BP LandscapingI tried to contact them via Angie's list but did not get a response. Then went to their website and got a very prompt response. I told Terry what I needed, including other work that has not been done yet. I had the measurements of the area to be mowed and we agreed upon a price. He also...
GENUINE LAWN CARE & LANDSCAPINGVery good work. My yard looks amazing!!!!!! Everyone needs to call Jakes Green Lawn Co
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