How Much Does Pest Control Cost in St Louis? [2025 Data]

St. Louis is an affordable city, which often equates to lower service costs. Pest control in St. Louis costs between $85 and $189, with an average price of $133. The exact cost of this project depends on the type of pests in your home, the scope of the infestation, the treatment method, and the number of visits needed. Learning how these factors affect pest control costs helps you make a realistic budget.

Pest Control Cost Factors 

Pest control service in St Louis, MO, doesn't have one-size-fits-all pricing. In fact, the local pest inspection specialist will likely come and give you a free quote based on their assessment of your property and pest problem. Take a look at a few of the key variables that impact how much you'll pay to obtain a critter-free home.

Number of Visits

For most full-service pest control jobs, such as eliminating wasp or roach infestations in a 1,500-square-foot property, you'll pay between $150 and $460. But if you need a termite tent and fumigation, you could pay as much as $6,080.

Both services are generally one-time visits, but ongoing pest control services include treatment to keep ants, ticks, fleas, and termites at bay. 

Type of Pest

Each pest requires different labor and materials to eliminate, so the cost varies by type. Some of the most common pests in St. Louis homes include ants, bed bugs, cockroaches, rodents, spiders, and termites. Eliminating bed bugs can cost up to $3,040, while eradicating ants costs $380 or less. Here are some average ranges for pest control costs by critter type.

• Cost to exterminate ants: $80–$380

• Cost to exterminate bed bugs: $760–$3,040

• Cost to exterminate cockroaches: $80–$460

• Cost to exterminate spiders: $80–$380

• Cost to eliminate termites: $190–$760

• Cost to exterminate rodents: $140–$460

Type of Treatment

Chemical treatments tend to cost more than non-chemical treatments. Simple treatments using traps can cost under $80, while whole-home tent fumigation can reach up to $6,080.

Treatments for certain types of pests will also cost more than others. For example, a small ant infestation can cost anywhere from $80 to $380, while a major bedbug treatment can cost as much as $4,560.

• Choose physical traps for small or minor infestations. They are often the least expensive option and can be placed and checked by a homeowner without needing a professional. However, if pests make you uncomfortable, you can hire a pro to place and monitor traps in your home.

• For moderate infestations, opt for chemical sprays. A professional should apply pesticides. If used improperly, they can affect the health of your home's two- and four-legged residents.

• Go with fumigation if you have a widespread infestation. This method is often used for termites, which live in the walls, floors, and framing and can cause substantial damage if left untreated. During this treatment, a professional will put a tent over your home and release gaseous pesticides to kill any pests within. Plan to be out of your home during this process.

Infestation Size

A single wasp nest or a small family of rats is pretty insignificant in terms of labor and cost. But if you have a major infestation of any type of pest, whether it's termites, bedbugs, rats, or ticks, the service will cost more. 

Home or Yard Size 

More space in your home and yard means more square footage to cover, from the initial inspection to the treatment application. Whether your exterminator charges by the hour or by the square footage, this will equate to additional charges for pest control service.

The average size of a home in St. Louis is 1,577 square feet. You’ll pay between $230 and $420 for a one-time pest control service in a home of this size. However, a larger home means higher costs. Consult the table below to gauge how much pest control will cost based on your home size.

Pest Control Pro Costs

A DIYer can handle some pest problems with a few store-bought supplies. However, in most cases, it’s wise to hire a local exterminator. Learn more about the factors that can affect the cost of hiring a pest control pro.

Labor Costs

St. Louis is a relatively affordable city, with a cost of living 6% below the national average. As a result, labor for home services may also be slightly less than the national average. However, the exact labor costs of hiring a pest control pro will depend on whether they charge hourly, daily, by home size, or per project. Emergency or short-notice pest control services will also cost more than regular services.

Inspection Fees

Before you can proceed with pest treatments, you need to know the type of pests in your home and the extent of the infestation. A pest inspection, which costs $100 to $340, will help answer these questions so you can plan the proper treatment. If you hire the same pro that conducted the inspection for extermination services, they may waive the inspection fee.

Accessibility

It takes less time and effort to treat a visible infestation in your kitchen than an invisible one within your walls. Expect your pro to charge higher labor costs for infestations that are not easily accessible.

Repair Costs

Once the infestation has been eliminated, you must address any damage. If the damage is mainly cosmetic, you may be able to repair it yourself—or, if you hire a pro, the costs will be minimal. More severe damage, like structural termite damage, will cost much more to repair. Termite repair costs between $760 and $2,280, but costs can easily rise when the damage is severe.

Do Pest Control Services Increase Home Value?

Some home services, like a roof replacement or new landscaping, can boost the value of your property. Pest control is not one of these services. Hiring an exterminator won’t increase your home’s value, but it can help your property maintain its value.

When you list your home for sale with an existing pest problem, buyers may pass your property by in favor of a pest-free one. If you do get an offer, it may be less than you hoped to receive. Hiring a pest control pro to tackle any infestations before you list your home gives you a better chance of selling quickly at the price you want.

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.