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St. Charles Pest Control


Established in 2008, Unitech Pest and Termite Services was founded by a 36-year veteran to provide excellent pest control services in St. Charles at great prices with high integrity.

Licensed Pest Control Company Serving the St. Charles, MO

We offer dependable pest control services to residents and businesses in the St. Louis area, including St. Charles, O’Fallon, St. Peters, Chesterfield, and Wentzville. We’re a family-operated service committed to safeguarding your living space against pesky intruders such as mosquitoes and roaches – just some of what we help protect you from daily.

From handling common infestations to tackling specific problems like mosquito swarms or rodent invasions (and let’s not forget about those sneaky bed bugs), our eco-friendly methods ensure safety for both kids and pets in your home.

Dealing with pests involves multiple tactics, such as trapping them with our high-quality equipment, providing effective baits where they linger, spraying controlled amounts of pesticide, and sometimes utilizing powerful heat techniques if things get serious! If you’re in a bind and need assistance fast, our emergency services are here.

Our team of professionals is well-equipped to handle any ant, termite, or rodent infestation you may be dealing with. We also offer wildlife removal services, ensuring your property is safe and secure from all pests.

Our comprehensive pest protection extends to residential and commercial properties, providing homeowners and business owners peace of mind.

We understand the unique pest management needs of our clients in St. Charles. Our approach includes thorough inspections to identify current and potential pest problems.

Our team of expert St. Charles exterminators is equipped to handle a variety of pests, including:


Residential Pest Control - We Remove, Repair & Prevent

Residential Pest Control Services in St. Charles, MO

We understand the importance of keeping your home safe and free from pests. Our specialized pest control plans in St. Charles to your specific needs, keeping those unwanted critters away from your space. These residential pest control services include:

Ant Control

Ant infestations can quickly become a nuisance in any home. Our ant control service removes pests to prevent damage and inconvenience.

A sign of no-rodents

Rodent Control

Rodents often invade homes, leading to damage and health issues. Eliminating rodents promptly ensures that you enjoy peace of mind knowing your home is protected.

A sign of bed-bug

Bed Bug Control

Bed bugs are infamous for their persistence and quick proliferation. Offering thorough treatment and prevention, our bed bug control solutions guarantee a night of restful sleep free from these unwelcome intruders.

Mosquito Control

Mosquitoes do more than irritate; they can carry diseases. This mosquito control service effectively lowers their numbers, significantly reducing the danger of illnesses spread by mosquitoes.

Earwigs Control

Earwigs, though generally harmless, can invade homes in substantial quantities. Say goodbye to earwigs and hello to comfort with our targeted pest control services that make your living area more enjoyable.

Spiders Control

Spiders may cause distress and can sometimes be hazardous. With professional spider control, you’re less likely to face painful bites or find these creepy crawlies invading your living areas.

Termites Control

Termites are capable of inflicting considerable harm to the integrity of your home. With our powerful termite management techniques, you can rest easy knowing your residence is secure.

Rats & Mice Control

Property damage and health risks are common concerns linked to rodents. Employing safe techniques, this rat and mice control service effectively removes pests while ensuring they do not return.

Commercial Pest Control - Best in Pests

Commercial Pest Control Services in St. Charles, MO

We are your trusted partner for commercial pest control in St. Charles. Keep your workspace healthy and pest-free with our sustainable extermination services designed for modern businesses like yours. From eateries to hospitals to shopping areas—our experts emphasize both safety measures and green initiatives in every project we take on. Our services include:

Restaurant | Unitech Pest


Protect your restaurant from pests with our specialized services that ensure a clean, pest-free dining environment. We focus on sustainable solutions to keep your kitchen and dining areas safe and hygienic.

Brewing Art


Safeguard your brewing operations from pests with our targeted pest control solutions. We help you maintain the purity of your brewing process and the quality of your products, ensuring a safe production environment.


Maintain the highest standards of cleanliness and comfort for your guests with our hotel pest control services. Our expert team ensures a pest-free atmosphere, enhancing the guest experience and reputation.

Property Owners

Keep your commercial properties in top condition with our comprehensive pest control services. We provide tailored solutions to maintain a healthy and pest-free environment for tenants and visitors alike.

The Best Pest Problem Solution in St. Charles

We follow a thorough and integrated approach to ensure effective pest control for our clients in St. Charles. We ensure a thorough approach to tackle the core issue, safeguarding your property from future infestations.

1. Inspection

Our pest control journey begins with a comprehensive inspection of your property. We determine the pest type, pinpoint the infestation source, and assess its severity. This crucial step allows us to customize our approach to meet your unique requirements.

2. Customized Treatment Plan

Based on our findings, we develop a customized treatment plan. Depending on the specific pest, our techniques range from traps and bait stations to pesticides and heat treatments. For mosquito control, we apply larvicides to address larvae and adulticides to eradicate adult mosquitoes. Habitat reduction techniques, such as removing standing water, are also implemented.

3. Implementation of Treatment

Once the plan is in place, our team proceeds with the treatment. We utilize environmentally safe methods and the latest techniques to protect your family and pets. For bed bugs, we may use heat treatments to raise room temperature to fatal levels for the bugs or chemical treatments to eliminate them. Mattress encasements can trap and starve any remaining bugs.

4. Preventive Measures

Preventing future infestations is a key part of our approach. We apply preventive strategies like consistent monitoring, property adjustments, and habitat minimization. These actions help keep pests at bay, providing you with lasting security.

5. Follow-Up

Regular follow-ups are essential to ensure complete eradication and monitor the effectiveness of our treatments. Bed bugs are tenacious and demand persistent efforts to avoid re-infestation. Our team stays alert, offering ongoing support and necessary adjustments.

Why Choose Unitech Pest and Termite Services?

35+ Years of Experience – Home Protection All Season

Choosing Unitech Pest and Termite Services means trusting the most reliable pest control company in St. Louis. We are known for providing expert and friendly pest control services to protect your home or business. Here’s why you should choose us:

Expertise and Experience

Our expert exterminators handle mosquitoes, termites, ants, bed bugs, rodents, and roaches. With our local knowledge and experience, we offer effective pest solutions.

Commitment to Safety

We prioritize your family's safety with kid and pet-friendly treatments. Our eco-friendly methods control pests safely while protecting your loved ones.

Emergency Services

Pest emergencies can happen at any time. That's why we offer quick and efficient emergency pest control services.

Integrity and Reliability

Integrity and reliability are the cornerstones of our service. Our values guarantee you honest, reliable, and effective pest control every time.

Residential and Commercial Solutions

We are proficient in both residential and commercial pest control. Whether for your home or business, we can keep your spaces pest-free.

Personalized Service

Every pest problem is unique, which is why we offer personalized service. Our team creates a custom plan to eliminate and prevent pests.

Professional Recognition

Our membership in the Missouri Pest Management Association shows our dedication to high pest control standards.

Monthly Inspections

Whether you need regular monthly inspections or prefer less frequent bi-monthly or quarterly services, we’ve got you covered.

Get a FREE Estimate

    Home Pest Control Services St. Charles

    Our St. Charles pest control services are trusted and effective, giving you peace of mind. With us, you get a personal technician who understands your specific pest issues and provides tailored solutions. We offer safe, kid and pet-friendly treatments and a 100% satisfaction guarantee.

    Experience our annual pest treatment programs for year-round protection. Save money on your initial service. Contact us today to learn about your savings with Unitech Pest & Termite Services.

    What Our Clients Say


    $20.00 off Initial Treatment

    Quarterly Services

    (For new quarterly service account)


    $20.00 off Initial Treatment

    Quarterly Services

    (For new quarterly service account)

  • We Have Money Savings Offers

    We know that choosing a pest control service is an important decision. Let us make it easy for you to get started with us with these exclusive special offers!

    Choosing Unitech Pest as your pest control service comes with financial benefits. You can enjoy a discount of up to $20 on your initial pest control service. Contact us today to learn more about the savings you can accrue with Unitech Pest & Termite Services.

    Get Your FREE Estimate Today • Call (314) 558-4847

    If you have a pest problem in St. Charles, contact Unitech Pest and Termite Services. We are the trusted pest control company in St. Louis, offering professional and eco-friendly solutions.

    Contact us today for a complete solution. Your family’s safety is our priority with kid and pet-friendly treatments. Don’t wait—reach out now for effective pest control in St. Charles.


    Pricing varies based on the type of pest, the extent of the infestation, and the size of your property. We offer competitive rates and money-saving offers to ensure our services are affordable.

    A pest control service identifies, targets, and eliminates pests from homes and businesses. Our St. Charles, MO exterminator uses proven methods and treatments to effectively control and prevent pests.

    Our team uses an integrated pest management approach. This involves identifying the type of pest, assessing the level of infestation, and applying targeted treatments. We prioritize safety, using kid and pet-friendly methods. Our ant control experts are particularly adept at handling carpenter ants, one of the most destructive species.

    Unitech Pest Control is a professional pest management service in St. Charles. We handle a variety of pests, providing tailored solutions for homes and businesses. We offer a range of services, from monthly checks to bi-monthly and quarterly options.