
Serving O Fallon, MO and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
"Diesel’s response time, price, plan, work ethic, and guarantee were excellent. I now have a go to company for future pest control needs."

*The Angi rating for Pest Control companies in O Fallon, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Pest Control needs.
*The HomeAdvisor rating for Pest Control companies in O Fallon, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Pest Control needs.
Last update on February 21, 2026

Serving O Fallon, MO and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
"Diesel’s response time, price, plan, work ethic, and guarantee were excellent. I now have a go to company for future pest control needs."

Serving O Fallon, MO and surrounding areas
Approved
In business since 2014
Free estimates
Warranties offered
"Caleb, the Route Manager, came to our home and thoroughly explained their services and answered all questions regarding the products All Seasons Pest Control uses. The price was very reasonable, but more importantly, Caleb's professionalism and demeanor was so impressive, I signed up for their program. The very next morning, Spencer, the technician, showed up exactly on time as promised. He too, was very gracious and took the time to review the service and products he would be applying to my home. I watched as he meticulously covered every inch of property, at times double-checking his work. Spencer's professionalism, work ethic and attention to detail was off the charts! As "frontline" representatives of their company, I have no doubt I will be very pleased with All Seasons Pest Control for a long time to come. Kudos to Caleb and Spencer, and kudos to All Seasons for hiring such exemplary employees!"





+2

Serving O Fallon, MO and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Even though my dryer has not complained about the vent clogging up, I can't be assured that there won't be further problems because the people from Healthy Home Pest Control & Services cleaned the dryer duct from the outside and did not do so from inside my house. I would have preferred to be there during the appointment. It's wonderful that I didn't even have to be home but I left work early and wasted my leave."



Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"Chris was so professional and so educated about these pest, would highly recommend him to anyone with pest problems! His price was very reasonable and does not over charge for things that are not necessary !!! Great guy!!!!"





+2

Serving O Fallon, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Small jobs welcome
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!\n




Serving O Fallon, MO and surrounding areas
Approved
In business since 2013
Free estimates
Credit card accepted
"The Pest Control employee arrived earlier than told. He went to work outside and then inside. He asked questions about were the bug problem was the worst. He was very polite and informative."





+2
Serving O Fallon, MO and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
"Great service. I will recommend Zero Pest Control to friends relatives. I THELMA TATE REQUEST YOUR COMPANY DO NOT SHARE MY EMAIL OR ANY OTHER INFORMATION ABOUT ME TO ANYONE."
Serving O Fallon, MO and surrounding areas
Approved
In business since 2014
Free estimates
Customers say: Terrific value
"Excellent service provided. They worked extremely hard to clear a very overgrown garden. Delighted with the work and will be getting them back to maintain the garden. Would definitely recommend"


Serving O Fallon, MO and surrounding areas
Approved
In business since 2020
Free estimates
"John was very quick to respond and immediately helped me with my bat problem. He did a very thorough inspection of my problem areas, quickly wrote up a quote and was able to get the work done in just a few hours."

Serving O Fallon, MO and surrounding areas
Approved
In business since 2005
Free estimates
Credit card accepted
We are a professional lawn care company specializing in fertilization, weed control, and seasonal turf treatments designed to keep your lawn healthy, green, and thriving year-round. Our customized programs target common lawn issues such as weeds, insects, and disease while strengthening soil health for long-term results. We pride ourselves on dependable service, clear communication, and measurable improvements with every visit. Whether you're looking to revive a struggling lawn or maintain a beautiful one, our team delivers consistent, professional care you can trust.\n



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