Saint Charles County, Missouri
Best Local Businesses in O'Fallon, MO
The top-ranked local businesses in O'Fallon across 14 categories — ranked by verified ratings and 46,497 customer reviews collected from across the internet.
140
Businesses ranked
14
Categories
4.89★
Avg. rating
46,497
Total reviews
Top-Rated in O'Fallon
The highest-scoring local businesses across all categories.
Stay Cool Climate Control
1,144 reviews
Buckingham Pest Control
1,026 reviews
Design Aire Heating and Cooling
877 reviews
Design Aire Heating and Cooling
877 reviews
River City Endodontics
697 reviews
Grasser Electric & Home Services
524 reviews
Browse by Category
See the full ranked list in each category.
Best Pest Control in O'Fallon
10 ranked
- 1Buckingham Pest Control⭐ 5.0
- 2Salvo's Pest & Termite Control, Inc⭐ 5.0
- 3Bug Out⭐ 5.0
Best Pool Service in O'Fallon
10 ranked
- 1Show Me State Pressure & Softwashing⭐ 5.0
- 2Just In Time⭐ 4.9
- 3St. Louis Billiard Repair⭐ 5.0
Best HVAC in O'Fallon
10 ranked
- 1Stay Cool Climate Control⭐ 5.0
- 2Design Aire Heating and Cooling⭐ 5.0
- 3Hoff Heating & AC⭐ 4.9
Best Plumbers in O'Fallon
10 ranked
- 1Faszold Heating and Cooling⭐ 4.9
- 2Hosack Plumbing, Heating & Cooling⭐ 4.9
- 3Hoffmann Brothers⭐ 4.9
Best Electricians in O'Fallon
10 ranked
- 1Design Aire Heating and Cooling⭐ 5.0
- 2Grasser Electric & Home Services⭐ 5.0
- 3Infinity Electric⭐ 5.0
Best Roofers in O'Fallon
10 ranked
- 1Brody Allen Exteriors⭐ 4.9
- 2Donovan Roofing & Construction⭐ 4.9
- 3Correll Roofing Co.⭐ 5.0
Best Tree Service in O'Fallon
10 ranked
- 1Rooted Arbor Care⭐ 5.0
- 2Provision Arbor Care⭐ 5.0
- 3Just In Time⭐ 4.9
Best Pressure Washing in O'Fallon
10 ranked
- 1Steen's Power Washing⭐ 5.0
- 2Exterior Cleaning Solutions STL⭐ 5.0
- 3Show Me State Pressure & Softwashing⭐ 5.0
Best House Cleaning in O'Fallon
10 ranked
- 1Show Me State Pressure & Softwashing⭐ 5.0
- 2The Mad Hatter Service Company⭐ 4.9
- 3CottageCare St. Charles⭐ 4.9
Best Moving Companies in O'Fallon
10 ranked
- 1A1 U Store It⭐ 4.9
- 2Extra Space Storage⭐ 4.9
- 3BigJExpress Moving & Logistics LLC⭐ 4.9
Best Attorneys in O'Fallon
10 ranked
- 1Welch Law LLC⭐ 5.0
- 2Traffic Law Counselors® 45BUCKS.com®⭐ 4.9
- 3Tim Lohmar Attorney at Law⭐ 4.9
Best Dentists in O'Fallon
10 ranked
- 1River City Endodontics⭐ 5.0
- 2Midpoint Dental⭐ 5.0
- 3Twin Oaks Family Dental⭐ 4.9
Best Real Estate Agents in O'Fallon
10 ranked
- 1The Chad Wilson Group⭐ 5.0
- 2Linda and Kelly Boehmer⭐ 5.0
- 3VIP Group⭐ 5.0
Best Gyms in O'Fallon
10 ranked
- 1Resilient Boxing⭐ 5.0
- 2Meraki For Life⭐ 5.0
- 3Fit Girl Fitness⭐ 5.0
ZIP Codes & Area Code in O'Fallon
O'Fallon, in Saint Charles County, is served by area codes 636 and 314 and covers 0 ZIP code.
Area Codes
ZIP Codes
O'Fallon FAQs
What are the best local businesses in O'Fallon, MO?+
MissouriBusinessesNearMe.com ranks the top local businesses in O'Fallon across 14 categories — including pest control, house cleaning, HVAC, plumbers, roofers, and dentists — based on verified ratings and review counts collected from across the internet.
How many businesses are ranked in O'Fallon?+
We currently rank 140 businesses in O'Fallon, Missouri across 14 service categories, with a combined 46,497 customer reviews.
What county is O'Fallon in?+
O'Fallon is located in Saint Charles County, Missouri.
What ZIP codes are in O'Fallon, MO?+
O'Fallon covers 0 ZIP code: .
What is the area code for O'Fallon, MO?+
O'Fallon is served by area codes 636 and 314.
How are O'Fallon business rankings determined?+
Each business is scored with a weighted formula that balances its star rating against its number of reviews, so a highly-rated business with many reviews ranks above one with only a few. Rankings use verified data collected from across the internet and are refreshed regularly.
What is the most-reviewed business in O'Fallon?+
Budget Heating, Cooling & Plumbing is among the most-reviewed in O'Fallon, with 6,317 reviews and a 4.8-star rating.
Is MissouriBusinessesNearMe.com free to use?+
Yes — browsing rankings and finding the best local businesses in O'Fallon is completely free, with no account required.