4.5+ Stars · O'fallon
Highly Rated Plumbers in O'fallon, MO
Only the best make this list. These plumbers in O'fallon have earned 4.5+ star ratings from real customers — consistently.
As of June 2026, RatingsNearMe ranks 11 plumbers in O'fallon, MO by the RNM Score — a 0–100 rating built from Google ratings, review volume, sentiment, and profile completeness. The top-ranked is Arch Plumbing with a 4.9-star rating from 832 Google reviews and an RNM Score of 98/100. Also in the top tier: Precision Plumbing Solutions and Superior Service. The average rating across all listed plumbers in O'fallon is 4.9 stars from 1,357 reviews per business on average.
Plumbing repairs in O'fallon average $150–$500 for common fixes. Emergency calls and major work (sewer line, water heater) run $500–$3,000+.
Rankings updated June 10, 2026 · RNM Score = ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Plumbers in O'Fallon, MO provide a range of residential and commercial plumbing services, including repairs, installations, and maintenance. Consumers should research local plumbers' qualifications, licenses, and customer reviews when searching for a reliable provider.
- ✓Residential and commercial plumbing services
- ✓Repairs, installations, and maintenance
- ✓Research plumber qualifications and customer reviews
Best Overall
Authority Plumbing & Drain
It consistently ranks as the top choice for plumbing services in O'Fallon due to its reliable service, excellent customer reviews, and comprehensive plumbing solutions.
Most Reviewed
AAA Home Services
A high review count indicates wide customer experience and trust, helping you gauge service consistency and quality.
Always verify licenses and insurance, request at least three estimates, and check recent reviews to ensure the plumber fits your specific needs and budget.
How to Choose a Plumber in O'fallon
What to look for
- • Licensed and insured plumber
- • Positive reviews and references from past customers
- • Upfront pricing and written estimates
- • Availability for prompt service
Questions to ask
- • Are you licensed and insured to work as a plumber in O'Fallon, MO?
- • How long have you been serving the O'Fallon area?
- • Can you provide references from recent local customers?
Red flags
- ⚠ Plumber unable to provide license or insurance information
- ⚠ Negative reviews citing poor workmanship or customer service
- ⚠ Vague or unclear pricing information
In Missouri, plumbers must be licensed by the state. Be sure to verify the plumber's license and check for any complaints or disciplinary actions.
Local Market Snapshot
11
Businesses listed
4.9★
Avg rating
1,357
Avg reviews
Jun 10, 2026
Last updated
Top Rated Plumbers
O'Fallon's top-rated plumber with a 4.9-star average from over 800 reviews.
11104 Veterans Memorial Pkwy, Lake St Louis, MO 63367, USA4.7 stars from over 1,300 reviews make them a trusted O'Fallon plumber.
812 Midpoint Dr, O'Fallon, MO 63366, USA5.0 stars from over 2,400 reviews, making them a trusted O'Fallon plumber.
101 Stag Industrial Blvd, Lake St Louis, MO 63367, USAPlumbers Rankings in O'fallon, MO
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | Arch Plumbing11104 Veterans Memorial Pkwy, Lake St Louis, MO 63367, USA | 4.9★ | 832 |
| #2 | Precision Plumbing Solutions812 Midpoint Dr, O'Fallon, MO 63366, USA | 4.7★ | 1,340 |
| #3 | Superior Service101 Stag Industrial Blvd, Lake St Louis, MO 63367, USA | 5.0★ | 2,457 |
| #4 | Landmark Plumbing1288 Poseidon Ct, St Peters, MO 63376, USA | 5.0★ | 16 |
| #5 | Roto-Rooter Plumbing & Water Cleanup3715 Mueller Rd Ste A, St Charles, MO 63301, USA | 4.9★ | 1,791 |
| #6 | Faszold Heating and Cooling1613 E Terra Ln, O'Fallon, MO 63366, USA | 4.9★ | 871 |
| #7 | AAA Home Services827 W Terra Ln, O'Fallon, MO 63366, USA | 4.7★ | 844 |
| #8 | Authority Plumbing & Drain32018 Township Meadows, Warrenton, MO 63383, USA | 4.9★ | 124 |
| #9 | Budget Heating, Cooling & Plumbing325 Mid Rivers Mall Dr, St Peters, MO 63376, USA | 4.8★ | 6,269 |
| #10 | Titan Plumbing & Water Filtration LLC8651 State Rte N Suite 100, Lake St Louis, MO 63367, USA | 5.0★ | 17 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All Plumbers in O'fallon
Top-rated O'Fallon plumber with a perfect 5.0-star rating from 16 reviews.
1288 Poseidon Ct, St Peters, MO 63376, USA
O'Fallon plumber with a 4.9-star rating from over 1,700 reviews.
3715 Mueller Rd Ste A, St Charles, MO 63301, USA
O'Fallon's top-rated plumber with 4.9 stars from 871 Google reviews.
1613 E Terra Ln, O'Fallon, MO 63366, USA
Trusted by hundreds of local customers, earning a strong 4.7-star rating.
827 W Terra Ln, O'Fallon, MO 63366, USA
O'Fallon's top-rated plumber holds a 4.9-star average from over 120 Google reviews.
32018 Township Meadows, Warrenton, MO 63383, USA
Rated 4.8 stars from over 6,000 verified customer reviews.
325 Mid Rivers Mall Dr, St Peters, MO 63376, USA
5.0 stars from 17 reviews, making it a top-rated local plumber.
8651 State Rte N Suite 100, Lake St Louis, MO 63367, USA
O'Fallon's top-rated plumber, with a 4.9-star average from over 360 reviews.
50 Triad South Dr Suite A, St Peters, MO 63304, USA
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Plumbers in O'fallon, MO — Compared
| # | Business | RNM Score | Rating | Reviews |
|---|---|---|---|---|
| 1 | Arch Plumbing | 98/100 | 4.9 ★ | 832 |
| 2 | Precision Plumbing Solutions | 95/100 | 4.7 ★ | 1,340 |
| 3 | Superior Service | 88/100 | 5.0 ★ | 2,457 |
| 4 | Landmark Plumbing | 74/100 | 5.0 ★ | 16 |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 87/100 | 4.9 ★ | 1,791 |
| 6 | Faszold Heating and Cooling | 87/100 | 4.9 ★ | 871 |
| 7 | AAA Home Services | 83/100 | 4.7 ★ | 844 |
| 8 | Authority Plumbing & Drain | 83/100 | 4.9 ★ | 124 |
| 9 | Budget Heating, Cooling & Plumbing | 85/100 | 4.8 ★ | 6,269 |
| 10 | Titan Plumbing & Water Filtration LLC | 74/100 | 5.0 ★ | 17 |
Ranked by RatingsNearMe Score · ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · June 2026
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Frequently Asked Questions — Plumbers in O'fallon
How do I find the best plumbers in O'fallon?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked plumbers in O'fallon on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are plumbers in O'fallon licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, MO requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do plumbers charge in O'fallon, MO?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a plumbers in O'fallon?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the plumbers on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every plumbers on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: June 10, 2026.
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