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 May 2026, RatingsNearMe ranks 11 plumbers in O'fallon, MO by verified customer ratings and review volume. The highest-rated is Arch Plumbing with a 4.9-star rating from 832 verified reviews. 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 May 17, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
11
Businesses listed
4.9★
Avg rating
1,357
Avg reviews
May 17, 2026
Last updated
Top Rated Plumbers
Arch Plumbing
11104 Veterans Memorial Pkwy, Lake St Louis, MO 63367, USA
Precision Plumbing Solutions
812 Midpoint Dr, O'Fallon, MO 63366, USA
Superior Service
101 Stag Industrial Blvd, Lake St Louis, MO 63367, USA
Plumbers 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 | Mr. Rooter Plumbing of St. Charles50 Triad South Dr Suite A, St Peters, MO 63304, USA | 4.9★ | 363 |
| #5 | Titan Plumbing & Water Filtration LLC8651 State Rte N Suite 100, Lake St Louis, MO 63367, USA | 5.0★ | 17 |
| #6 | Landmark Plumbing1288 Poseidon Ct, St Peters, MO 63376, USA | 5.0★ | 16 |
| #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 | Faszold Heating and Cooling1613 E Terra Ln, O'Fallon, MO 63366, USA | 4.9★ | 871 |
| #10 | Roto-Rooter Plumbing & Water Cleanup3715 Mueller Rd Ste A, St Charles, MO 63301, USA | 4.9★ | 1,791 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated May 2026
All Plumbers in O'fallon
Mr. Rooter Plumbing of St. Charles
50 Triad South Dr Suite A, St Peters, MO 63304, USA
Titan Plumbing & Water Filtration LLC
8651 State Rte N Suite 100, Lake St Louis, MO 63367, USA
Landmark Plumbing
1288 Poseidon Ct, St Peters, MO 63376, USA
AAA Home Services
827 W Terra Ln, O'Fallon, MO 63366, USA
Authority Plumbing & Drain
32018 Township Meadows, Warrenton, MO 63383, USA
Faszold Heating and Cooling
1613 E Terra Ln, O'Fallon, MO 63366, USA
Roto-Rooter Plumbing & Water Cleanup
3715 Mueller Rd Ste A, St Charles, MO 63301, USA
Budget Heating, Cooling & Plumbing
325 Mid Rivers Mall Dr, St Peters, MO 63376, USA
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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: May 17, 2026.
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