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Emergency Plumbers in O'Fallon, MO (2026)

Top 50 of 213 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

The short answer

  1. 1

    #1 for emergency plumbing in O'Fallon: Precision Plumbing Solutions, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency plumbers in O'Fallon at a glance

Top emergency plumbers in O'Fallon at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Precision Plumbing Solutions924.7★ (1,253)O'Fallon24/7
2Roto-Rooter Plumbing & Water Cleanup924.9★ (1,838)Wentzville, 8 mi away24/7
3Roto-Rooter Plumbing & Water Cleanup914.9★ (1,738)Saint Charles, 11 mi away24/7
4Roto-Rooter Plumbing & Water Cleanup914.9★ (2,557)Chesterfield, 13 mi away24/7
5Roto-Rooter Plumbing & Water Cleanup914.8★ (4,983)Hazelwood, 16 mi away24/7
6Able Rooter Plumbing & Drain Cleaning St. Louis905.0★ (1,008)East Saint Louis, 16 mi away24/7
7Roto-Rooter Plumbing & Water Cleanup904.9★ (1,474)Ballwin, 16 mi away24/7
8Hoffmann Brothers894.8★ (107)O'Fallon24/7
9Mr. Rooter Plumbing of St. Charles894.8★ (356)Saint Peters, 6 mi away24/7
10Hosack Plumbing, Heating & Cooling895.0★ (696)O'Fallon24/7

Call an emergency plumber in O'Fallon now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency plumbers in O'Fallon, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 213 is on the plumbers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  12. #12 Beis Plumbing

    Based in Valley Park, 21 mi away

    88/100CR Score

    Ranked #12 because of its Google rating and availability: 4.8★ from 1,790 Google reviews, open 24/7.

    • 4.8★ from 1,790 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    280 Vance Rd, Valley Park, MO 63088
    View profile for Beis Plumbing(314) 500-5325

Top 50 of 213 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

plumbers in O'Fallon, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Home Shield Foundation Repair855.0★ (265)In O'Fallon
27American Plumbing Solutions853.5★ (21)In O'Fallon
28Sparrow Plumbing and Drain Cleaning854.9★ (275)20 mi
29Shamrock Sewer & Drain844.8★ (304)25 mi
30Rooter-Man Plumbers844.2★ (5)4 mi
31Trusted Plumbers St.Peters Missouri845.0★ (4)5 mi
32Hosack Plumbing, Heating & Cooling845.0★ (34)17 mi
33Classic Aire Care844.9★ (4,820)19 mi
34Arch City Drain and Plumbing845.0★ (51)20 mi
35Plumber Squad of St Peters MO845.0★ (3)5 mi
36Tom Byrd Plumbing834.3★ (23)12 mi
37Castlewood Plumbing834.4★ (233)20 mi
38Greyson & Sons Water Heaters834.8★ (108)21 mi
39Linek Plumbing Company824.6★ (116)24 mi
40AA Quick Plumbing And Sewer824.0★ (177)17 mi
41Zoom Drain814.6★ (47)23 mi
42ABC Plumbing & Drain Services LLC814.2★ (21)13 mi
43USA Plumbing Plus814.2★ (33)19 mi
44Mid America Drain Services814.4★ (36)22 mi
45Right Now Plumbing803.9★ (145)19 mi
46C E Bollmeier Co Inc803.9★ (7)13 mi
47Hosack Plumbing, Heating & Cooling804.9★ (153)23 mi
48Plumber Guys of Ballwin805.0★ (3)17 mi
49All Star Pumping & Sewer Services804.3★ (29)19 mi
50DNS Plumbing and Drain803.9★ (36)21 mi

How we ranked emergency plumbers in O'Fallon

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency plumbers in O'Fallon: questions

Which plumbers in O'Fallon are open 24/7?

25 on this list post 24/7 hours, including Precision Plumbing Solutions, Roto-Rooter Plumbing & Water Cleanup, Roto-Rooter Plumbing & Water Cleanup, Roto-Rooter Plumbing & Water Cleanup and Roto-Rooter Plumbing & Water Cleanup.

Who is ranked #1 for emergency plumbing in O'Fallon, MO?

Precision Plumbing Solutions is #1, with a CR Score of 92 out of 100 on emergency weights.

How are emergency plumbers in O'Fallon ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the plumber arrives?

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

How many emergency plumbers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for O'Fallon

  1. October 2026: CR Scores recalculated for 213 plumbers serving O'Fallon.

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