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ContractorsRanked

Emergency Plumbers in O'Fallon, IL (2026)

Top 26 of 186 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 26 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: Roto-Rooter Plumbing & Water Cleanup, 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
1Roto-Rooter Plumbing & Water Cleanup924.8★ (2,790)Belleville, 7 mi away24/7
2CLEANSTREAM LLC915.0★ (202)O'Fallon24/7
3Embrich Plumbing Co.914.9★ (1,201)Maryville, 9 mi away24/7
4Roto-Rooter Plumbing & Water Cleanup914.8★ (5,589)St. Louis, 17 mi away24/7
5Morrison Plumbing, Heating, Air, & Electrical Services904.9★ (8,631)Collinsville, 9 mi away24/7
6Polar Plumbing, Heating & Air Conditioning905.0★ (197)Belleville, 5 mi away24/7
7Tiger Plumbing, Heating, Air Conditioning, & Electrical Services884.7★ (5,072)Collinsville, 8 mi away24/7
8Nolen Septic Services885.0★ (237)Edwardsville, 13 mi away24/7
9Culler Plumbing Services874.6★ (55)East Saint Louis, 2 mi away24/7
10A Davinroy Plumbing & Mechanical - Plumber in Belleville874.6★ (171)Belleville, 6 mi away24/7

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 26 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 186 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 Classic Aire Care

    Based in Fairview Heights, 4 mi away

    86/100CR Score

    Ranked #12 because of its Google rating and availability: 5.0★ from 1,160 Google reviews, open 24/7.

    • 5.0★ from 1,160 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13 Executive Dr Suite 15, Fairview Heights, IL 62208
    View profile for Classic Aire Care(618) 213-2690

  16. #16 BELOMAN

    Based in Belleville, 8 mi away

    85/100CR Score

    Ranked #16 because of its Google rating and availability: 4.9★ from 1,500 Google reviews, open 24/7.

    • 4.9★ from 1,500 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5909 Cool Sports Rd, Belleville, IL 62223
    View profile for BELOMAN(618) 235-6626

  19. #19 Darwyn's Plumbing

    Based in East Saint Louis, 13 mi away

    84/100CR Score

    Ranked #19 because of its Google rating and availability: 4.3★ from 215 Google reviews, open 24/7.

    • 4.3★ from 215 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2702 Camp Jackson Rd, Sauget, IL 62206
    View profile for Darwyn's Plumbing(618) 337-9322

Top 26 of 186 plumbers by emergency score

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

plumbers in O'Fallon, ranks 26 to 26
RankBusinessCR ScoreGoogle ratingDistance
26C & L Backhoe Services824.9★ (45)3 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 Roto-Rooter Plumbing & Water Cleanup, CLEANSTREAM LLC, Embrich Plumbing Co., Roto-Rooter Plumbing & Water Cleanup and Morrison Plumbing, Heating, Air, & Electrical Services.

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

Roto-Rooter Plumbing & Water Cleanup 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 186 plumbers serving O'Fallon.

More emergency and plumbing pages