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Emergency Plumbers in Glendora, CA (2026)

Top 50 of 1,052 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 Glendora: Top Notch Plumbing Inc., 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 Glendora at a glance

Top emergency plumbers in Glendora at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Top Notch Plumbing Inc.935.0★ (515)Covina, 3 mi away24/7
2Rooter Hero Plumbing & Air924.9★ (1,637)Pomona, 8 mi away24/7
3Western Rooter & Plumbing924.9★ (1,562)Arcadia, 9 mi away24/7
4Good News Plumbing & Drain924.9★ (237)Glendora24/7
5Rooter Hero Plumbing & Air of San Gabriel Valley914.9★ (926)Diamond Bar, 10 mi away24/7
6JB Plumbing914.8★ (396)San Dimas, 3 mi away24/7
7Courtesy Plumbing914.8★ (387)Covina, 3 mi away24/7
824 Rooter & Plumbing, Inc.915.0★ (346)Claremont, 7 mi away24/7
9Monkey Wrench Plumbing, Heating, Air & Electric914.9★ (253)Covina, 4 mi away24/7
10North Brothers Plumbing915.0★ (130)Altadena, 2 mi away24/7

Call an emergency plumber in Glendora 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 Glendora, 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 1,052 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.

  6. #6 JB Plumbing

    Based in San Dimas, 3 mi away

    91/100CR Score

    Ranked #6 because of its Google rating and availability: 4.8★ from 396 Google reviews, open 24/7.

    • 4.8★ from 396 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    515 W Allen Ave #13, San Dimas, CA 91773
    View profile for JB Plumbing(909) 592-8487

  15. #15 Option One Plumbing

    Based in Rancho Cucamonga, 17 mi away

    90/100CR Score

    Ranked #15 because of its Google rating and availability: 4.8★ from 3,017 Google reviews, open 24/7.

    • 4.8★ from 3,017 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10722 Arrow Route STE 602, Rancho Cucamonga, CA 91730
    View profile for Option One Plumbing(800) 905-7115

  18. #18 Merry Plumbing

    Based in San Marino, 14 mi away

    90/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 652 Google reviews, open 24/7.

    • 5.0★ from 652 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1465 San Marino Ave, San Marino, CA 91108
    View profile for Merry Plumbing(626) 414-5583

Top 50 of 1,052 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 Glendora, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26EZ Sewers Rooter and Plumbing895.0★ (130)8 mi
27Roto-Rooter Plumbing & Water Cleanup894.9★ (736)16 mi
28High Speed Plumbing of Arcadia894.9★ (182)9 mi
29Roto-Rooter Plumbing & Water Cleanup894.8★ (1,128)17 mi
30The Sewer Surgeon894.8★ (51)In Glendora
31High Speed Rooter & Plumbing894.8★ (362)11 mi
32Service Lion Plumbing Heating Air Electric894.7★ (1,173)15 mi
33Smart Choice Rooter895.0★ (68)5 mi
34Bow Tie Plumbing & Rooter895.0★ (334)15 mi
35Drain Great Plumbing Services895.0★ (94)8 mi
36Biard & Crockett Plumbing, Heating, and Air Conditioning884.9★ (1,715)23 mi
37AK Plumbing885.0★ (70)6 mi
38Do It Right Plumbers884.8★ (1,980)21 mi
39Mr. Rooter Plumbing of Pomona Valley884.9★ (131)9 mi
40Nolasco Plumbing, Inc.885.0★ (89)8 mi
41I Love Sewers Rooter And Plumbing Sewer Specialties Inc884.9★ (200)11 mi
42Ramco Plumbing Heating & Air885.0★ (262)15 mi
43Solace Plumbing Heating and Air884.8★ (319)12 mi
44The Rooter Company884.9★ (350)15 mi
45SOS Plumbing885.0★ (33)3 mi
46Plumber XP885.0★ (258)16 mi
47CA ROOTER AND PLUMBING884.8★ (73)5 mi
48Western Rooter & Plumbing884.9★ (147)11 mi
49AS Plumbing Mechanical885.0★ (618)22 mi
50Jerez Plumbing | Emergency Plumber, Hydrojetting, Drain Cleaning, and Tankless Water Heater Repair in La Puente, CA885.0★ (92)10 mi

How we ranked emergency plumbers in Glendora

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 Glendora: questions

Which plumbers in Glendora are open 24/7?

25 on this list post 24/7 hours, including Top Notch Plumbing Inc., Rooter Hero Plumbing & Air, Western Rooter & Plumbing, Good News Plumbing & Drain and Rooter Hero Plumbing & Air of San Gabriel Valley.

Who is ranked #1 for emergency plumbing in Glendora, CA?

Top Notch Plumbing Inc. is #1, with a CR Score of 93 out of 100 on emergency weights.

How are emergency plumbers in Glendora 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 Glendora

  1. October 2026: CR Scores recalculated for 1,052 plumbers serving Glendora.
  2. October 2026: 8 duplicate listings merged.

More emergency and plumbing pages