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Emergency Plumbers in San Marcos, CA (2026)

Top 50 of 646 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 San Marcos: Proactive 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 San Marcos at a glance

Top emergency plumbers in San Marcos at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Proactive Plumbing, Inc.645.0★ (493)Carlsbad, 4 mi away24/7
2Water Heaters Only, Inc645.0★ (366)Vista, 3 mi away24/7
3Pure Pro Plumbing644.8★ (507)Vista, 3 mi away24/7
4Roto-Rooter Plumbing & Water Cleanup634.9★ (352)Escondido, 4 mi away24/7
5Colepepper Plumbing634.7★ (1,612)San Diego, 10 mi away24/7
6Roto-Rooter Plumbing & Water Cleanup634.4★ (1,158)Vista, 4 mi away24/7
7Anderson Plumbing, Heating & Air634.8★ (2,810)San Marcos24/7
8Sherlock Plumbing, Heating & Air634.9★ (4,132)Carlsbad, 4 mi away24/7
9All American Plumbing Inc.635.0★ (1,470)Poway, 15 mi away24/7
10ARS / Rescue Rooter634.7★ (4,875)San Diego, 18 mi away24/7

Call an emergency plumber in San Marcos 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 San Marcos, 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 646 is on the plumbers page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  3. #3 Pure Pro Plumbing

    Based in Vista, 3 mi away

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 507 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 507 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2780 La Mirada Dr suite a, Vista, CA 92081
    View profile for Pure Pro Plumbing(442) 325-4181

  5. #5 Colepepper Plumbing

    Based in San Diego, 10 mi away

    63/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.7★ from 1,612 Google reviews, listed on Google as “Plumber”.

    • 4.7★ from 1,612 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11440 W Bernardo Ct STE 300, San Diego, CA 92127
    View profile for Colepepper Plumbing(619) 838-1322

  10. #10 ARS / Rescue Rooter

    Based in San Diego, 18 mi away

    63/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.7★ from 4,875 Google reviews, listed on Google as “Plumber”.

    • 4.7★ from 4,875 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9895 Olson Dr Suite B, San Diego, CA 92121
    View profile for ARS / Rescue Rooter(858) 522-9751

  15. #15 True Plumbing

    Based in Escondido, 4 mi away

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 195 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 195 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    748 S Vinewood St STE C, Escondido, CA 92029
    View profile for True Plumbing(760) 637-5355

Top 50 of 646 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 San Marcos, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Rooter Hero Plumbing & Air of San Diego614.8★ (1,109)16 mi
27Twin Plumbing615.0★ (331)12 mi
28Proper Plumbing | Emergency Plumber, Sewer Line Repair, Tankless Water Heater Repair & Installation Escondido, CA615.0★ (102)5 mi
29Plumbing Plus614.8★ (852)15 mi
30G&B Leak Finders Plumbing615.0★ (71)4 mi
31Rooter Hero Plumbing & Air614.9★ (208)9 mi
32Same Day Plumbing614.7★ (105)3 mi
33Bill Howe Plumbing, Heating and Air Conditioning, Restoration and Flood Services614.9★ (548)15 mi
34Hometown Plumbing614.3★ (218)3 mi
35DRAIN BOSS615.0★ (42)2 mi
36Point Loma Electric, Plumbing, Heating & Air614.9★ (1,546)22 mi
37Mr. Rooter Plumbing of Escondido614.9★ (60)4 mi
38Drains4Less Plumbing614.9★ (219)11 mi
39WATER HEATER ONLINE615.0★ (26)In San Marcos
40Roto-Rooter Sewer & Drain Cleaning Service604.5★ (94)4 mi
41All Around Plumbing and Re-pipe604.8★ (87)6 mi
42211 Plumbing & Drains605.0★ (34)3 mi
43California Plumbing604.9★ (816)21 mi
44Core Plumbing604.8★ (1,351)22 mi
45Craftsman Plumbing604.8★ (44)3 mi
46Trusted Water Systems605.0★ (261)16 mi
47Carmel Valley Plumbers605.0★ (195)14 mi
48Payless Water Heaters604.8★ (507)18 mi
49Quick Repair Quick Rooter605.0★ (118)12 mi
50Roto-Rooter Plumbing & Water Cleanup604.6★ (21)In San Marcos

How we ranked emergency plumbers in San Marcos

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. 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
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency plumbers in San Marcos: questions

Which plumbers in San Marcos are open 24/7?

25 on this list post 24/7 hours, including Proactive Plumbing, Inc., Water Heaters Only, Inc, Pure Pro Plumbing, Roto-Rooter Plumbing & Water Cleanup and Colepepper Plumbing.

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

Proactive Plumbing, Inc. is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency plumbers in San Marcos ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. 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 San Marcos

  1. October 2026: CR Scores recalculated for 646 plumbers serving San Marcos.
  2. October 2026: 5 duplicate listings merged.

More emergency and plumbing pages