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ContractorsRanked

Best Plumbers in Lathrop, CA (2026)

194 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Lathrop: Roto-Rooter Plumbing & Water Cleanup, CR Score 65/100; 4.7★ from 1,664 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Discount Plumbing, posts 24/7 hours; ranked #2 of 194.

  3. 15

    Most-reviewed: DeHart Plumbing, Heating, and Air Inc., 2,293 Google reviews at 4.9★, the most of 194 ranked; ranked #15.

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

194 Lathrop plumbers are ranked here by CR Score, from ten published factors. 88 are open 24/7, 138 open Saturdays and 108 open Sundays, based on posted hours. The median Google rating is 4.9★ across 194 rated businesses.

Top 10 plumbers in Lathrop at a glance

Top 10 plumbers in Lathrop at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup654.7★ (1,664)Manteca, 4 mi away24/7Overall
2Discount Plumbing654.8★ (979)Stockton, 5 mi away24/7Emergencies
3Roto-Rooter Plumbing & Water Cleanup654.9★ (1,175)Tracy, 10 mi away24/7—
4Tony's Plumbing634.9★ (1,173)Modesto, 18 mi away24/7—
5Mr. Ed's Plumbing & Rooter Service624.9★ (357)Stockton, 11 mi away24/7—
6Noble Plumbing624.9★ (866)Modesto, 18 mi away24/7—
7Roto-Rooter Plumbing & Drain Services624.8★ (1,000)Modesto, 18 mi away24/7—
8Plumbing Services A +614.9★ (73)Manteca, 5 mi away24/7—
9City Water Conservation615.0★ (744)Modesto, 18 mi awaySat · Sun · Evenings—
10Tony's Plumbing - Stockton614.9★ (109)Stockton, 9 mi away24/7—

The 194 best plumbers in Lathrop, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

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

  2. #2 Discount Plumbing

    Based in Stockton, 5 mi away

    65/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.8★ from 979 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 979 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    202 Val Dervin Pkwy, Stockton, CA 95206
    View profile for Discount Plumbing(209) 227-3113

  4. #4 Tony's Plumbing

    Based in Modesto, 18 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,173 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 1,173 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1234 Woodland Ave, Modesto, CA 95351
    View profile for Tony's Plumbing(209) 778-3229

  6. #6 Noble Plumbing

    Based in Modesto, 18 mi away

    62/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.9★ from 866 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 866 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1219 Kansas Ave Ste #1, Modesto, CA 95351
    View profile for Noble Plumbing(209) 566-5420

  11. #11 Superdrain Inc.

    Based in Stockton, 9 mi away

    61/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 109 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 109 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1221 W Fremont St, Stockton, CA 95203
    View profile for Superdrain Inc.(209) 473-2121

  17. #17 Power Plumbin

    Based in Ceres, 13 mi away

    60/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 93 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Power Plumbin(209) 996-0421

  22. #22 209 plumbing

    Based in Lathrop

    59/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 24 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for 209 plumbing(209) 687-4367

  24. #24 Flow Pro Plumbing

    Based in Brentwood, 25 mi away

    59/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 879 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 879 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 10 AM–6 PM · Sun 8 AM–6 PM
    Address
    103 Technology Ct Suite H, Brentwood, CA 94513
    View profile for Flow Pro Plumbing(925) 435-1081

Plumbers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 194 ranked plumbers here; the rest are on their profiles.

plumbers in Lathrop, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Roto-Rooter Plumbing & Water Cleanup594.9★ (293)24 mi
27Emergency waterheater and plumbing595.0★ (7)In Lathrop
28Tracy Plumbing & Drain595.0★ (17)6 mi
29Filbert Plumbing & Drains595.0★ (26)9 mi
30Just Drains584.5★ (8)In Lathrop
31Knights Plumbing and Drain584.9★ (690)25 mi
32Roto-Rooter Plumbing & Water Cleanup584.5★ (111)12 mi
33P&M Prestigious Plumbing584.5★ (28)In Lathrop
34Discount Plumbing584.6★ (253)4 mi
35Drain and Water Plumbing Services585.0★ (5)In Lathrop
36Tony's Plumbing - Manteca585.0★ (9)4 mi
37Herk's Plumbing584.6★ (192)18 mi
38Mike's 24 hr Plumbing & Drain Cleaning and hydro jetting585.0★ (21)10 mi
39Orlando Plumbing of Manteca584.3★ (6)In Lathrop
40Aqua Pro Plumbing and Rooter, INC584.8★ (77)11 mi
41Simpson Plumbing584.9★ (362)9 mi
42KRB Appliance Repair584.2★ (33)In Lathrop
43Lester's Plumbing575.0★ (3)In Lathrop
44Emergency Plumbers 911 of Stockton575.0★ (3)In Lathrop
45Sissell Plumbing LLC574.3★ (3)In Lathrop
46Discount Plumbing574.5★ (58)14 mi
47Rooter Pro Plumbing573.7★ (3)In Lathrop
48AAA Septic Inc.574.7★ (28)3 mi
49Motherflushers Plumbing575.0★ (43)20 mi
50Andrade's Plumbing574.9★ (75)23 mi

Also serving Lathrop

20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked plumbers serving Lathrop
BusinessGoogle ratingDistance
American reliable plumbing4.9★ (25)15 mi
AvantEdge PlumbingIn Lathrop
CAL Plumbing LLC5.0★ (6)8 mi
Daniel & Son's Plumbing, LLC5.0★ (19)17 mi
Elmore Quality Plumbing5.0★ (45)24 mi
Excellence Rooter and Plumbing Inc5.0★ (28)19 mi
Garcia Bros PlumbingIn Lathrop
Johnny's Plumbing3.3★ (14)10 mi
M W Plumbing Inc.In Lathrop
McNulty Mechanical, Inc.5.0★ (2)14 mi
Oasis Plumber's Byron5.0★ (41)20 mi
PAYLO Plumbing5.0★ (2)17 mi
Royal Plumbing Sewer & Drain5.0★ (7)11 mi
SC Plumbing4.2★ (5)8 mi
Sunrise Building and Design5.0★ (1)In Lathrop
The Righteous Drain Cleaners and Plumbing Co.5.0★ (2)8 mi
Tony C. Construction & Plumbing5.0★ (2)In Lathrop
Valencia PlumbingIn Lathrop
VQZ PLUMBING INC.3.0★ (2)13 mi
Water Heater Repair Team of Tracy CA5.0★ (2)13 mi

How much do plumbers cost in Lathrop?

National price ranges in USD, not adjusted for Lathrop. Each row names its basis and the month we checked it.

How much do plumbers cost in Lathrop?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026

How to check a plumber's license in California

In California, Contractors State License Board (CSLB) licenses C-36 Plumbing contractor license.

Jobs of $1,000 or more in labor and materials (from January 1, 2025).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

How we ranked Lathrop plumbers

We scored 194 Lathrop plumbers on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

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 fromIn Lathrop data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Plumbers in Lathrop: frequently asked questions

Who is the best plumber in Lathrop?

By CR Score, the highest-ranked plumber in Lathrop, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 65/100. It has 4.7★ from 1,664 Google reviews. It is open 24/7. Discount Plumbing (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 194 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Lathrop?

ContractorsRanked ranks 194 plumbers serving Lathrop, CA. 15 of them are based in Lathrop; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Lathrop are open 24/7?

88 ranked plumbers in Lathrop post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Discount Plumbing (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Lathrop work on weekends?

138 of 194 ranked plumbers post Saturday hours and 108 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Discount Plumbing (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in California?

In California, Contractors State License Board (CSLB) handles licensing and covers C-36 Plumbing contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).

How much does water heater replacement cost in Lathrop?

Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Lathrop. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Lathrop plumbers have?

The median Google rating among 194 rated plumbers in Lathrop is 4.9★, with a median of 19 reviews. DeHart Plumbing, Heating, and Air Inc. has the most, 2,293 reviews, and ranks #15. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank plumbers?

Each plumber gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Lathrop

  1. October 2026: CR Scores recalculated for 194 plumbers serving Lathrop.
  2. October 2026: 4 duplicate listings merged.

More plumbers and Lathrop pages

Other trades in Lathrop