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ContractorsRanked

Best Plumbers in Signal Hill, CA (2026)

1,753 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Signal Hill: Prodigy Plumbing | Long Beach Plumber, CR Score 92/100; 4.8★ from 955 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Mr. Rooter Plumbing of Long Beach, posts 24/7 hours; ranked #2 of 1,753.

  3. 23

    Most-reviewed: Barker and Sons Plumbing & Rooter, 3,896 Google reviews at 4.8★, the most of 1,753 ranked; ranked #23.

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

1,753 Signal Hill plumbers are ranked here by CR Score, from 8 published factors. 929 are open 24/7, 1,438 open Saturdays and 1,155 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,753 rated businesses.

Top 10 plumbers in Signal Hill at a glance

Top 10 plumbers in Signal Hill at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Prodigy Plumbing | Long Beach Plumber924.8★ (955)Long Beach, 1 mi away24/7Overall
2Mr. Rooter Plumbing of Long Beach924.9★ (1,140)Long Beach, 5 mi away24/7Emergencies
3Orange Coast Plumbing925.0★ (296)Cypress, 1 mi away24/7—
4PDS Plumbing and Air925.0★ (471)Bellflower, 6 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup914.8★ (691)Long Beach, 2 mi away24/7—
6Cisco's Plumbing Inc915.0★ (463)Carson, 8 mi away24/7—
7Mullen Plumbing Inc.915.0★ (159)Long Beach, 2 mi away24/7—
8Orange Coast Plumbing915.0★ (256)Hawaiian Gardens, 5 mi away24/7—
9A1 Best Plumbing - Long Beach Plumbing914.9★ (170)Long Beach, 1 mi away24/7—
10Advance Mechanical Contractors914.9★ (161)Signal Hill24/7—

The 1,753 best plumbers in Signal Hill, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

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

  17. #17 Beach Plumbing

    Based in Cypress, 8 mi away

    90/100CR Score

    Ranked #17 because of its Google rating and availability: 4.9★ from 329 Google reviews, open 24/7.

    • 4.9★ from 329 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10532 Walker St # A, Cypress, CA 90630
    View profile for Beach Plumbing(714) 439-9556

  21. #21 Beach Plumbing

    Based in Long Beach, 1 mi away

    90/100CR Score

    Ranked #21 because of its Google rating and availability: 4.9★ from 95 Google reviews, open 24/7.

    • 4.9★ from 95 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3450 E Spring St UNIT 114, Long Beach, CA 90806
    View profile for Beach Plumbing(562) 280-7889

  25. #25 Plumbco

    Based in Encino, 8 mi away

    89/100CR Score

    Ranked #25 because of its Google rating and availability: 5.0★ from 173 Google reviews, open 24/7.

    • 5.0★ from 173 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Plumbco(818) 625-7772

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 1,753 ranked plumbers here; the rest are on their profiles.

plumbers in Signal Hill, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Pro Plumbers Inc Long Beach, CA894.9★ (144)4 mi
27The Family Plumber894.9★ (192)6 mi
28Plumber Rafael Signal Hill895.0★ (53)In Signal Hill
29Rooter and Beyond Plumbing Inc894.9★ (208)6 mi
30Goodboy Plumbing895.0★ (93)4 mi
31Ser Plumbing Inc895.0★ (114)6 mi
32Wish Granted Plumbing895.0★ (292)12 mi
33Top Shelf Plumbing Solutions895.0★ (261)12 mi
34Parzival Plumbing894.9★ (1,014)17 mi
35Roto-Rooter Plumbing & Water Cleanup894.8★ (527)10 mi
36SJ Plumbing894.9★ (171)7 mi
37VK Plumbing And Rooter Service895.0★ (51)1 mi
38Fanti Sewer & Drains895.0★ (102)6 mi
39Camco Rooter895.0★ (134)8 mi
40Roto-Rooter Plumbing & Water Cleanup894.9★ (417)12 mi
41Soo Hipp Plumbing and Drains of Cerritos894.9★ (123)5 mi
42Carlson Plumbing Pros895.0★ (364)15 mi
43Do It Right Plumbers894.8★ (1,980)18 mi
44Rooter Hero Plumbing & Air of Anaheim894.8★ (1,233)15 mi
45V-Max Plumbing894.9★ (131)6 mi
46A-Plus Plumbers Long beach895.0★ (54)3 mi
47Big League Plumbing & Rooter Inc894.9★ (173)8 mi
48Devan Plumbing Service895.0★ (50)3 mi
49Speedy Plumbers Long Beach CA894.9★ (67)3 mi
50Jcsantos562_drainservicesandrepair895.0★ (84)1 mi

Also serving Signal Hill

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 Signal Hill
BusinessGoogle ratingDistance
A-1 Performance Rooter & Plumbing5.0★ (2)1 mi
Absolute Airflow Air Conditioning, Heating and Plumbing4.8★ (4,319)9 mi
All Tomorrow's PlumbingIn Signal Hill
Ariel's Plumbing Inc5.0★ (2)In Signal Hill
Best City Rooter5.0★ (2)1 mi
Chavez Plumbing & Rooter Inc4.8★ (172)6 mi
Clifford Family Plumbing3.0★ (2)4 mi
Dominic's Drains5.0★ (2)2 mi
Ferrari Backflow Inc.3.0★ (2)2 mi
FlowFix Pro Services5.0★ (2)1 mi
Helpful Plumbing5.0★ (2)1 mi
Herrera's Plumbing3.0★ (2)2 mi
LBC Handyman5.0★ (2)1 mi
Leak Detection Specialist5.0★ (127)8 mi
Major League Plumbing4.9★ (264)10 mi
McCauley Bros PlumbingIn Signal Hill
Pacific Coast Backflow Services LLC5.0★ (2)In Signal Hill
Twin Home Experts - Long Beach1.0★ (2)3 mi
williamthomasplumbing4.0★ (2)2 mi
WiseWay Plumbing4.9★ (522)10 mi

How much do plumbers cost in Signal Hill?

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

How much do plumbers cost in Signal Hill?
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 Signal Hill plumbers

We scored 1,753 Signal Hill plumbers on 8 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. Unknown factors are left out of the score, 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 Signal Hill data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Signal Hill: frequently asked questions

Who is the best plumber in Signal Hill?

By CR Score, the highest-ranked plumber in Signal Hill, CA is Prodigy Plumbing | Long Beach Plumber with a CR Score of 92/100. It has 4.8★ from 955 Google reviews. It is open 24/7. Mr. Rooter Plumbing of Long Beach (#2) and Orange Coast Plumbing (#3) follow. We ranked 1,753 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Signal Hill?

ContractorsRanked ranks 1,753 plumbers serving Signal Hill, CA. 4 of them are based in Signal Hill; 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 Signal Hill are open 24/7?

929 ranked plumbers in Signal Hill post 24/7 hours. The highest-ranked are Prodigy Plumbing | Long Beach Plumber (#1), Mr. Rooter Plumbing of Long Beach (#2) and Orange Coast Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Signal Hill work on weekends?

1,438 of 1,753 ranked plumbers post Saturday hours and 1,155 post Sunday hours. The highest-ranked open Saturdays are Prodigy Plumbing | Long Beach Plumber (#1), Mr. Rooter Plumbing of Long Beach (#2) and Orange Coast Plumbing (#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 Signal Hill?

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 Signal Hill. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Signal Hill plumbers have?

The median Google rating among 1,753 rated plumbers in Signal Hill is 5.0★, with a median of 19 reviews. Barker and Sons Plumbing & Rooter has the most, 3,896 reviews, and ranks #23. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Signal Hill

  1. October 2026: CR Scores recalculated for 1,753 plumbers serving Signal Hill.
  2. October 2026: 27 duplicate listings merged.

More plumbers and Signal Hill pages

Other trades in Signal Hill