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Best Plumbers in Mililani Town, HI (2026)

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

The short answer

  1. 1

    Best overall in Mililani Town: Steve’s Plumbing & A/C Service, CR Score 65/100; 4.8★ from 4,823 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): A-1 Budget Plumbing, posts 24/7 hours; ranked #2 of 57.

  3. 2

    Most-reviewed: A-1 Budget Plumbing, 2,907 Google reviews at 4.9★, the most of 57 ranked after Steve’s Plumbing & A/C Service; ranked #2.

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

57 Mililani Town plumbers are ranked here by CR Score, from ten published factors. 23 are open 24/7, 36 open Saturdays and 30 open Sundays, based on posted hours. The median Google rating is 4.9★ across 57 rated businesses.

Most of this list also appears on the Plumbers in Honolulu ranking. See Plumbers in Honolulu

Top 10 plumbers in Mililani Town at a glance

Top 10 plumbers in Mililani Town at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Steve’s Plumbing & A/C Service654.8★ (4,823)Pearl City, 9 mi away24/7Overall
2A-1 Budget Plumbing654.9★ (2,907)Kaneohe, 9 mi away24/7Emergencies, Most reviews
3All Aloha Plumbing and Drain Cleaning Oahu644.8★ (1,099)Waipahu, 5 mi away24/7—
4Roto-Rooter Plumbing & Water Cleanup644.9★ (1,483)Kapolei, 10 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup644.8★ (2,138)Honolulu, 11 mi away24/7—
6Emergency Plumbing & Solar624.6★ (547)Pearl City, 4 mi away24/7—
7535 Plumbing LLC604.9★ (612)Honolulu, 13 mi awaySat · Sun—
8Oahu Jetting and Drains LLC605.0★ (157)Kapolei, 8 mi awaySat · Sun · Evenings—
9P & S Plumbing Honolulu605.0★ (120)Honolulu, 12 mi away24/7—
10Allens Plumbing604.7★ (912)Honolulu, 12 mi awaySat · Sun—

The 57 best plumbers in Mililani Town, 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.

  7. #7 535 Plumbing LLC

    Based in Honolulu, 13 mi away

    60/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 612 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 612 Google reviews
    Hours
    Mon–Sun 8 AM–4:30 PM
    Address
    1130 N Nimitz Hwy Suite B-180, Honolulu, HI 96817
    View profile for 535 Plumbing LLC(808) 300-0535

  10. #10 Allens Plumbing

    Based in Honolulu, 12 mi away

    60/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.7★ from 912 Google reviews, listed on Google as “Plumber”.

    • 4.7★ from 912 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun 8 AM–6 PM
    Address
    401 Puuhale Rd, Honolulu, HI 96819
    View profile for Allens Plumbing(808) 599-5511

  11. #11 1-Tom-Plumber

    Based in Schofield Barracks, 3 mi away

    60/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 29 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    321 N Cane St Unit F, Wahiawa, HI 96786
    View profile for 1-Tom-Plumber(808) 562-3956

  13. #13 United Drain Techs

    Based in Kapolei, 8 mi away

    58/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 43 Google reviews, listed on Google as “Plumber”.

    • 4.7★ from 43 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    91-1075 Polea St, Ewa Beach, HI 96706
    View profile for United Drain Techs(808) 450-8922

  16. #16 Pro Pacific Plumbing

    Based in Pearl City, 1 mi away

    58/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.0★ from 9 Google reviews, listed on Google as “Plumber”.

    • 4.0★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    95-390 Kuahelani Ave #5011, Mililani, HI 96789
    View profile for Pro Pacific Plumbing(808) 201-0511

  17. #17 360 PLUMBING

    Based in Kaneohe, 4 mi away

    57/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for 360 PLUMBING(808) 501-7447

  23. #23 Furuta Plumbing

    Based in Kapolei, 6 mi away

    55/100CR Score

    Ranked #23 because of its Google rating and trade focus: 3.4★ from 33 Google reviews, listed on Google as “Plumber”.

    • 3.4★ from 33 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    98-023 Hekaha St #11, Aiea, HI 96701
    View profile for Furuta Plumbing(808) 546-0940

  25. #25 Pipeline Repair Co

    Based in Kaneohe, 4 mi away

    55/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.7★ from 17 Google reviews, listed on Google as “Plumber”.

    • 4.7★ from 17 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat 10 AM–8 PM · Sun closed
    View profile for Pipeline Repair Co

Plumbers ranked #26 to #38

#1 to #25 are shown in full above. Here are #26 to #38, in CR Score order; each links to its profile. We publish the top 38 of 57 ranked plumbers here; the rest are on their profiles.

plumbers in Mililani Town, ranks 26 to 38
RankBusinessCR ScoreGoogle ratingDistance
26Sage Plumbing, LLC.553.5★ (8)9 mi
28Emergency Drain Cleaning & Plumbing SVCS, LLC545.0★ (12)18 mi
29Blue Star Plumbing, LLC544.0★ (4)11 mi
30Hirayama Plumbing & Repair Services544.6★ (8)4 mi
31Kaneohe Plumbing Services543.7★ (3)12 mi
34Alpha Plumbing Services535.0★ (4)5 mi
38Plumbing Works Llc533.7★ (3)4 mi

How much do plumbers cost in Mililani Town?

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

How much do plumbers cost in Mililani Town?
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 Hawaii

In Hawaii, Hawaii Contractors License Board (DCCA) licenses C-37 plumbing specialty contractor license (plumbers are licensed by the Board of Electricians and Plumbers).

  1. Search the business name or license number on the Hawaii Contractors License Board (DCCA) 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 Mililani Town plumbers

We scored 57 Mililani Town 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 Mililani Town 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 Mililani Town: frequently asked questions

Who is the best plumber in Mililani Town?

By CR Score, the highest-ranked plumber in Mililani Town, HI is Steve’s Plumbing & A/C Service with a CR Score of 65/100. It has 4.8★ from 4,823 Google reviews. It is open 24/7. A-1 Budget Plumbing (#2) and All Aloha Plumbing and Drain Cleaning Oahu (#3) follow. We ranked 57 plumbers on ten factors, last updated October 22, 2026.

Which plumbers in Mililani Town are open 24/7?

23 ranked plumbers in Mililani Town post 24/7 hours. The highest-ranked are Steve’s Plumbing & A/C Service (#1), A-1 Budget Plumbing (#2) and All Aloha Plumbing and Drain Cleaning Oahu (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Mililani Town work on weekends?

36 of 57 ranked plumbers post Saturday hours and 30 post Sunday hours. The highest-ranked open Saturdays are Steve’s Plumbing & A/C Service (#1), A-1 Budget Plumbing (#2) and All Aloha Plumbing and Drain Cleaning Oahu (#3). Posted hours are office hours; crews may book weekend jobs separately.

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

In Hawaii, Hawaii Contractors License Board (DCCA) handles licensing and covers C-37 plumbing specialty contractor license (plumbers are licensed by the Board of Electricians and Plumbers). Search the business or license number at https://mypvl.dcca.hawaii.gov/public-license-search/.

How much does water heater replacement cost in Mililani Town?

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

What Google rating do Mililani Town plumbers have?

The median Google rating among 57 rated plumbers in Mililani Town is 4.9★, with a median of 10 reviews. Steve’s Plumbing & A/C Service has the most, 4,823 reviews, and ranks #1. 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.

Do plumbers outside Mililani Town count in this ranking?

Yes, if they are within 25 mi of the Mililani Town city center, our service radius for plumbers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Mililani Town

  1. October 2026: CR Scores recalculated for 57 plumbers serving Mililani Town.

More plumbers and Mililani Town pages

Other trades in Mililani Town