Skip to content
ContractorsRanked

Best Plumbers in Nānākuli, HI (2026)

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

The short answer

  1. 1

    Best overall in Nānākuli: Roto-Rooter Plumbing & Water Cleanup, CR Score 93/100; 4.9★ from 1,483 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): A-1 Budget Plumbing, posts 24/7 hours; ranked #2 of 56.

  3. 3

    Most-reviewed: Steve’s Plumbing & A/C Service, 4,823 Google reviews at 4.8★, the most of 56 ranked; ranked #3.

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

56 Nānākuli plumbers are ranked here by CR Score, from 8 published factors. 22 are open 24/7, 35 open Saturdays and 29 open Sundays, based on posted hours. The median Google rating is 4.8★ across 56 rated businesses.

Most of this list also appears on the Plumbers in ‘Ewa Gentry ranking. See Plumbers in ‘Ewa Gentry

Top 10 plumbers in Nānākuli at a glance

Top 10 plumbers in Nānākuli at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup934.9★ (1,483)Kapolei, 7 mi away24/7Overall
2A-1 Budget Plumbing914.9★ (2,907)Kaneohe, 17 mi away24/7Emergencies
3Steve’s Plumbing & A/C Service914.8★ (4,823)Pearl City, 16 mi away24/7Most reviews
4All Aloha Plumbing and Drain Cleaning Oahu914.8★ (1,099)Waipahu, 9 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup904.8★ (2,138)Honolulu, 16 mi away24/7—
6Emergency Plumbing & Solar874.6★ (547)Pearl City, 12 mi away24/7—
7P & S Plumbing Honolulu865.0★ (120)Honolulu, 18 mi away24/7—
8Oahu Jetting and Drains LLC865.0★ (157)Kapolei, 9 mi awaySat · Sun · Evenings—
91-Tom-Plumber855.0★ (29)Schofield Barracks, 11 mi away24/7—
10United Drain Techs854.7★ (43)Kapolei, 9 mi away24/7—

The 56 best plumbers in Nānākuli, 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.

  9. #9 1-Tom-Plumber

    Based in Schofield Barracks, 11 mi away

    85/100CR Score

    Ranked #9 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.

    • 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

  12. #12 535 Plumbing LLC

    Based in Honolulu, 19 mi away

    85/100CR Score

    Ranked #12 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

  13. #13 Allens Plumbing

    Based in Honolulu, 18 mi away

    84/100CR Score

    Ranked #13 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

  24. #24 Furuta Plumbing

    Based in Kapolei, 13 mi away

    79/100CR Score

    Ranked #24 because of its Google rating and availability: 3.4★ from 33 Google reviews, open 24/7.

    • 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

Plumbers ranked #26 to #30

#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile. We publish the top 30 of 56 ranked plumbers here; the rest are on their profiles.

plumbers in Nānākuli, ranks 26 to 30
RankBusinessCR ScoreGoogle ratingDistance
26Hirayama Plumbing & Repair Services764.6★ (8)12 mi
27Hi-Tech Plumbing Corporation763.5★ (4)7 mi
28Gordon Mechanical Llc763.9★ (7)9 mi
29Alpha Plumbing Services765.0★ (4)9 mi
30Kaneohe Plumbing Services763.7★ (3)21 mi

How much do plumbers cost in Nānākuli?

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

How much do plumbers cost in Nānākuli?
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 Nānākuli plumbers

We scored 56 Nānākuli 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 Nānākuli 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 Nānākuli: frequently asked questions

Who is the best plumber in Nānākuli?

By CR Score, the highest-ranked plumber in Nānākuli, HI is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 93/100. It has 4.9★ from 1,483 Google reviews. It is open 24/7. A-1 Budget Plumbing (#2) and Steve’s Plumbing & A/C Service (#3) follow. We ranked 56 plumbers on 8 factors, last updated October 22, 2026.

Which plumbers in Nānākuli are open 24/7?

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

Which plumbers in Nānākuli work on weekends?

35 of 56 ranked plumbers post Saturday hours and 29 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), A-1 Budget Plumbing (#2) and Steve’s Plumbing & A/C Service (#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 Nānākuli?

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

What Google rating do Nānākuli plumbers have?

The median Google rating among 56 rated plumbers in Nānākuli is 4.8★, with a median of 10 reviews. Steve’s Plumbing & A/C Service has the most, 4,823 reviews, and ranks #3. 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.

Do plumbers outside Nānākuli count in this ranking?

Yes, if they are within 25 mi of the Nānākuli 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 Nānākuli

  1. October 2026: CR Scores recalculated for 56 plumbers serving Nānākuli.

More plumbers and Nānākuli pages

Other trades in Nānākuli