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Best Plumbers in Hamilton

We assessed 18 plumbers in Hamilton and ranked the top 5 on their public review record: rating quality, review volume and how recent the reviews are. The 10 listed below hold 1,765 Google reviews between them. No business can pay for a place in these rankings. Last updated 5 August 2026. How we rank →

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Before you hire

Plumbers in NZ must be registered with the Plumbers, Gasfitters and Drainlayers Board. Check their registration before work starts, and make sure any gas work is carried out by a licensed gasfitter. Get a written quote that covers parts and labour.

Top 5 Plumbers in Hamilton

The top 5 plumbers in Hamilton are Optiplumb, JT Carter, iPlumber, CJ Cant Plumbing, and KZN Plumbing, ranked by Top5 score. Scroll for our take on each, plus what to ask before you book.

  • 1

    Optiplumb Ltd | Hamilton Plumbers

    ★ 5.0 444 reviews +25 Top5 Score 190 +3
    5★ 429 4★ 12 3★ 2 1★ 1

    Optiplumb turns around urgent jobs fast, covering blocked drains, hot water cylinder replacements, leak repairs, and after-hours emergencies including a marae tangihanga with over 100 people on site. Technicians like Connor, Matt, and Cam are named repeatedly for clear explanations, sourcing parts on the day, and resolving issues within hours of arrival.

    Reviews most often describe: Urgent call-outs and same-day plumbing repairs

    • ✓ After-hours phone answered immediately for urgent plumbing emergencies
    • ✓ Parts sourced and repairs completed within the same day
    • ✓ Technicians explain the problem clearly before and during the job

    location_on 1/46B Northway Street, Te Rapa, Hamilton

    map Map Is this your business?
  • 2

    JT Carter Plumbers Hamilton

    ★ 4.9 411 reviews +26 Top5 Score 189 +2
    5★ 368 4★ 39 3★ 2 2★ 1 1★ 1

    JT Carter gets plumbers out fast for urgent work like leaking water mains, and has built a following among clients who call them back repeatedly across years of ongoing jobs. Plumbers like Liam and Clayton are named for taking time to explain what they found, answering questions on site, and showing up on public holidays and long weekends when others won't.

    Reviews most often describe: Households wanting a dependable plumber for recurring issues

    • ✓ Plumbers respond quickly even on public holidays and long weekends
    • ✓ Plumbers named by customers for thorough on-site explanations
    • ✓ Long-term clients return repeatedly over many years of jobs

    location_on 282 Kahikatea Drive, Frankton, Hamilton

    map Map Is this your business?
  • 3

    iPlumber Limited

    ↑ 1
    ★ 4.9 219 reviews +2 Top5 Score 172 +3
    5★ 201 4★ 13 2★ 3 1★ 2

    iPlumber covers toilet replacements, waste disposal units, tap and faucet work, laundry faults, and downpipe repairs, with same-day and next-morning slots available for urgent bookings. Plumbers like Shane and Ryan send photos with invoices and quote upfront from photos before arriving, so there are no cost surprises on the day.

    Reviews most often describe: Same-day and short-notice plumbing and gas jobs

    • ✓ Provides upfront quotes including labour variations before arriving on site
    • ✓ Sends photos of completed work alongside the invoice
    • ✓ Fits urgent and same-day jobs within hours of booking request

    location_on 8/232 Ellis Street, Frankton, Hamilton

    map Map Is this your business?
  • 4

    C J Cant Plumbing Ltd

    ↓ 1
    ★ 4.8 196 reviews Top5 Score 168 -3
    5★ 169 4★ 19 3★ 1 2★ 2 1★ 5

    CJ Cant Plumbing resolves leaking water mains, blocked drains, cistern replacements, tap work, and laundry tub installations, with same-day attendance common across many jobs. Plumber Duncan is named across a wide spread of reviews for calling ahead, bringing the right tools, and advising on future pipe replacement so clients leave the visit with a clear picture of what comes next.

    Reviews most often describe: Jobs others have refused or said can't be done

    • ✓ Plumber calls client in advance to confirm arrival time
    • ✓ Same-day bookings fulfilled across a broad range of jobs
    • ✓ Takes on jobs other plumbers have assessed and turned away

    location_on 61 Colombo Street, Frankton, Hamilton

    map Map Is this your business?
  • 5

    KZN Plumbing - Hamilton

    ★ 4.9 118 reviews +9 Top5 Score 167 +1
    5★ 112 4★ 6

    KZN Plumbing reaches clients within minutes for urgent work, covering burst pipes inside walls, blocked drains, galvanised pipe replacements, and hot water cylinder installs. Len walks through options and pricing before starting, and on jobs where the scope turns out to be more complex than expected, explains what he found and why.

    Reviews most often describe: Fast response to emergencies and after-hours call-outs

    • ✓ Responds to after-hours and weekend call-outs, including Saturdays
    • ✓ Arrives within minutes for emergency plumbing work in Hamilton
    • ✓ Talks through options and gives honest price comparisons before starting

    location_on 17 Ravenscourt Place, Huntington, Hamilton

    map Map Is this your business?

Before you book a plumber in Hamilton

Drawn from 188 customer reviews collected for this page. The first answer is what it costs.

What do plumbers typically charge in New Zealand? expand_more

Licensed plumbers in New Zealand charge between $80 and $150 per hour plus GST for standard work. A separate call-out fee of $80 to $150 plus GST is common on top of that. Emergency or after-hours call-outs often cost $150 to $300 or more just for the call-out, before labour or materials. Hamilton rates sit toward the mid-range nationally, below Auckland and Wellington.

How do I check if a plumber is registered for the work I need? expand_more

The Plumbers, Gasfitters and Drainlayers Board (PGDB) maintains a public register at pgdb.co.nz where you can search any tradesperson by name or registration number before hiring them. Restricted sanitary plumbing, gasfitting, and drainlaying must legally be carried out or supervised by a registered practitioner under the Plumbers, Gasfitters, and Drainlayers Act 2006. A Certifying Plumber holds the highest registration level and can sign off their own work, while a Licensed Plumber must have their work certified by someone at that higher level. Ask for the registration number before work starts and confirm it matches the correct name and licence type on the PGDB register.

What's the difference between a quote and an estimate for plumbing work? expand_more

A quote locks in the price for the agreed scope of work, so the tradesperson cannot charge more unless the scope changes and you approve the variation in writing. An estimate is an informed guess and the final bill can be higher, sometimes significantly, if complications arise. Reviews highlight that transparent practitioners explain costs upfront, provide written quotes, and seek approval before proceeding when unexpected problems surface, such as finding a burst pipe inside a wall or additional blockages deeper in a drain. If a plumber gives you only a verbal estimate, ask for it in writing and confirm the process for notifying you before any extra work is carried out.

What are the warning signs of a plumber you shouldn't hire? expand_more
  • –Sending a report days after a visit without proactive communication in the meantime signals poor follow-through.
  • –Charging a fixed cancellation fee without showing you the actual costs incurred is a red flag on transparency.
  • –Claiming a job is done when it has not been completed, then correcting it only after repeated follow-up, is a serious trust issue.
  • –Quoting without GST stated clearly, then invoicing above that figure without explanation, suggests loose billing practices.
  • –Slow turnaround on documentation, such as taking seven working days to produce a nine-line letter, points to disorganised administration.
  • –Poor initial communication from reception staff handling technical questions can indicate the wider operation lacks systems to support customers effectively.
What should you ask before hiring a plumber? expand_more
  • –Ask whether they are registered with the Plumbers, Gasfitters and Drainlayers Board (PGDB) and request their registration number so you can verify it at pgdb.co.nz.
  • –Ask for a written, itemised quote rather than a verbal estimate, and confirm it includes GST and any call-out fee.
  • –Ask what their process is if they discover additional problems mid-job, and confirm they will contact you for approval before doing extra work.
  • –Ask about after-hours and weekend call-out rates separately, as these can be substantially higher than standard hourly charges.
  • –Ask whether they will handle any required building consents or permits, as some jobs such as installing a wood burner or replacing a hot water cylinder involve compliance paperwork.
  • –Ask whether they guarantee their workmanship and what the process is if a fault appears after the job is finished.

Plumbers ranked 6 to 10 in Hamilton

They scored below the top 5 on the same public review record.

  • 6

    Proflow Plumbing Services

    ↑ 1
    ★ 5.0 87 reviews +2 Top5 Score 161 +1
    5★ 87

    Proflow Plumbing covers bathroom renovations, hot water cylinder replacements, toilet installs, blocked drains, and hard-to-find water leaks, including jobs where multiple other plumbers have already attempted and failed. Jared brings specialist leak detection equipment, including infrared thermal imaging and acoustic underground detectors, that most plumbers do not carry, and follows up jobs with maintenance recommendations so clients know what to plan for next.

    Reviews most often describe: Difficult leak detection and complex renovation plumbing

    • ✓ Leaves work areas clean and tidy after every job completed
    • ✓ Provides detailed quotes with all work itemised before starting
    • ✓ Named for resolving leaks and faults other plumbers could not diagnose

    location_on 29 Hockly Road, Rotokauri, Hamilton

    map Map Is this your business?
  • 7

    Soda Plumbing - Hamilton Plumbers

    ↓ 1
    ★ 5.0 78 reviews Top5 Score 159 -2
    5★ 76 4★ 2

    Soda Plumbing is the team to call when the job needs to happen today, with burst copper pipes, blocked drains, and bathroom renovation work all completed within hours of the first phone call. Named plumbers like Rhys, Luke, Warren, and Reece show up on time, sort the problem without fuss, and leave clients with no need to chase.

    Reviews most often describe: Quick-turnaround jobs booked and completed same day

    • ✓ Phones answered and plumber on site within the same afternoon
    • ✓ Burst pipe and blocked drain repairs completed without return visits
    • ✓ Multiple named plumbers praised for being easy to deal with on site

    location_on 405 Borman Road, Flagstaff, Hamilton

    map Map Is this your business?
  • 8

    Hamilton Plumbing

    ★ 4.9 82 reviews +1 Top5 Score 157 +2
    5★ 75 4★ 4 3★ 2 1★ 1

    Hamilton Plumbing fixes hot water cylinder leaks, bathroom leaks, water main leaks, and awkward under-floor water pressure problems, with same-day completions reported across urgent call-outs. Named plumbers like James, Max, and JP are each flagged for diagnosing faults quickly on arrival and walking clients through what they are doing as the work progresses.

    Reviews most often describe: Hot water and leak jobs needing prompt, tidy tradespeople

    • ✓ Same-day completion reported across multiple urgent plumbing call-outs
    • ✓ Plumbers explain findings and talk clients through the work on site
    • ✓ Weekend availability confirmed by clients with urgent plumbing needs

    location_on 7 Peregrine Place, Frankton, Hamilton

    map Map Is this your business?
  • 9

    Pipe Masters Waikato

    ★ 5.0 44 reviews Top5 Score 154
    5★ 42 4★ 2

    Pipe Masters covers blocked drains, toilet replacements, insinkerator installs, soak holes, and drain pipe work across both residential and new builds. Named plumbers like Richard, Elijah, and Hayden are flagged for arriving on time, explaining drain layouts and options clearly, and returning on public holidays to keep projects on schedule.

    Reviews most often describe: Builds and long-term trade relationships needing consistent crews

    • ✓ Named plumbers arrive on time and leave the site tidy
    • ✓ Drain camera and water blaster used to map and clear blockages
    • ✓ Returned on a public holiday to complete a weather-delayed job
    map Map Is this your business?
  • 10

    C F Reese Plumbing - Waikato

    ★ 4.5 86 reviews Top5 Score 154
    5★ 73 4★ 1 3★ 1 1★ 11

    CF Reese takes on burst gas cylinders, blocked drains, water leaks, kitchen tap replacements, heat pump hot water cylinder installs, and water filtration systems across residential and commercial sites. Named plumbers like Sam, Duncan, Brad, and Josh are each flagged for turning up promptly, presenting options before starting, and staying on a problem until it is fully resolved.

    Reviews most often describe: Varied plumbing jobs handled start to finish, fast

    • ✓ Plumbers on site within minutes for urgent commercial leaks
    • ✓ Staff introduce themselves and clean up before leaving each job
    • ✓ 24/7 availability confirmed across multiple separate plumbing call-outs

    location_on 32 Euclid Avenue, Te Rapa, Hamilton

    map Map Is this your business?

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About this ranking

How are the top plumbers in Hamilton chosen? expand_more

We build this page from Google Maps results for plumbers in Hamilton. Each one is scored on its public rating and review record. Businesses outside the area, or whose reviews describe a different line of work, are left out. See how we rank for the full method.

How often are rankings updated? expand_more

Every category and city is recrawled on a rolling cycle, about once a month. This page was last checked on 5 August 2026.

Can a business pay to appear in this list? expand_more

No. Top 5 and Also Recommended positions are merit-only and cannot be purchased. Verifying a business is free. A subscription adds a website link on the card, a public profile page, and competitor and ranking history in the owner's dashboard, none of which affects ranking position. See what a subscription includes.

Why isn't my business listed? expand_more

We build this page from Google Maps results for plumbers in Hamilton. The usual reasons for missing out are a Google Business category that does not match, too few reviews to score near the top, or an address outside the area we cover. At the last update, the smallest review count among the 10 businesses listed here was 44. Check where you rank or read how rankings work.