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Trades & construction · October 2026 figures

Drainage & Septic Specialists in Australia

The Agentize Directory ranks 147 drainage & septic specialists across 16 Australian cities and towns. The top-ranked nationally are Sherlock Drains in Sydney (5.0 from 244 reviews), Blocked Drains Perth in Perth (5.0 from 160 reviews) and Sewer Surgeon in Sydney (4.9 from 491 reviews).

Ranked
147
Cities and towns
16
Median rating
4.9
With a website
95%

Drainage & Septic Specialists at a glance

  • 95% of drainage & septic specialists in the directory list a website, 99% a phone number and 96% their opening hours.
  • 67% of those with hours open on Saturday and 55% on Sunday.
  • 62 list round-the-clock hours every day of the week.
  • Their median Google rating is 4.9, from 6,847 reviews in all.
  • Melbourne has the most (33), then Sydney (28) and Perth (15).
  • Of the cities with twenty or more, Melbourne has the highest median rating (4.9).
  • Sewer Surgeon in Sydney has the most Google reviews of any drainage specialist listed (491).

The ten best-proven drainage & septic specialists in Australia

  1. 1Sherlock DrainsCaringbah, Sydney · 5.0 from 244 · Proven 4.92
  2. 2Blocked Drains PerthPerth · 5.0 from 160 · Proven 4.89
  3. 3Sewer SurgeonForest Lodge, Sydney · 4.9 from 491 · Proven 4.87
  4. 4GC Septic Tank CleaningHealesville, Melbourne · 5.0 from 126 · Proven 4.86
  5. 5Septic Systems AustraliaKilsyth, Melbourne · 5.0 from 109 · Proven 4.84
  6. 6Jet Blaster Man Plumbing & Blocked Drain SpecialistNewcastle · 4.9 from 288 · Proven 4.84
  7. 7Eagle Plumbing 24/7Burraneer, Sydney · 5.0 from 103 · Proven 4.84
  8. 8Yarra Valley SepticsKilsyth, Melbourne · 4.9 from 254 · Proven 4.83
  9. 9Parker Plumbing Company IpswichChuwar, Ipswich · 4.9 from 224 · Proven 4.83
  10. 10Raptor Waste ManagementGold Coast · 5.0 from 91 · Proven 4.82

Drainage & Septic Specialists in New South Wales

Top drainage & septic specialists across New South Wales

Drainage & Septic Specialists in Victoria

Top drainage & septic specialists across Victoria

Drainage & Septic Specialists in Queensland

Top drainage & septic specialists across Queensland

Drainage & Septic Specialists in Western Australia

Top drainage & septic specialists across Western Australia

Drainage & Septic Specialists in South Australia

Drainage & Septic Specialists in Tasmania

Agentize for drainage & septic specialists

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Questions

Who are the best drainage & septic specialists in Australia?

The top-ranked nationally are Sherlock Drains in Sydney (5.0 from 244 reviews), Blocked Drains Perth in Perth (5.0 from 160 reviews) and Sewer Surgeon in Sydney (4.9 from 491 reviews). Each list is ranked city by city by proven rating, the Google rating weighted by the reviews behind it.

Which Australian city has the most drainage & septic specialists?

In the Agentize Directory, Melbourne has the most drainage & septic specialists (33), followed by Sydney (28), Perth (15) and Adelaide (12).

Where are drainage & septic specialists rated highest?

Among cities with at least twenty drainage & septic specialists listed, Melbourne has the highest median Google rating: 4.9 across 33 businesses.

How many drainage & septic specialists list their opening hours?

96% of the 147 drainage & septic specialists in the directory list opening hours on Google; of those, 67% open on Saturday and 55% on Sunday.

Ratings and review counts are Google's, as listed in October 2026. Phone numbers, websites and opening hours are the ones each business lists on Google. No business pays to be listed or to move up, and none is verified or endorsed by Agentize. How the ranking works.