New South Wales · October 2026 figures
Best drainage & septic specialists in New South Wales
The top-ranked drainage & septic specialists in New South Wales are Sherlock Drains in Caringbah, Sydney (5.0 from 244 reviews), Sewer Surgeon in Forest Lodge, Sydney (4.9 from 491 reviews) and Jet Blaster Man Plumbing & Blocked Drain Specialist in Newcastle (4.9 from 288 reviews). 34 are ranked across 2 cities and towns in NSW.
- Ranked in NSW
- 34
- Median rating
- 4.9
- Reviews behind them
- 2,014
- Open Saturday
- 26 of 32
The 34 best drainage & septic specialists in New South Wales
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Drainage & Septic Specialists by city in New South Wales
Drainage & Septic Specialists at a glance
- 34 drainage & septic specialists in New South Wales are ranked here, with 2,014 Google reviews between them and a median rating of 4.9.
- 97% list a website and 100% a phone number on Google.
- 26 of the 32 that list opening hours open on Saturday, and 21 on Sunday.
- 20 list round-the-clock hours, every day of the week.
- Sewer Surgeon in Forest Lodge has the most Google reviews (491), averaging 4.9.
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Questions
Who are the best drainage & septic specialists in New South Wales?
The top-ranked drainage & septic specialists in New South Wales are Sherlock Drains (5.0 from 244 reviews), Sewer Surgeon (4.9 from 491 reviews) and Jet Blaster Man Plumbing & Blocked Drain Specialist (4.9 from 288 reviews). Each is ranked by proven rating, its Google rating weighted by the number of reviews behind it.
How many drainage & septic specialists are there in New South Wales?
The Agentize Directory ranks 34 drainage & septic specialists in New South Wales, each with a Google rating from at least five reviews. Their median rating is 4.9, from 2,014 reviews in all.
Which drainage & septic specialists in New South Wales are open on weekends?
21 of the 32 that list hours on Google open on both Saturday and Sunday. The highest ranked of them are Sherlock Drains, Sewer Surgeon and Jet Blaster Man Plumbing & Blocked Drain Specialist.
Which drainage & septic specialists in New South Wales are open 24 hours?
Sherlock Drains, Sewer Surgeon, Jet Blaster Man Plumbing & Blocked Drain Specialist, Eagle Plumbing 24/7 and ANU Plumbing Services North Rocks Sydney and 15 more list round-the-clock hours every day on Google. Call ahead to confirm.
Which drainage specialist in New South Wales has the most reviews?
Sewer Surgeon has the most Google reviews of any drainage specialist ranked in New South Wales: 491, averaging 4.9.
How is this list of drainage & septic specialists ranked?
Every list is ranked by proven rating: a business's Google rating weighted by the reviews behind it, so a perfect score from five reviews cannot outrank a near-perfect one from five hundred. No business pays to be listed or to move up. How the ranking works.
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.