Best blocked drain plumbers in Pennant Hills
Last updatedC.S Crown Plumbing leads this list because it lists CCTV drain inspections and sewer line repairs alongside 24/7 call-outs. The blocked drain plumbers in Pennant Hills differ most in their tools and where they are based, with some based in the suburb and others nearby. Choose by the job you have, whether you need someone after hours, and whether you want a licence number before you book.
Quick picks in Pennant Hills
- Best for a camera check before clearing: C.S Crown Plumbing offers CCTV drain inspections along with blocked toilets.
- Best for drains that keep blocking: Twenty47 Plumbing relines pipes, and root-blocked drain customers say the work held.
- Best for hydro-jetting in Hornsby: O'Brien Plumbing runs hydro-jetting gear and video inspections from its Hornsby base.
- Best for commercial and hospitality drains: Watermark Plumbing takes commercial and hospitality jobs and lists blocked sewers.
- Best for a Pennant Hills base: A to Z Plumbing operates from the suburb and has traded for over 40 years.
Best blocked drain plumbers in Pennant Hills, ranked

#1C.S Crown Plumbing for CCTV drain inspections and blocked toilets
24/7Based in Quakers HillC.S Crown Plumbing operates from Quakers Hill and covers Pennant Hills, and its jobs include CCTV drain inspections, blocked drains and toilets, and sewer line repairs. Its emergency team takes calls across Sydney, burst pipes included. Its details carry no licence number, so ask for one at the start of the call. Homeowners who have used the team mention clear explanations of the problem and the choices before work begins. The call-out charge isn't listed, so put the question to them when you phone.

#2Twenty47 Plumbing for drains that keep blocking, fixed by relining
24/7Licence publishedBased in North RocksTwenty47 Plumbing is a North Rocks firm that uses pipe relining when drains keep blocking. Emergency work is available at any hour, and pricing is per job rather than hourly. Licence 247398C appears on its listing. The business is based in North Rocks and covers Pennant Hills, and it also takes on leak detection and hot water replacements. Locals with root-blocked or stubborn drains report that the relining and clearing held. The company's terms say blocked drains are cleared or the visit costs nothing, so confirm those terms before the visit.

#3Watermark Plumbing for commercial and hospitality drains
24/7Licence publishedBased in ChatswoodWatermark Plumbing is a Chatswood firm that takes commercial and hospitality jobs as well as homes. Its services include pipe relining, blocked stormwater, blocked sewers and backflow testing. Licence 96592C is held by the business. It is based in Chatswood and covers Pennant Hills, and emergency work runs round the clock across Sydney through an after-hours team. A call-out charge applies to cover travel to and from the job, so ask about it when you book.

#4Fusion Plumbing for blocked drain clearing and stormwater repairs
24/7Based in BlacktownFusion Plumbing is a Blacktown company set up in 2006 by Kevin Kelly, with five licensed tradesmen on staff. Its work runs from clearing drains to converting sewers, with stormwater repairs in between. It is based in Blacktown and covers Pennant Hills. No licence number is posted, and prices aren't fixed in advance. Zero call-out fees apply, so request a free, no-obligation estimate before agreeing to any larger job.

#5O'Brien Plumbing for hydro-jetting and video drain inspections
24/7Licence publishedBased in HornsbyO'Brien Plumbing is a family-run, locally owned company based in Hornsby. It uses video cameras to inspect stormwater and sewer lines, clears them with hydro-jetting gear, and relines pipes. Licence 311087C is shown. Its 24/7 emergency crew can typically reach a site in 30-60 minutes, and it charges a different rate for calls from 5pm to 7am and on weekends. It is based in Hornsby and covers Pennant Hills. Homeowners report punctual, professional visits.

#6A to Z Plumbing for blocked drains cleared with current technology
24/7Licence publishedA to Z Plumbing is a plumbing and gas fitting firm operating from Pennant Hills itself, and has been in business for more than 40 years. It clears blocked drains using modern drain equipment and also offers pipe relining, gas fitting and gutter and roof repairs. Licence 211179C is shown. Plumbing emergencies are covered for 24 hours a day, and gas call-outs run round the clock too. Its coverage is not set out by suburb, so ask whether your street is included. A $50 senior discount must be raised before the job starts.
Compare blocked drain plumbers in Pennant Hills
The table compares the plumbers on where they are based, emergency cover and whether they publish a licence number.
| Plumber | Based in | After hours | Licence | Google rating |
|---|---|---|---|---|
| C.S Crown Plumbing | Quakers Hill | 24/7 | โ | โ 5.0 (85) |
| Twenty47 Plumbing | North Rocks | 24/7 | โ | โ 4.9 (65) |
| Watermark Plumbing | Chatswood | 24/7 | โ | โ 4.8 (65) |
| Fusion Plumbing | Blacktown | 24/7 | โ | โ 4.8 (124) |
| O'Brien Plumbing | Hornsby | 24/7 | โ | โ |
| A to Z Plumbing | Pennant Hills | 24/7 | โ | โ 4.5 (79) |
| Hills Emergency Plumbing Pros | Castle Hill | 24/7 | โ | โ |
| One Hour Plumbing / Hot Water / Drains / Repairs and Installations | Brookvale | โ | โ | โ 4.1 (10) |
| East Coast Plumbers | Brookvale | 24/7 | โ | โ 5.0 (25) |
24/7* : listed as open 24 hours, but the business doesn't say 24/7 itself. Ratings show from 5 Google reviews.
How we picked blocked drain plumbers in Pennant Hills
Plumbers are ordered by customer feedback, weighted by how many customers gave it. Next came the after-hours work each firm states on its own pages, a licence number it publishes, a base in the suburb, and how its pages describe drain jobs.
Blocked drain plumbers in Pennant Hills: FAQ
Who answers blocked drain emergencies at night in Pennant Hills?
Pennant Hills plumbers here are all listed for 24/7 emergency work, so the deciding factors are the job and the price. O'Brien Plumbing charges a different rate for calls from 5pm to 7am and on weekends, so ask about it when you ring.
Which Pennant Hills plumbers can check a drain with a camera?
Camera inspections are listed by C.S Crown Plumbing, Watermark Plumbing and O'Brien Plumbing. Ask for one before any clearing if the blockage keeps coming back.
Do the plumbers here cover Pennant Hills?
Pennant Hills appears in the service areas of every plumber here except A to Z Plumbing, which gives no suburb list. Call and ask whether your street is included.