Penrith based • Plumbing & Excavations
“Five weeks of excavating and upgrading our stormwater drainage in knee-deep mud on our steep Mountains property.” — Pinou Barr, Google review
Plumbing and excavation from the one crew, so the same people dig the trench, lay the pipe and finish the job. The jobs described here come from customers’ own Google reviews.
Not sure what you need? Give Jack a callStormwater upgrades, new pipes and pits, and on-site detention. One customer’s job on a steep Mountains block ran five weeks in knee-deep mud and still came in within the agreed timeframe and below budget.
EnquireTrenching, site cuts and pit installation, with a mini excavator for tight and confined spaces. The crew digs it and plumbs it, so there’s no waiting on a second contractor.
EnquireRough-in and fit-off, toilets, vanities, tapware and shower heads. Customers have had whole small bathrooms and rental property renos plumbed start to finish.
EnquireBlocked drains and sewers, leaking toilets and taps, and storm flooding. A busy hotel had Jack in on the same day for an urgent repair.
EnquireAlso handled in-house
A stormwater job in the Blue Mountains that threw everything at the crew: heavy rain, and solid rock right through the excavation. They stayed on track and finished it to plan.
From the Harkai&Co Instagram
Forty-seven Google reviews, every one of them five stars. The same things come up again and again: they get back to you, they turn up when they say, and they finish the job when the weather turns.
“Jack was the only person that got back to me!”
“They never needed chasing, always turned up when expected, and often even got ahead of schedule.”
“Despite the weather and site conditions making the job more difficult, Jack and his team worked through and completed the project.”
“They also explained what had happened and made sure we were happy with the remedy.”
Harkai Plumbing started in Penrith in 2022 with Jack on the tools. In January 2025 it became Harkai&Co Plumbing and Excavations, and took on the digging as well as the plumbing: stormwater, trenching, pits and site cuts.
Jack and James are the two direct lines. In 2026 the business was named a finalist in the Penrith City Local Business Awards.
Bathrooms, trenching and repairs from recent Harkai&Co jobs.
"They handled the excavation and installation of new stormwater pipes and pits, two rainwater tanks along with a full onsite water detention and filtration system, and the entire process was seamless from start to finish. James and the team were extremely experienced, efficient, and highly competent."
"We truly put these guys through their paces - five weeks of excavating and upgrading our stormwater drainage in knee-deep mud on our steep Mountains property. They showed up with a smile every single day and got the job done to a high standard, well within the agreed timeframe and below budget."
"A massive thank you to Jack and his team for promptly coming out after some flooding in our outdoor living area after a big storm. Not only was his team efficient in fixing the issue, they also explained what had happened and made sure we were happy with the remedy."
"Jack was able to fit us in on the same day for an urgent repair. As a very busy hotel we needed someone who was super reliable- and that's exactly what we found."
"I have been in the construction industry for over 50yrs. I know tradies can promise ''the world''. Jack was always contactable & was always punctual. Jack cleaned up and advised on products and systems in a very professional manner."
"Honestly cant go past these guys - they have been a bloody godsend - we moved here 2 months ago to a multitude of drainage and gas supply problems and they solved every single one without issue."
reviews on Google, averaging 5.0 out of 5.
Read them allExcavation, stormwater, bathrooms, and where the crew works.
Give Jack a call on 0481 705 221, or send the details through and we’ll come back to you.
Call 0481 705 221Harkai&Co is based in Penrith and works across Penrith, Emu Plains, Glenbrook and up into the Mountains. If you’re not sure whether the crew gets out to you, ring and ask.
Call Jack direct on 0481 705 221, or send through the details of your job below.
Send through your job details and the team will come back to you.
