O'Hagan Contracting
For a straight-up, no-nonsense approach to your water tanks, septic tanks, drainage & contracting needs.
O’Hagan Contracting Ltd have the machinery, skills, versatility and experience to help deal with all your Septic Tank and Drainage concerns.
Locally owned and operated, Shane and the team are Council Approved Installers, which means you can be sure your job will deliver top-quality outcomes with no fuss or hassle, leaving you to get on with the next phase.
O’Hagan Contracting Ltd work on a wide range of jobs both as sub-contractors for larger projects and on small jobs such as residential private houses and smaller sub-divisions. Call today to find out just how easy it is to deal with them and get the results you need!

Our Services Include:
Septic Tanks
ExpandWe have been installing and servicing septic tanks for more than 20yrs. If it’s a new septic tank and/or repairs to an existing tank we are the team. Being the number one installer for Oasis Clearwater for all of NZ we have the after sales backing from one of the best in the market. Explore Septic Tank Services »
Drains & Land Drainage
ExpandDrains for a new build house, commercial development or a large open drain for your paddock we have the knowledge and solutions. We have wide range of plant to get the best outcome and get the water where it needs to go.
Street Connections
ExpandO’Hagan Contracting are Approved Contractors to preform street connections in Palmerston North, Manawatu, Rangitikei and Tararua Regions. So if you have a development in these areas O’Hagan Contracting is keen to talk.
Foundations
ExpandTraditional or RibRaft foundation. We have the trucks, diggers and rollers to get the job done.
Septic Engineering Reports
ExpandNeed a septic designed for your project or a condition report on an existing prior to purchasing a property? We are certified to undertake the inspection and will provide you with a report to move forward.
Septic Servicing
ExpandBeing the number one installer for Oasis Clearwater we also have a large volume of tanks we service regularly. Call today if you have a septic tank issue or wish for us to undertake a service. Click here if you wish to fill in our Septic Tank Servicing Contract or explore our Septic tank services
Bulk Earthworks
ExpandWhether removing piles of spoil or cutting the top off a hill, with a variance of tools in the toolbox O’Hagan Contracting can help wither large or small.
Driveways / Accessways
ExpandWant a new access way or sick of the potholes in your current driveway? We have the knowledge and solution to your access needs.
Water Tanks
ExpandNeed more water storage at your home or farm or need some retention tanks as part of your development? Concrete or plastic we can supply, place, and connect up your new tank for you.