New Septic System Installation
Complete septic system installation for new construction, undeveloped lots, and properties replacing a system that has reached the end of its life.
If you are building a home on an unserviced lot in southeastern New Brunswick, the septic system is one of the first major decisions you will make — and one of the few you cannot easily revisit later. A system that is undersized, poorly sited, or rushed will announce itself eventually, usually at the worst possible time and always at your expense.
We install complete septic systems for homeowners, builders, and property owners throughout the Greater Moncton area. That means the whole job: evaluating what the site can support, preparing the ground, setting the tank, building the disposal field, and grading the finished area so water moves away from the system rather than into it.
When you need a new septic system
- New construction on an unserviced lot. Any home outside municipal sewer service needs an on-site system before it can be occupied.
- A system that has failed beyond repair. When the disposal field itself has stopped accepting effluent, replacing the tank alone will not fix it.
- An addition that increases capacity requirements. Adding bedrooms often means the existing system is no longer sized correctly for the house.
- Cottage or seasonal property conversion. Older seasonal systems are frequently undersized for year-round occupancy.
How the process works
A septic system cannot be priced from a phone call or a look at the lot. The cost depends on what the soil actually does, and that is not knowable until we dig. Here is the real sequence, start to finish.
1. Site visit and test pit
We come out to the property and dig a test pit. This is the step that determines everything downstream — soil texture and structure, depth to bedrock, depth to the seasonal high water table. Along with lot size, slope, well locations, and property line setbacks, this is what decides whether the site supports a straightforward in-ground disposal field or a more involved raised system. We cover this in detail on our site assessment page.
2. Design
Based on what the test pit shows, the system is designed for your property — type, size, layout, and location. The design is what Technical Inspection Services approves, and it is what the installation has to follow.
3. Cost
Once the design is complete, we can give you the cost. It is contingent on the design being approved — until Technical Inspection Services signs off, no one can quote a final number honestly. Anyone who gives you a firm price before this stage is guessing.
4. Permit submitted
We submit the design to Technical Inspection Services (Department of Justice and Public Safety), the branch that issues septic approvals in New Brunswick. The application fee is $150. Coordinating the paperwork is our job, not yours — and note that only a licensed installer can submit it, which is why this is not a do-it-yourself project.
5. Approval — up to 7 business days
Expect up to seven business days for the design to be approved or denied. This is outside our control, and it is the main reason septic work needs to be planned rather than squeezed in at the last minute.
6. Construction begins
Once the design is approved and you give us the go-ahead, we start. The tank location and disposal field area are excavated to the depths the design calls for, the tank is set on a properly prepared base and connected to the building's main drain line, and the disposal field is built to the approved design — distribution piping, the specified aggregate or chamber system, and the correct depth of soil cover.
7. Inspection — 3 business days
Before anything gets covered, the government has three business days to inspect the system. Nothing is backfilled until that window is respected. This protects you: an inspected system is a system you can prove was built to the approved design when you go to sell the property.
8. Finish construction
The site is backfilled and graded so surface water sheds away from the disposal field rather than pooling over it. Poor final grading is one of the more common reasons an otherwise sound system underperforms.
Plan the calendar backwards. Between the approval window and the inspection hold, there are up to ten business days in this process that belong to other people. Add New Brunswick ground conditions — frozen or saturated ground makes proper excavation and compaction difficult — and the message is the same: start the conversation early. Scheduling septic work into a reasonable window is far easier than forcing it into a bad one.
What determines the cost
There is no honest flat rate for septic installation, because the price is driven almost entirely by what your specific site requires. The main factors:
- Soil conditions. Good draining soil at adequate depth allows a conventional system. Heavy clay, shallow bedrock, or a high water table require a raised or engineered system, which costs considerably more.
- System size. Sizing follows the number of bedrooms in the home, not the number of people currently living there.
- Site access. A clear, level lot near the road is straightforward. A wooded lot with a long driveway and grade changes is not.
- Excavation conditions. Rock, existing structures, and utilities all add time.
The test pit and the design are what turn these unknowns into an actual number. We would rather give you an accurate figure once we know what the ground is doing than an optimistic one over the phone.
Serving southeastern New Brunswick
We install septic systems throughout the Greater Moncton area and the surrounding communities of southeastern New Brunswick, working out of Steeves Mountain. If you are not certain whether your property falls within our service area, call (506) 233-6272 and ask.
Get started
The first step is a conversation about your property and what you are planning. From there we arrange the site visit and test pit, and that is what puts a real design — and a real number — in front of you.
Still working through the details? Our septic FAQ answers 397 questions about systems in New Brunswick — rules, sizing, costs, maintenance and troubleshooting.
Ready to talk about your septic system?
Serving homeowners, builders, and property owners throughout Greater Moncton and southeastern New Brunswick.