How Much Concrete Septic Tank Cost

Concrete septic tank cost must be considered carefully before people make any installation in their house. We can make sure that installing the septic system is important, but people have to count for anything.

This way, they will be able to plan the system installed properly in the household. In fact, some factors can affect the cost of building the septic system.

Factors that Influence the Cost of Septic Tank System Building


Of course, the very first thing which will affect the cost of installing the septic system must be the tank. There most tanks are made of concrete. However, some other options of the tank can be chosen as well, such as fiberglass, steel, and polyethylene.

When people want to build a precast concrete tank that can hold about 1,000 gallons can be a great choice for the system installation in the house with three bedrooms. The cost will be about $600-1,000.

Concrete Septic Tank Cost

Drain Gravel

The concrete septic tank cost is not the only thing that people should count on when installing the septic system in their household. They also have to consider other factors, including the drain gravel.

We can make sure that the gravel trenches will be an essential part of the drain field. It can be made from a trench 36 inches wide containing the gravel with 10-12 inches size.

The installation will be made in the depth of 12-36 inches from the ground’s surface. For a ton of gravel, people should prepare about $12-30 per ton.

Pipes and Risers

The pipes will be installed for carrying the wastewater from the house to the septic tank. It will also be used for carrying the wastewater from the septic tank into the drain field.

The size and design of the system will affect the cost because the different designs and pipe sizes will have a different price to pay. People also must not forget about the cost of the septic tank riser. It is necessary to allow access from above the ground to the tank.


How much is a septic system? Although people realize that it is important, we can make sure that people will have certain worries if they have to spend a lot of money on this system installed. In fact, they also have to pay for the permit.

The price will depend on the location as well as the project complexity. The permit sounds expensive, but it usually comes with the inspection, so the system can really be installed based on the right code.

Designs and Installations

Finally, the design and installation of the septic tank system will also be the next important factor that can influence the cost of septic tank system installation.

It might be necessary to take a soil test to determine the soil’s drainage capability and other important things. It will affect the design and installation needs. Including the cost of hiring a contractor, people have to count carefully on the concrete septic tank cost.

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HomeTips is an experienced author and expert technician. With years of practical experience in the field authored several informative articles on various aspects related to home improvement, including installation, maintenance, and repair.