
How Much Does a Septic Tank Cost
💰 How Much Does It Cost to Install a Septic System?
If your home isn’t connected to a city sewer line, you’ll need a septic system. But how much does a septic installation cost? It depends on a few things—like where you live, the kind of system you need, and how big your home is.
Let’s break it down so you can plan ahead.
🏡 Average Cost for Septic Installation
The cost to install a septic system can range from $3,000 to over $20,000. Why the big difference? Every property is different, and so are the needs of each home.
Here’s what affects the price:
🔧 What Affects Septic System Cost?
1. Type of Septic System
Anaerobic systems (basic, no oxygen): $3,000 – $8,000
Aerobic systems (uses oxygen for cleaner treatment): $10,000 – $20,000
Mound or sand filter systems: $10,000 – $15,000
These more advanced systems are used when soil is not good for regular systems.
2. Tank Size and Material
Most homes use a 1,000-gallon tank for 3 bedrooms: $1,200 – $1,500
Plastic tanks are cheaper but not as strong.
Concrete or fiberglass tanks cost more but last longer.
3. Labor and Excavation
Digging holes and preparing the land can cost $1,500 to $5,000.
This includes removing old tanks, leveling the land, or clearing trees.
4. Soil Testing and Permits
Before installing your septic tank, you’ll need soil tests and local permits.
These can cost $500 to $2,000, depending on where you live.
💵 Total Costs by System Type
Septic System Type Average Cost
Basic Conventional System $3,000 – $7,000
Mound or Sand Filter System $10,000 – $15,000
Aerobic System (with Drip Lines) $10,000 – $20,000
Full Septic System Replacement $10,000 – $30,000
💡 Tip: If your yard has rocky or swampy soil, it could raise your septic installation cost.
🧾 Extra Costs to Keep in Mind
Installing a septic system doesn’t just mean dropping in a tank. Here are some other things that add to the total cost:
Permits & inspections: $500 – $2,000
Site clearing & tree removal: $1,200 – $4,500
Landscaping after install: A few hundred to a few thousand dollars
Long-term maintenance: Pumping every 3–5 years, $250 – $600 per pump-out
🧼 Keep Your System Working Great
To avoid spending money on repairs, take care of your septic system:
Pump it regularly (every 3–5 years)
Don’t flush wipes, diapers, or grease
Fix leaks and don’t waste water
Get it inspected by a pro every 3 years
At Doug Campbell Backhoe, we help you save with smart care. We even offer a free pump-out with any major septic repair, so you get more for your money.
📞 Need a New Septic System?
Thinking about a septic installation? Want to know what it will cost for your property?
Doug Campbell Backhoe is here to help. Our team offers:
Expert septic system installation
Clear pricing and no surprises
Free pump-out with major repairs
Contact us today for a free quote or schedule an inspection. We’ll help you find the best septic solution for your home and budget.
With septic installation costs ranging from $3,000 to $20,000+, it’s smart to work with a team you can trust. Call Doug Campbell Backhoe now to get started!