Septic Tank Loan and Financing Options: A Comprehensive Guide
Table of Contents
- Septic System Costs
- What Factors Influence Septic System Pricing?
- Personal Loans for Septic System Financing
- Home Equity Loans and HELOCs
- Credit Score Considerations for Septic System Loans
- Government Programs and Grants
- Contractor Financing and Payment Plans
- Comparing Septic System Financing Options
- Tips for Choosing the Right Financing Option
- The Takeaway
If your home isn’t connected to a local sewer system, a septic tank is a must. But setting up a new septic system or replacing an old one can be a pricey endeavor. A new system, as of 2025, can typically cost between $3,634 and $12,512, with an average of $8,035, according to the home improvement site Angi.
Fortunately, there are a few different payment options available to help homeowners cover the costs of installing this essential piece of equipment.
In this guide, you’ll learn the various sources you might choose to fund your septic system project, and some of the pros and cons of each.
Key Points
• The average septic system replacement currently costs about $8,035.
• Personal loans offer quick funding for septic system projects, with flexible terms and no collateral required for qualifying borrowers.
• Home equity loans and HELOCs provide financing options with lower interest rates, but require sufficient home equity and involve closing costs.
• Government programs offer grants and low-interest loans for septic system costs, but eligibility criteria apply.
• Contractor financing and payment plans may be available, offering convenience for those who prefer to finance through their septic tank company.
Septic System Costs
Most homeowners in the U.S. pay from $3,634 to $12,512 for a septic system installation, according to the home improvement site Angi. The average cost comes out to about $8,035. But prices can vary significantly depending on the size and type of tank you choose, the materials used, labor, and other factors — and costs could go over $20,000.
If you’re a die-hard DIYer who’s considering tackling this project with the help of some YouTube videos, you may want to think again. This is a big and dirty job that’s probably best left to professionals with the experience and machinery to get it done right. Here, take a look at some ways you can pay for the work and stay clear of the mess and stress.
Recommended: Personal Loan Interest Rates
What Factors Influence Septic System Pricing?
How much a new septic system costs will depend on several factors. Among them are:
• How large and complex the septic system is
• The site conditions, which can include everything from whether it’s steeply sloping to what type of soil needs to be dug up
• Local permit guidelines and other regulations
• What type of materials and tank you opt for
• The cost of labor which can vary considerably with the cost of living in your area
As with other home improvement projects, it’s wise to comparison-shop and get multiple bids before starting a septic system replacement project.
Personal Loans for Septic System Financing
If you need to finance your project in a hurry (and with a septic system repair, that’s often the case), you may want to consider a personal loan.
With personal loans, it’s possible you could receive your money on the same day you apply or within a few business days. You also may have some flexibility in when the funds arrive and how long you have to pay back the money.
Personal loan repayment terms typically range from two to seven years, but they vary by lender. The amount you can borrow and the interest rate you’ll pay with home improvement loans are generally based on a few different factors, including your credit score. Typically, the better your credit, the lower the interest rate.
Generally speaking, qualifying borrowers with a strong credit history and high income may be able to secure a loan of up to $100,000 without having to provide some type of collateral. This type of home improvement loan usually has a fixed interest rate, so you can know exactly what your monthly payments will be.
Home Equity Loans and HELOCs
Another potential way to finance a septic system project is to tap your home equity and apply for a home equity loan or home equity line of credit (HELOC).
If you qualify for a home equity loan for your septic system, you’ll receive a lump-sum amount that you’ll repay in equal monthly installments, much like a personal loan.
A home equity line of credit (HELOC), on the other hand, works more like a credit card. The interest rate usually isn’t fixed with a HELOC, and neither is the payment amount. As you repay the money you’ve borrowed, you can use it again — up to a predetermined limit.
Because both home equity loans and HELOCs are secured with your home as collateral (which means the lender can foreclose if you fail to make your payments), the interest rates are generally lower than with unsecured personal loans. But it’s worth noting that you typically have to have at least 15% to 20% equity in your home to qualify, it can take longer to get your money, and you can expect to pay closing costs with this type of financing.
Credit Score Considerations for Septic System Loans
If you’re planning on getting a loan to finance a new septic system, your credit score will likely come into play in a few important ways.
• Your credit score and credit report will impact the kind of loan you qualify for. Those with higher scores and strong reports will usually be approved for lower interest rates and higher loan amounts, and the opposite is true as well.
• More specifically, many lenders require a good to excellent credit score (say, 660 or higher) in order for an applicant to be approved for a loan at a favorable rate. Loans are often available to those with lower scores (even borrowers with bad credit), but they will probably involve higher interest rates.
• When you apply for a loan to fund a new septic system, the lender will typically require a hard credit pull to gain insight into your creditworthiness. This usually lowers your credit score by several points for a short period of time.
• Once you have a loan for your new septic system, on-time payments should positively impact your credit score. Late payment or missing payments entirely, however, can lower your score.
Government Programs and Grants
If you meet certain criteria, you may be able to get help with funding through federal or state assistance programs. Here are a few options you may want to research:
• The Environmental Protection Agency (EPA) Clean Water State Revolving Fund provides grants to all 50 states and Puerto Rico so that qualifying residents can receive low-interest loans to install, upgrade, or maintain their septic systems.
• The U.S. Department of Agriculture (USDA) offers both loans and grants that can benefit low-income homeowners who need help with their septic system costs.
• An FHA 203(k) loan combines a mortgage and funding for repairs, which may include septic system replacement.
• The Department of Housing and Urban Development (HUD) provides community block grants to help eligible homeowners repair, install, or improve their residential septic system.
• Some states also offer tax credits or deductions to residents who repair or replace a septic system. (You may want to check with your state government or local tax professional first to see what’s available and if you qualify.)
Contractor Financing and Payment Plans
It’s possible the septic tank company you’re considering has teamed up with a lender in order to offer its own financing plan to potential customers.
The salesperson or contractor will likely take you through each step of how the company’s septic tank financing works and may even offer a financial incentive if you sign up. Just remember that a contractor isn’t obligated to find you the best payment solution when it comes to how to pay for septic repair. So it’s important to review and understand the terms of any offer you receive, and to compare the contractor’s offer with other options available.
Recommended: How Much Does a Home Inspection Cost?
Comparing Septic System Financing Options
Hopefully, you’ll have time to do some comparison shopping as you consider the various financing methods for your septic system project. Here are some things to keep in mind as you do your research:
• What monthly payment works for your budget? A longer loan term generally means lower monthly payments. Keep your budget in mind as you choose how much time you’ll need to pay back your septic tank installation financing.
• How’s your credit? Good credit can often get you a better interest rate and other loan terms. If you aren’t sure where your credit stands, you may want to check out your latest credit report and/or credit score and dispute any errors you see.
• What’s in the contract? Understanding the terms you’re being offered for a septic tank loan can keep you from running into trouble down the road. For example, if a contractor or credit card company offers you a low introductory interest rate, it’s important to ensure you’ll have enough time to pay off your purchase before the interest rate goes up.
• Are there fees? Remember, fees can add to the overall cost of your loan. Some lenders may charge origination, application, and other loan fees. And you can expect to pay for a home appraisal and other closing costs if you get a home equity loan or HELOC.
• How fast can you get the money? If you don’t have enough cash stashed away for your project, applying for a personal loan may be the quickest way to finance the work. Some personal loan lenders can get you your money on the same day you’re approved. Contractor financing also may offer a convenient and fast approval process.
Tips for Choosing the Right Financing Option
Deciding on the right financing option for your septic system replacement or repair will depend upon your unique situation. A few points to consider:
• If you are in a rush to get your system back up and running (which is often the case), a personal loan can be a good avenue to pursue. Some lenders even offer same-day financing options. Note that your credit score will come into play, with higher scores typically contributing to lower interest rates.
• If you have built up home equity, you might investigate a home equity loan or line of credit. These can take longer to secure and they use your home as collateral (meaning you risk foreclosure if you default), but they can offer favorable interest rates.
• If you qualify, you may be able to secure government-backed loans and grants to pay for your septic system work. Diving into the requirements and documentation needed is a key step here.
• Contractor payment plans may work well for some homeowners; be sure to review the terms and conditions carefully and compare them to other options.
• Another option is to use your emergency fund to take advantage of a no-interest way to finance the work needed.
Understanding Total Loan Cost
As you look into the options available for funding your septic system work, remember to consider the total cost of the loan. That includes:
• The principal, or the amount you are borrowing
• The interest charged over the life of the loan
• The fees that are often assessed, such as origination fees, which can be 1% to 10% of the principal amount
Understanding these factors will help you determine the full cost of the loan over the term you select and how much money you may need upfront. Equipped with this intel, you can determine which loan option best suits your needs.
Evaluating Repayment Flexibility
Sometimes, as you repay a loan, life happens and finances get tight. In that case, you may need flexibility to repay your loan. You may want to check the fine print before signing up for a lona. Features that can help in challenging times include grace periods, which are a buffer between when the payment is due and late fees kick in. Also, a loan may offer deferment and forbearance options, allowing you to pause or reduce payments in times of financial need.
On the other hand, you may also want to look into whether a loan offer has prepayment penalties. These fees can be applied if you pay off a loan before the term expires. The reason: The lender is losing out on the interest payments they were expecting to collect over the life of the loan. Prepayment fees can help compensate them for that.
Lastly, keep in mind that other features impact your repayment. A longer term can lower monthly costs but increase the amount of interest you pay over the life of the loan. Also, whether you opt for a fixed or variable rate loan will influence your monthly payment amounts, meaning whether they are stable or vary with the market.
The Takeaway
Replacing your septic system can be expensive, currently averaging more than $8,000. To fund this project, you might look into tapping your home equity via a home equity loan or line of credit, wherein you use your home as collateral. Or perhaps there’s a contractor financing plan that suits your needs. A personal loan, sometimes called a home improvement loan, can be a good option for many people, especially when funding is needed quickly; no collateral is typically needed. You may also be able to cut some of your costs if you can qualify for a government-funded grant or low-interest loan.
Think twice before turning to high-interest credit cards. Consider a SoFi personal loan instead. SoFi offers competitive fixed rates and same-day funding. See your rate in minutes.
FAQ
Are there tax deductions for septic system installation or repair?
A new septic system doesn’t qualify for any of the tax credits the Internal Revenue Service, or IRS, currently allows for home improvements. But some states offer tax credits or deductions to homeowners who replace or repair a septic system. A tax professional in your area can help you check for potential tax savings.
Can I finance both installation and ongoing maintenance of my septic system?
It’s a good idea to make septic tank maintenance costs a part of your household budget, but those expenses likely won’t be included in the amount you borrow to pay for a new system.
Are there special financing options for rural homeowners?
Yes. USDA loan programs can benefit rural homeowners who need to repair or replace a septic system.
What credit score do I need to qualify for septic system financing?
There is no one single credit score needed to qualify for septic system financing. However, it’s important to know that higher credit scores typically lead to approval for more favorable loan interest rates and terms, while people with bad credit are usually assessed higher rates and, say, qualified for lower loan amounts.
How long does it take to get approved for a septic loan?
How long it takes to get approved for a septic system loan will depend on the kind of financing you seek. If you are applying for a home equity loan or line of credit, that can take up to 6 weeks, depending on the lender and your specific circumstances. A personal loan can be significantly faster, with some lenders offering same-day funding or disbursement in just a few days.
Photo credit: iStock/Kwangmoozaa
SoFi Loan Products
SoFi loans are originated by SoFi Bank, N.A., NMLS #696891 (Member FDIC). For additional product-specific legal and licensing information, see SoFi.com/legal. Equal Housing Lender.
*Awards or rankings from NerdWallet are not indicative of future success or results. This award and its ratings are independently determined and awarded by their respective publications.
Disclaimer: Many factors affect your credit scores and the interest rates you may receive. SoFi is not a Credit Repair Organization as defined under federal or state law, including the Credit Repair Organizations Act. SoFi does not provide “credit repair” services or advice or assistance regarding “rebuilding” or “improving” your credit record, credit history, or credit rating. For details, see the FTC’s website .
Financial Tips & Strategies: The tips provided on this website are of a general nature and do not take into account your specific objectives, financial situation, and needs. You should always consider their appropriateness given your own circumstances.
Tax Information: This article provides general background information only and is not intended to serve as legal or tax advice or as a substitute for legal counsel. You should consult your own attorney and/or tax advisor if you have a question requiring legal or tax advice.
Third-Party Brand Mentions: No brands, products, or companies mentioned are affiliated with SoFi, nor do they endorse or sponsor this article. Third-party trademarks referenced herein are property of their respective owners.
SOPL-Q425-054
Read more