Selling

What Do I Need to Disclose When Selling a Home With Septic and Well?

Patrick Kevin Fagan

Texas Real Estate Sales Agent #454749, AXEN Realty LLC · Senior Loan Officer, NMLS ID #877741, NEXA Mortgage, LLC

Updated October 12, 2026

PATRICK'S QUICK ANSWER

Selling a home on a septic system and well means disclosing the age and condition of both and being ready for a septic inspection and a water quality test. Keep your pumping records, maintenance receipts, and recent water test results handy so the buyer's due diligence goes fast. Buyers and lenders want proof the systems work. The cleaner your records, the fewer surprises at the inspection table. Ask Patrick for a seller net sheet.

Selling a home with a septic system and well requires full disclosure of the system's condition, age, and maintenance history. Buyers will typically request a septic inspection (including pumping and inspection of the tank and drain field) and a well water quality test. Having recent pumping records, maintenance receipts, and water test results ready helps the sale proceed smoothly.

Septic System Inspection and Disclosure

Texas law requires sellers to disclose known defects with the septic system. Many buyers will request a professional septic inspection during the option period. The inspection includes pumping the tank, inspecting the baffles, checking for cracks or leaks, and evaluating the drain field. If issues are found, the buyer may request repairs or a credit. If you have recent pumping records, share them. A well-maintained septic system is a selling point.

The meaning: the septic inspection is the buyer's proof that the system works, and the pumping records are the seller's proof it was cared for.

The money consequence: a failed inspection becomes a repair or a credit, while a clean inspection with records protects the price and the timeline.

The real-world play: pump and inspect before you list, because the system you know is clean is the system that closes without drama.

Well Water Testing and Disclosure

Buyers typically request a well water quality test to check for bacteria (coliform, E. coli), nitrates, pH levels, and local contaminants. In the Texas Hill Country, additional testing for arsenic, uranium, and total dissolved solids is common. If the well has a water treatment system, disclose what it treats. Provide the well's depth, pump age, and flow rate. The buyer's lender may require a well inspection if the property is in a rural area.

The meaning: the well test answers the buyer's biggest question, is the water safe, and the well details answer the lender's.

The money consequence: a clean water test is a closing requirement for many rural loans, so the test result can make or break the financing.

The real-world play: run the water test before listing and keep the report ready, because the buyer's lender will ask for it either way.

Disclosure Requirements for Both Systems

Your Seller's Disclosure Notice should cover: the age and condition of the septic system and well, any known issues or past repairs, the date of the last septic pumping, well water test results (if available), and whether the well provides the main water source. If you have a septic system maintenance contract or water treatment service agreement, disclose those as well.

The meaning: the disclosure is the full history of both systems, and the details are what the buyer's due diligence will verify.

The money consequence: a complete disclosure prevents the post-closing dispute, which is the most expensive outcome in a well and septic sale.

The real-world play: gather the records, the dates, and the test results before the first showing, because the seller who knows the systems sells them with confidence.

The Money Consequence

The well and septic systems are the rural home's hidden machinery, and the records are the proof they run. A clean inspection and a clean water test protect the price, while an unknown history invites the discount and the delay. The sellers who prepare both systems before listing are the ones who close on schedule.

The meaning: in the Hill Country, the well and septic are part of the value, and the paperwork is how the value is proven.

The money consequence: the inspection and the test cost a few hundred dollars and protect tens of thousands in price and closing certainty.

The real-world play: pump the septic, test the water, and gather the records before you list, because the clean report is the selling point, Patriot Nation.

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Patrick's Take

Septic and well inspections are standard in the Texas Hill Country. If your systems are well maintained, a clean inspection report is a big plus for buyers. I recommend getting a pre-listing septic pump and inspection done so you know the condition before negotiations start.
PF
Patrick Kevin Fagan

Related Questions

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Selling With Septic and Well?

Patrick can help you prepare the necessary inspections and disclosures for a smooth sale.

Answered by Patrick Kevin Fagan

Texas Real Estate Sales Agent #454749, AXEN Realty LLC · Senior Loan Officer, NMLS ID #877741, NEXA Mortgage, LLC

Call or text: 210-317-6514