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Hudson Valley Buyers Are Skipping One Inspection – And It’s Costing Them Thousands
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Date:
02 Apr 2026
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You’ve found the right house in the Hudson Valley: ideal location, renovated kitchen, and a price you can justify. The home inspector signs off, you close, and settle in. But a few months later, you’re hit with an unexpected $15,000 bill for septic repairs.
This scenario is becoming more common in the Hudson Valley, especially in areas like Greenwood Lake and Warwick. The culprit is not bad luck, but a preventable oversight: buyers are skipping a crucial septic inspection before closing.
The Overlooked Inspection
In neighborhoods with public sewers, a standard home inspection is usually enough. But much of the Hudson Valley depends on private septic systems and wells, which aren’t fully covered in a general inspection.
Susan Onderdonk, a real estate salesperson with Howard Hanna Rand Realty who has worked in the Greenwood Lake area for 18 years, sees this issue regularly. She advises all buyers to order both a home inspection and a separate septic inspection. “Septic repairs and replacements can be very expensive, and they can take a long time,” Onderdonk says.
Septic problems often go undetected during a basic walkthrough. The system may look fine from above, but hidden failures can be brewing underground. By the time you notice slow drains or wet patches in your yard, the damage is usually severe – and you’re responsible for the entire repair.
Septic Issues
Septic system failures are a leading cause of real estate deals collapsing in the Hudson Valley. Replacement costs start around $10,000 and can climb to $30,000, depending on the property and local rules. Most buyers are unprepared for such a large, immediate expense.
Onderdonk points out that “septic issues are the number one problem in this area because we don’t have public sewers.” Even if a seller agrees to help cover repairs, the process can drag on. Permits, inspections, and major excavation are often required, making septic work both costly and time-consuming. In a competitive market, buyers who discover septic problems often choose to walk away rather than take on a lengthy, expensive project.
A septic inspection is straightforward but requires a trained specialist. The inspector will locate the tank, check for leaks or cracks, measure sludge depth, and test the drain field to confirm that wastewater is filtering as it should. The typical cost is between $300 and $600 – a fraction of what you’d pay to replace a failed system. Most inspections take just a few hours and end with a detailed report on the system’s condition and any necessary repairs.
If issues are found, buyers have leverage. You can ask the seller to fix the problem before closing, negotiate a price reduction or repair credit, or withdraw from the deal if the costs are too high.
A Real-World Example
Last year in Warwick, a buyer purchased a three-bedroom home listed at $425,000. The standard home inspection showed no major issues, so they moved ahead – but skipped the septic inspection to save a few hundred dollars.
Two months after moving in, the septic system failed. The replacement cost $18,000, and the work took six weeks to complete. Because the sale was final and the seller wasn’t aware of the problem, the buyer had no recourse.
Spending $400 on a septic inspection up front could have uncovered the issue, allowing the buyer to negotiate repairs or back out before closing.
What Buyers Should Do Now
If you’re shopping for a home in the Hudson Valley and the property is not on municipal sewers, always get a septic inspection. Skipping it to save a few hundred dollars can lead to massive expenses later.
Ask the seller for maintenance records. Find out when the tank was last pumped and if there have been any repairs. If the seller can’t provide documentation, consider it a warning sign. Plan for ongoing maintenance. Even a healthy septic system needs to be pumped every three to five years. Include this cost in your long-term homeownership budget.
What Sellers Should Know
If you’re selling a home with a septic system, get it inspected before listing. If problems are found, address them early. Buyers are far more likely to walk away from a home with a known septic issue than negotiate a fair credit.
Provide maintenance records to prospective buyers. Showing that you’ve kept up with pumping and repairs helps build trust and can speed up the sale process.
The Bottom Line
In the Hudson Valley, skipping a septic inspection is one of the riskiest shortcuts a buyer can take. A few hundred dollars spent before closing can prevent a five-figure headache later. If you’re buying a home with a private septic system, insist on a thorough inspection – it’s a small investment that can save you thousands.
This article is based on information provided by the expert source cited above. It is intended for general informational purposes only and does not constitute legal, financial, or real estate advice. Readers should conduct their own research and consult qualified professionals before making any real estate or financial decisions.
About the Expert: Susan Onderdonk is a Real Estate Salesperson, Howard Hanna Rand Realty, serving the Greenwood Lake area. Specializes in lakefront properties, first-time buyers, and Hudson Valley residential sales.
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