The 10-Day Clock Every Bedford Seller Doesn't Know They're On

Sign a contract on most houses in Westchester and the clock that starts is the mortgage contingency, or the attorney review period, or the inspection window. In Bedford, signing that same contract starts a second clock most sellers have never heard of: a county law that requires a certified lab, not a real estate agent and not a mail-in kit, to test the well water within ten days of the signature. There is no waiver. Neither party can agree around it. And it runs on a completely different schedule than the septic inspection the town also requires, which has nothing to do with whether the house is for sale at all.

That's the part that catches people off guard. Most guidance on well and septic homes treats them as one bundled disclosure item. In Bedford, they're two separate legal obligations, triggered by two different events, enforced by two different governments.

The Well Law Starts The Day You Sign

Westchester County's Private Well-Water Testing Law, Local Law 7 of 2007, has been in effect since November 19, 2007, and it applies to any property in the county served by a private well. The mechanics are specific:

• The obligation belongs to the seller, not the buyer. Once the contract of sale is signed, the seller has ten days to arrange and order the test.
• The sample has to be collected by an employee or authorized representative of a laboratory certified by the New York State Department of Health. A real estate agent cannot legally collect the sample, even if licensed and willing.
• The county's own estimate puts the average cost between $400 and $450, depending on how difficult the property is to access.
• Once results come back, the seller has five days to deliver them to the buyer, and both parties then sign a written certification that they've reviewed the results.
• The panel covers primary contaminants (total coliform bacteria, nitrate, arsenic, lead, a list of organic compounds, and MTBE) and secondary contaminants (pH, iron, manganese, sodium, chloride). A positive coliform result triggers a follow-up test for fecal coliform or E. coli.

None of this is optional and none of it can be waived in the contract, because the certified lab is required to report results directly to the Westchester County Department of Health regardless of what the buyer and seller agree to privately.

The Septic Law Runs On Its Own Five-Year Loop

The Town of Bedford's septic inspection requirement is older news locally but easy to miss if you're new to the area. Effective May 1, 2011, any parcel in the Town of Bedford relying on a separate sewage disposal system or on-site wastewater treatment system must have that system inspected once every five years, full stop, sale or no sale. The town adopted the law to comply with federal stormwater rules enforced by the New York State Department of Environmental Conservation, and it applies whether you're closing on the house next month or have lived in it for twenty years.

When the law was first proposed in 2011, then-Supervisor Lee Roberts predicted residents would push back, telling a reporter at the time that "people may fight it, but we have no choice." Peter Harckham, the County Legislator who chaired the county's septic subcommittee at the time, noted that officials had found only about two-thirds of homeowners in the watershed were pumping their tanks with any regularity. Tony Ferreira, then a partner at United Septic in Bedford Hills, put the economics in plain terms at the time: an inspection could run as little as $300 every five years, against a full septic replacement he priced at roughly $10,000 for a neglected system.

That gap, a few hundred dollars of maintenance against a five-figure replacement, is the argument for treating the five-year clock as routine homeownership upkeep rather than something to scramble for the moment a house goes under contract.

Why Most Of Bedford Is Running Both Clocks At Once

Bedford's public sewer investment has gone to one specific place: the Bedford Hills-Katonah Phase II Sewer District, which replaced century-old septic systems and cesspools for 108 properties in Bedford Hills and Katonah. Outside that district, the assumption should run the other way. A buyer should treat any Bedford property as running on its own well and its own septic field until the paperwork proves otherwise.

That's the reason both clocks matter here more than in a fully sewered town. A buyer moving from a Long Island community with public water and sewer has no frame of reference for either law. A buyer moving from Suffolk County, which does have its own well-water rule, may assume the mechanics are the same as Westchester's. They are not.

Three Counties, Three Different Rules

Westchester, Suffolk, and Rockland all require a private-well water test tied to a home sale, and a self-collected or mail-in kit satisfies none of them. Past that, the similarities end.

Suffolk is the one genuine outlier: it puts both the cost and the obligation to order the test on the purchaser, the opposite of how Westchester and Rockland handle it. That single difference is the kind of thing a buyer's attorney should flag on day one of a Bedford transaction, especially if the buyer has bought on Long Island before and is carrying assumptions from that experience.

A Timeline That Actually Works

For a seller preparing a Bedford listing, the sequence that avoids surprises looks like this:

1. Confirm whether the property is inside the Bedford Hills-Katonah sewer district or running on private well and septic. The building inspector's office can tell you which.
2. If it's on a private system, pull your last septic inspection record. If more than five years old, or you can't find one, schedule a pumping and inspection before listing rather than after an offer arrives.
3. Line up a New York State-certified water testing lab in advance so the ten-day clock isn't spent searching for one after the contract is signed.
4. Budget the county's estimated $400 to $450 for the well test as a seller-side closing cost, not a buyer negotiation point, because the law assigns it to you regardless.
5. Keep the inspection and testing records on hand. The town requires septic inspection records to be kept for a minimum of six years, and having them ready shortens the back-and-forth during attorney review.

What A Failed Test Actually Means

A positive result on the well test, most often coliform bacteria, does not sink a Bedford sale. Westchester's law is explicit that the transaction isn't automatically voided. The seller can correct the condition before closing, or both sides can agree in writing that the buyer handles remediation afterward. If the house is occupied in the meantime, it has to run on bottled or otherwise potable water until the issue is resolved. The more disruptive outcome isn't the failed test itself, it's finding out about the requirement after the ten-day window has already closed and the seller hasn't ordered anything yet.

A Few Questions Worth Asking Early

Does the well need to be tested if the house isn't for sale? Only if it's a new well before first use, or a well that's sat unused as a drinking water source for five years or more. Otherwise, testing outside a sale isn't mandated by this particular law, though the county recommends it.

Can a buyer and seller just agree to skip the test to close faster? No. Because the certified lab is required to report results directly to the Westchester County Department of Health, there's no private waiver that satisfies the law.

What if the house is in the Bedford Hills-Katonah sewer district? The septic law doesn't apply if the property connects to that public system rather than its own tank and field. The well law still could, if the house draws its own drinking water rather than using district water. The two systems, water and waste, aren't always tied together on the same parcel, so it's worth confirming both separately rather than assuming one covers the other.

If you're weighing a purchase or a sale in Bedford and want to know exactly which of these clocks applies to a specific address, The E&F Team can walk through the property's water and sewer status before you're under contract, not after. Schedule a free consultation and get the timeline sorted before it starts running.