If your basement has taken water, you can still sell the house. What you cannot do in Michigan is paper over it. The state hands every seller a standard form, the form asks about water in plain words, and the buyer's side reads those answers before they read anything else. The sellers who do best in metro Detroit are the ones who answer the question straight and show what they did about it.
What the Michigan disclosure form asks about water
The Seller Disclosure Act prescribes the form, and several lines on it are about exactly this. It asks whether there has been evidence of water in the basement or crawl space, and if you answer yes, it asks you to explain. It asks about flooding problems and about major damage from floods. It asks whether you carry flood insurance. Its working-order checklist lists the sump pump, and it lists the city sewer system (Michigan Seller Disclosure Act, MCL 565.957 (the disclosure form)).
One gap worth knowing. The form has no line that says "sewer backup" by name. A floor drain that pushed sewage into your basement in a storm still belongs under the water question, because the question is about evidence of water, not about where it came from.
Answer to the best of your knowledge, as of the day you sign
You certify that the statement is true and correct to the best of your knowledge as of the date you sign it. The form also says it is not a warranty of any kind by the seller. That language protects you from being held to things you could not have known. It does not cover the things you did know.
The same section adds a duty people miss. If the structural, mechanical, or appliance systems change before closing, you have to tell the buyer right away. A sump pump that dies between signing and closing is that kind of change.
What you are not on the hook for
The Act gives sellers real room. You are not liable for an error or omission that was outside your personal knowledge, as long as you used ordinary care in passing along information from a public agency or a qualified expert. Leaving something out is also not a violation if it could only be learned by inspecting parts of the property nobody can reach (Michigan Seller Disclosure Act, MCL 565.955 (errors and omissions)).
Read the limit on that room carefully. The protection falls away where you know of a defect that contradicts the information you handed over. If you had a plumber's report that said the lateral was fine, and you also watched sewage come up the drain last June, the report does not cover you. A stained block wall under fresh paint is the cautionary picture here, and buyers' inspectors know to look for it.
Disclosure is not the only law that applies
The Act says its list of items does not narrow any other disclosure duty the law creates around fraud, misrepresentation, or deceit in a transfer (Michigan Seller Disclosure Act, MCL 565.961 (other law)). In plain terms, checking "no" on a form is not a shield if you actively hid the problem. Painting over a water line, or telling a buyer at the showing that the basement has "never" gotten wet, can create exposure that the form itself does not. We are not lawyers, and this is a reading of the statute, so a real estate attorney is the right call before you decide what to say about a specific incident.
Timing matters, and a late form lets the buyer walk
You have to deliver the signed statement before you sign a binding purchase agreement. If it reaches the buyer afterward, the buyer can terminate by written notice within 72 hours when it is delivered in person, or within 120 hours when it comes by registered mail. That right ends once the property transfers by deed (Michigan Seller Disclosure Act, MCL 565.954 (delivery and termination)).
For a seller with a wet-basement history, this is the practical reason to hand over the form with the listing packet. A buyer who finds out about the water after signing has a legal way out, and has probably also stopped trusting everything else you told them.
Before you list, make the water story short and documented
A buyer will ask when the basement last took water, how much, whether it came through the walls or up the floor drain, and what was done afterward. Have those answers in writing before the first showing. Keep the plumber's invoice, the contractor's receipt, any transferable warranty, and the photos from the day.
If the water was recent, dry everything quickly and fully. The EPA advises drying water-damaged areas and items within 24 to 48 hours, and says the key to mold control is moisture control (EPA, A Brief Guide to Mold, Moisture and Your Home). A basement that smells damp at the showing costs you more than the water itself did.
Fix the cheap causes, then say what you did
Walk the outside first. Downspouts that dump against the foundation and soil that slopes toward the house cause more clay-soil seepage than most owners expect, and fixing them costs little. If the flooding came up the floor drain, a backwater valve or a battery backup sump pump is the kind of repair buyers like to see, and the planning range we use for either is $1,500 to $3,500. Our guide to keeping a Michigan basement dry lays out the fixes in order, and the sewer backup insurance guide covers whether a claim history will follow you.
A repair you disclose is a selling point. A repair you hide is the thing the buyer's inspector goes looking for.
Know how the buyer is reading your neighborhood
Careful buyers check the block as well as the house. The Basement Risk Index scores 116 communities across Wayne, Oakland, and Macomb, and suburban scores are modeled from housing data and labeled that way. Look up your community before you price the house, so you know what a buyer will see. If you want the buyer's side of this same disclosure, our guide for buying a house with a wet basement shows what they are told to check.
Sources reviewed
Primary sources checked October 2026:
- Michigan Seller Disclosure Act, MCL 565.957 (the disclosure form), legislature.mi.gov.
- Michigan Seller Disclosure Act, MCL 565.954 (delivery and termination), legislature.mi.gov.
- Michigan Seller Disclosure Act, MCL 565.955 (errors and omissions), legislature.mi.gov.
- Michigan Seller Disclosure Act, MCL 565.961 (other law), legislature.mi.gov.
- EPA, A Brief Guide to Mold, Moisture and Your Home, epa.gov.