Minnesota Real Estate Exam Guide: Environmental Hazards Disclosure
Last updated: April 2026
When preparing for your real estate license, mastering state-specific disclosure laws is critical. For candidates taking the state portion of the exam, understanding how and when to disclose environmental hazards is a heavily tested subject. This mini-article covers the essential regulations you need to know, tying directly into our Complete Minnesota Exam Guide.
In Minnesota, the guiding principle of real estate disclosure is found in Minnesota Statute Section 513.55, which requires sellers of residential property to disclose all material facts of which they are aware that could adversely and significantly affect an ordinary buyer's use and enjoyment of the property. Environmental hazards are prime examples of material facts. Let's break down the specific hazards tested on the Minnesota real estate exam.
Key Environmental Hazards in Minnesota
1. Radon (The Minnesota Radon Awareness Act)
Radon is a colorless, odorless, radioactive gas that occurs naturally in the soil. Because of Minnesota's geology and tightly sealed homes designed for cold winters, radon is a significant issue. The Minnesota Department of Health (MDH) estimates that about 40% of Minnesota homes have radon levels posing a health risk (above 4.0 pCi/L).
Under the Minnesota Radon Awareness Act, before signing a purchase agreement, a seller must provide the buyer with:
- A copy of the MDH publication "Radon in Real Estate Transactions."
- A specific Radon Warning Statement.
- Disclosure of any knowledge the seller has regarding radon concentrations in the home.
- Information on whether a radon mitigation system is installed and if it is currently operating.
Exam Tip: Sellers are not legally required to test for radon before selling, but they must disclose any known test results.
2. Lead-Based Paint
While lead-based paint is governed primarily by federal law (the Residential Lead-Based Paint Hazard Reduction Act of 1992, or Title X), it is frequently tested on the Minnesota state exam. For any residential property built before 1978, the seller and the seller's agent must:
- Provide the buyer with the EPA-approved pamphlet "Protect Your Family from Lead in Your Home."
- Disclose any known presence of lead-based paint or lead-based paint hazards.
- Provide any available records or reports pertaining to lead paint.
- Allow the buyer a 10-day window to conduct a risk assessment or inspection for lead (the buyer can waive this right).
3. Wells and Septic Systems (SSTS)
Minnesota has strict laws regarding private water and sewage systems. Because many rural and suburban Minnesota properties rely on Subsurface Sewage Treatment Systems (SSTS) and private wells, the state requires specific disclosures.
Well Disclosure: Sellers must disclose the status and location of all known wells on the property. If a well is no longer in use, it must be properly sealed by a licensed well contractor, and the seller must provide a well disclosure certificate to the county recorder at closing.
Septic Disclosure: Sellers must disclose the location and status of the SSTS. The disclosure must indicate if the system is currently in use and if the seller has received a Notice of Noncompliance (NON). Many Minnesota counties require a Certificate of Compliance (COC) before a property can be transferred. A COC for an existing system is typically valid for three years, while a COC for a newly installed system is valid for five years.
4. Methamphetamine Production
Under Minnesota Statute 152.0275, if a seller knows that a property was used as a clandestine methamphetamine laboratory, they must disclose this fact. The disclosure must include whether the property has been remediated according to the Minnesota Department of Health's guidelines. If an order from the local health department prohibiting use of the property is in place, the buyer must be notified.
Prevalence of Environmental Hazards in MN
To understand why the Minnesota Department of Commerce emphasizes these topics on the licensing exam, review the estimated prevalence of these property features and hazards across the state:
Estimated Percentage of MN Homes with Specific Environmental Features
Practical Scenarios for the Real Estate Exam
The Minnesota real estate exam often uses scenario-based questions to test your application of disclosure laws. Here are two examples of how this topic might appear on your test:
Scenario 1: The "As-Is" Clause Myth
Situation: A seller lists their home "As-Is" and tells their agent that they do not need to disclose the fact that the home's private well is contaminated with high levels of nitrates.
Exam Application: Selling a property "As-Is" only means the seller is refusing to make repairs; it does not waive the seller's legal obligation to disclose known material facts under MN Statute 513.55. The contaminated well must be disclosed.
Scenario 2: The Unsealed Well
Situation: A seller is aware of an old, abandoned well hidden under a deck but fails to disclose it. After closing, the buyer discovers the well.
Exam Application: The seller is liable for the costs of sealing the well and paying the buyer's reasonable attorney fees. In Minnesota, civil action for failure to disclose material facts can typically be brought up to two years after closing.
Connecting Your Study Topics
Understanding environmental disclosures is just one piece of the regulatory puzzle. To ensure you are fully prepared for exam day, we highly recommend reviewing how these questions are integrated into the test structure. Check out our guide on the Minnesota Exam Format and Structure Overview to see how state-specific laws are weighted.
Additionally, make sure you are managing your time effectively during the exam by reading Minnesota: How Many Questions and Time Limit. If you need a break from studying laws and statutes, you can brush up on your financial calculations with our Minnesota Amortization and Monthly Payment Math guide.
Frequently Asked Questions (FAQs)
What happens if a seller fails to disclose an environmental hazard in Minnesota?
If a seller intentionally fails to disclose a known material fact or environmental hazard, the buyer can bring a civil lawsuit against the seller. In Minnesota, the buyer generally has up to two years from the date of closing to take legal action to recover damages.
Are there any exemptions to Minnesota's environmental disclosure laws?
Yes. Minnesota law provides certain exemptions to the standard seller's property disclosure requirements (including environmental hazards). Common exemptions include transfers to family members, transfers pursuant to a court order (like divorce or probate), and foreclosures. However, note that federal lead-based paint laws do not share all the same exemptions as state laws.
How long is a septic system Certificate of Compliance (COC) valid in MN?
In Minnesota, a Certificate of Compliance for an existing Subsurface Sewage Treatment System (SSTS) is generally valid for three years. If the system is newly installed, the COC is valid for five years.
Does a seller have to test for radon before selling a home in Minnesota?
No. The Minnesota Radon Awareness Act does not legally require a seller to conduct a radon test prior to selling. However, if a test has been conducted and the seller knows the results, those results must be disclosed to the buyer along with the state-mandated warning statement.
Who is responsible for sealing an abandoned well in Minnesota?
By default, the seller is responsible for sealing an abandoned or unsealed well prior to closing. If the seller and buyer agree in writing, the buyer may take on the responsibility of sealing the well, but the proper disclosure and well certificate must still be filed with the county.
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