Pre-Listing Mold Inspection in Kootenai County

We test for mold before listings in Coeur d'Alene, Post Falls, Hayden, Rathdrum and the rest of Kootenai County. We do not remediate and we take no referral fees from companies that do, so nothing about our report depends on what it finds.

This page covers what Idaho's disclosure law requires, how a pre-listing test interacts with the form you will sign, and when testing before you list is worth the money. It is general information and not legal advice. Your listing agent or a real estate attorney should answer questions about your own disclosure.

What Idaho's disclosure law requires

Idaho's Property Condition Disclosure Act is Idaho Code Title 55, Chapter 25, sections 55-2501 through 55-2518. It applies to transfers of residential real property with one to four dwelling units, by sale, exchange, installment contract, lease with an option to purchase and a few other arrangements, with exemptions listed in section 55-2505. The main points:

• The seller completes a disclosure form. Section 55-2508 sets out the form. Section 55-2506 allows an alternative form as long as it contains everything the statutory form requires.
• The statutory form does not mention mold. It asks the seller to specify problems with basement water, the foundation, roof condition and age, well and septic, plumbing, drainage, electrical and heating. It asks whether the seller is aware of any hazardous materials or pest infestations on the property, and it ends with a question about any other problems the seller knows of.
• It is based on what the seller knows. The seller certifies that the answers are true and correct to the best of the seller's knowledge. The form states that the seller has not inspected generally inaccessible areas such as the foundation or roof, that it is not a warranty, and that it is not a substitute for inspections.
• Timing. The seller delivers a signed and dated copy within 10 days of accepting the buyer's offer (section 55-2509).
• The buyer's right to rescind. If the buyer receives the form after entering the purchase agreement, the buyer may rescind within three business days of receiving it, in a signed written notice based on a specific objection to a specific disclosure (section 55-2515).
• Other obligations still apply. Section 55-2514 says the items on the form do not limit a seller's obligation to disclose information required by other Idaho statutes or by case law.
• Consequences. A sale is not invalidated solely because someone failed to comply. A person who willfully or negligently fails to perform a duty under the chapter is liable for the buyer's actual damages (section 55-2517).

So the plain answer: Idaho's statute does not name mold, and nothing in it requires a seller to test for mold or hire any inspection. It does require honest answers about basement water, the roof, drainage and plumbing, which are the conditions that produce mold.

The form you sign may ask about mold directly

Idaho REALTORS publishes its own disclosure form, RE-25, the Seller's Property Condition Disclosure Form, which can be used in place of the bare statutory form under section 55-2506. The version we reviewed asks about mold in three places: whether the property has been inspected for any types of mold, whether a copy of that inspection report is available, and whether the seller is aware of mold-related problems on any interior portion of the property, including floors, walls, ceilings, basements, crawl spaces and attics. It also asks about water intrusion or moisture-related damage from flooding, seepage, condensation, sewer backup or leaking pipes, fixtures and appliances. Forms are revised from time to time, so ask your agent which version you will be signing.

This is the practical center of the pre-listing decision. If you test before listing, the property has been inspected for mold, and on a form like RE-25 that question gets a yes, along with whether the report is available. Whether and how a particular result has to be disclosed is a question for your agent or attorney. What we can say is that a test result becomes something you know, and the disclosure form is about what you know. For more on the rules around testing itself, see Idaho mold testing rules.

When a pre-listing test is worth it

Testing a house with no water history, no odor and nothing visible is often money you do not need to spend. The buyer's inspector will be in the same attic and crawl space. A test before listing earns its cost in these situations:

• A known water event that was repaired. A burst pipe, a basement that took water during a thaw, a roof leak after an ice dam. Those are the events the disclosure form asks about. A report on current conditions gives a buyer something concrete to read next to your answer.
• Past remediation. If mold was removed while you owned the house and nobody tested afterward, an independent test now fills that gap. If the work is recent, clearance testing is $375 flat for up to three samples.
• A smell you have stopped noticing. Owners get used to a basement or crawl space odor. Buyers walking in for the first time do not.
• A house that sat empty. An estate, or a rental between tenants, can go months with nobody looking under the sinks or into the crawl space.
• You want the answer on your schedule. A problem found during the buyer's inspection period gets negotiated inside a short deadline. A problem found before listing can be fixed or priced in first.

If you already know there is mold, see selling a house with mold. The general version of this page, without the Idaho law, is at pre-listing mold inspection.

What we look at in Kootenai County houses

Kootenai County grew from 138,494 people in the 2010 census to 171,362 in 2020, close to a quarter more in ten years. Rathdrum alone went from 6,826 to 9,211. Recent construction now sits alongside much older houses, and each has its own failure points.

Much of Post Falls, Hayden and Rathdrum is built on the Rathdrum Prairie, over gravel, cobbles and boulders laid down by catastrophic Ice Age floods between about 8,000 and 18,000 years ago. That gravel holds the Spokane Valley-Rathdrum Prairie Aquifer, which the EPA designated a sole source aquifer in 1978. The U.S. Geological Survey reports depth to groundwater in the aquifer ranging to more than 500 feet, with the greatest depths in the northern Rathdrum Prairie. So when a basement on the prairie is damp, we look first at water arriving from above and from inside the house: snowmelt against the foundation, grading and downspouts, window wells and plumbing. See snowmelt basement seepage.

We also check attic sheathing at the eaves, where ice dams leave staining that outlasts the snow; crawl spaces, for standing water and wet insulation after the thaw; and closets on exterior walls, where winter condensation shows up first.

What you get and what it costs

A standard inspection is $425: site visit, moisture mapping, thermal imaging, one indoor air sample plus an outdoor control, all lab fees and a written report with the raw lab data attached. Air samples are spore trap cassettes analyzed by an accredited lab, always compared against an outdoor control taken the same day. Additional samples are $100 each, so a typical three-sample job, such as a main floor sample, a basement or crawl space sample and the outdoor control, comes to about $525. Homes over 3,000 square feet are $550 to $650. Results come back in 1 to 3 business days, and a 24-hour rush adds $100 if your listing date is close. There is no trip fee anywhere in Kootenai County. You can see what the report looks like on the sample report page.

Jesse Futia, a NORMI Certified IAQ/Mold Assessor, does the inspection and writes the report. Because we never remediate, no repair bid comes with it. If it finds a problem, you choose who fixes it, and afterward we can do clearance testing so the file a buyer sees ends with an independent result. See clearance testing in Coeur d'Alene.

Frequently asked questions

Does Idaho law require me to disclose mold when I sell? The statutory form in Idaho Code section 55-2508 does not name mold. It asks about basement water, the roof, drainage, plumbing, hazardous materials and any other problems you know of, and section 55-2514 says the form does not limit other disclosure obligations. The Idaho REALTORS RE-25 form asks about mold directly. Ask your agent or a real estate attorney how this applies to your house.

Does Idaho require sellers to test for mold before listing? No. Nothing in the Property Condition Disclosure Act requires a seller to test for mold or to hire any inspection. The form is based on what the seller knows.

If I test and it finds a problem, do I have to disclose it? That is a question for your agent or a real estate attorney, and it is worth asking before you book. What we can tell you is that a test result becomes something you know, and a form like RE-25 asks whether the property has been inspected for mold and whether the report is available.

If the test comes back clean, does that help me sell? It gives you a dated report with moisture readings, thermal images and lab results compared against an outdoor control. It describes conditions on the day of sampling. A buyer can still hire their own inspector and test during the inspection period.

How much does a pre-listing mold inspection cost in Kootenai County? $425 for a standard inspection with one indoor air sample, an outdoor control, lab fees and a written report. Additional samples are $100 each, and a typical three-sample job is about $525. There is no trip fee anywhere in Kootenai County.

Can a buyer back out after receiving my disclosure form? Under Idaho Code section 55-2515, a buyer who receives the form after entering the purchase agreement can rescind within three business days of receiving it, in a signed written notice that identifies a specific objection to a disclosure. Your agent can explain how that interacts with the deadlines in your contract.