Michigan · state and federal sources
Restoration and mold rules in Michigan
What the state requires, quoted from the source. Checked October 2026. Not legal advice.
Does Michigan license mold remediation companies?
No. Michigan does not license mold remediation or mold testing companies. The Michigan Department of Health and Human Services says the state does not certify mold remediators or testers. A contractor doing residential repair work of $600 or more in labor and materials must hold a Michigan residential builder or maintenance and alteration license from LARA.
The rules, quoted
The Michigan Department of Health and Human Services states Michigan does not certify mold remediators or mold testing companies.
"The State of Michigan does not provide certification for "mold remediators" or mold testing companies." All About Mold (MDHHS)
MDHHS states there are no laws about mold in Michigan homes, and that building codes, public health codes and other laws address safe housing.
"There are no laws about mold in Michigan homes, but there are building codes, public health codes and other laws that make sure everyone has safe and healthy housing in Michigan." Mold and Homeowners (MDHHS PDF)
LARA tells homeowners that contractors doing work totaling $600 or more in labor and materials must be licensed by LARA.
"You should be aware that all contractors offering to do work which totals $600 or more in labor and materials must be licensed by the Department of Licensing and Regulatory Affairs." Helpful Information for Homeowners (LARA Residential Builders)
A person working on one project is exempt from the license when the aggregate contract price is under $600. The exemption does not apply to part of a larger operation or to contracts split to evade the act.
"(f) A person that is working on 1 undertaking or project by 1 or more contracts, if the aggregate contract price for the labor, material, and any other items for the undertaking or project is less than $600.00. The exemption described in this subdivision does not apply if the work of a construction is only a part of a larger or major operation, whether undertaken by the same or a different residential builder or residential maintenance and alteration contractor, or in which a division of the operation is made in contracts of amounts less than $600.00, to evade this act." MCL 339.2403 (Occupational Code)
EPA says mold areas under about 10 square feet can in most cases be handled by the occupant; larger areas or heavy water damage point to EPA's remediation guide.
"If the moldy area is less than about 10 square feet (less than roughly a 3 ft. by 3 ft. patch), in most cases, you can handle the job yourself, follow the guidelines. However: If there has been a lot of water damage, and/or mold growth covers more than 10 square feet, consult EPA's Mold Remediation in Schools and Commercial Buildings." A Brief Guide to Mold, Moisture, and Your Home (EPA)
EPA says to dry water-damaged areas and items within 24-48 hours to prevent mold growth.
"It is important to dry water-damaged areas and items within 24-48 hours to prevent mold growth." A Brief Guide to Mold, Moisture, and Your Home (EPA)
MDHHS (not EGLE) hosts Michigan's mold guidance. It says MDHHS cannot test homes and does not recommend mold testing.
"Please note: MDHHS can't test your home for mold. We also do not recommend testing for mold." All About Mold (MDHHS)
Get free quotes from mold remediation companies near Michigan
Tell us what happened. We pass your request to up to 3 mold remediation companies near you. It is free, and you do not have to hire anyone. This is TownAnswer's own quote service, separate from the businesses listed here.
For a gas leak or an active fire, leave the building and call 911.
Find a company
Water damage restoration companies in MichiganMold remediation companies in MichiganRestoration costs in Michigan
Questions
Does Michigan license mold remediation companies?
No. Michigan does not license mold remediation or mold testing companies. The Michigan Department of Health and Human Services says the state does not certify mold remediators or testers. A contractor doing residential repair work of $600 or more in labor and materials must hold a Michigan residential builder or maintenance and alteration license from LARA.
How do I check a contractor's license in Michigan?
Search the contractor's name on LARA's license lookup at michigan.gov/lara before you sign.
When should I call a professional for mold?
EPA says areas under about 10 square feet can in most cases be handled by the occupant. Call a professional for larger areas or after heavy water damage.