The short answer
State mold licensing is far less widespread than published lists suggest. A small number of states license mould work directly. Several states that appear on circulating lists have repealed their programmes, never funded them, or passed a law that is not yet in force. We checked the primary sources and corrected them below.
Key takeaways
- Virginia repealed its mould regulations. Maryland’s programme terminated in 2019. Arkansas repealed its licence in 2011. Illinois passed a law that is not in effect.
- Texas moved mould licensing from the health department to TDLR in 2017, so any source citing DSHS is stale.
- New Hampshire requires a private third-party certification rather than issuing a state licence, so there is no state roster.
- Asbestos is different: under the federal AHERA framework, accreditation is effectively universal across states.
Lists of which states license mould professionals circulate widely and contradict each other. Several of the most-shared versions are wrong. We checked each claim against the state’s own statute, regulation or agency page, and the corrections are more interesting than the list.
States that license mould work directly
| State | Agency | What is licensed | Public roster |
|---|---|---|---|
| Florida | Department of Business and Professional Regulation | Mould assessors and mould remediators, licensed separately | Yes, bulk file. Our pull on 23 September 2026 returned 6,875 records: 3,310 assessors and 3,192 remediators. |
| Texas | Department of Licensing and Regulation | Workers, technicians, consultants, contractors, companies and labs | Yes, per-category files. |
| New York | Department of Labor | Mould assessment, remediation and abatement licences | Yes. Our pull returned 2,507 contractor licences and 9,143 individual licences. |
| Louisiana | State Licensing Board for Contractors | Mould remediation classification | Interactive search only. |
The corrections
These are the states most commonly listed incorrectly. Each correction below rests on the state’s own statute, regulation or agency page.
| State | Commonly listed as | Actually |
|---|---|---|
| Virginia | Licenses mould professionals | The mould regulations were repealed. The relevant board covers asbestos, lead and home inspectors. |
| Maryland | Licenses mould remediation | The Mold Remediation Services Act was never funded and the subtitle terminated on 1 July 2019. |
| Illinois | Licenses or registers mould remediators | A law was enacted but rules were never adopted. The health department states that professionals are not required to register until rules are adopted. |
| Arkansas | Licenses mould investigators | The 2009 licensing act was repealed in 2011. What remains is non-binding guidance. |
| Texas | Administered by the Department of State Health Services | Moved to the Department of Licensing and Regulation in November 2017. The old health department URL no longer resolves. |
| New Hampshire | Licenses mould assessors | Requires a private third-party certification from an accredited body. The state issues nothing and keeps no roster. |
| Kentucky | No mould regulation | No licence, but enforceable conduct standards for mould remediation companies, administered by the Attorney General’s consumer protection office rather than an environmental agency. |
| Maine | Regulates mould assessment and remediation | The chapter title suggests a licensing regime. It is a single section requiring a conflict-of-interest disclosure when one party does both assessment and remediation. |
Why the published lists are wrong
Most circulating lists are maintained by training vendors, whose commercial interest runs towards more states appearing to require credentials. They also tend to be written once and never revisited, so repeals and terminations never propagate. Programmes that were enacted but never funded are the most common error, because the enabling statute is real and easy to find while the absence of implementing rules is not.
Asbestos works differently
Where mould licensing is patchy, asbestos is close to universal. Under the federal AHERA framework and its model accreditation plan, states either run an approved accreditation programme or federal requirements apply. EPA state asbestos contacts maintains a contact for every state. So for asbestos the useful question is not whether a state regulates it but which agency does, and that varies widely between health, environment, labour and professional licensing departments.
Questions people actually ask
Do you need a license for mold remediation?
It depends entirely on the state, and on less states than commonly claimed. Florida, Texas, New York and Louisiana regulate it directly. Many states do not regulate mould work at all, and several that appear on published lists have repealed or never implemented their programmes.
Which states require mold certification?
Florida, Texas, New York and Louisiana have direct programmes. New Hampshire requires a private third-party certification for residential mould assessment without issuing a state credential. Kentucky imposes conduct standards without licensing.
Does Virginia license mold remediators?
No. The mould regulations were repealed. The relevant board covers asbestos, lead and home inspectors.
Is mold remediation regulated federally?
No. There is no federal mould licensing scheme and no federal permissible exposure limit for mould. The EPA publishes guidance, and regulation, where it exists, is at state level.
Sources
- Florida Statutes Chapter 468, Part XVI, Mold-Related Services. Retrieved 23 September 2026.
- Florida Department of Business and Professional Regulation mould licensee extract, 6,875 records. Retrieved 23 September 2026.
- Texas Department of Licensing and Regulation, Mold Assessors and Remediators programme. Programme moved from the Department of State Health Services effective 1 November 2017. Retrieved 23 September 2026.
- New York State Department of Labor mold program. Licence counts from New York State open data: 2,507 contractor and 9,143 individual licences. Retrieved 23 September 2026.
- Kentucky Energy and Environment Cabinet, mould page, stating that mould exposure is not regulated in Kentucky while remediation companies are regulated under Title 040 Chapter 2. Retrieved 23 September 2026.
- New Hampshire Office of Professional Licensure and Certification, mould assessment certification requirement under RSA 310-A:189-b. Retrieved 23 September 2026.
- Maine Revised Statutes Title 10, Chapter 217-A, section 1480, disclosure statement required. Retrieved 23 September 2026.
- EPA state asbestos contacts. Retrieved 23 September 2026.