Is It Illegal for the Same Company to Test and Clean Mold? (State Laws)

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Consumer Protection Author: Damage Verified Research Team • Based on: State Statutes (TX, NY, FL, LA, NH)

If a contractor says, “We can test it and clean it all in one package to save you money,” they are offering you a conflict of interest. In 5 states, this offer is a Class A Misdemeanor. In 45 states, it is legal but highly dangerous. You need to know your state’s stance on the “Fox Guarding the Henhouse.”

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The “Separation of Powers” Rule

Assessment (The Judge): Finds the mold, writes the plan, passes/fails the job.
Remediation (The Worker): Demolishes walls, scrubs surfaces, runs machines.

These two jobs must never meet.

1. The Scam Mechanics (How They Cheat)

Lawmakers banned this practice because when one company holds both licenses, they can manipulate the data to print money.

  • The “Up-Sell” (Pre-Test Fraud): A biased tester will use a “Swab Test” on a dusty vent (which always tests positive for mold) to terrify you. They then quote you $8,000 for a remediation you don’t need.
  • The “Free Pass” (Post-Test Fraud): After doing a lazy cleaning job, they test their own work. They might open a window or place the air pump in a different room to ensure the test “Passes.” You are left with a clean-looking house that is still toxic.
  • The Stat: Independent Assessors fail remediation jobs ~30% of the time. “In-House” Assessors fail their own company 0% of the time.

Video: Michael Rubino (Indoor Air Quality Expert) exposes the “Conflict of Interest” trap.

2. The “Strict” States (Where It Is a Crime)

If you live in these 5 states, the law is on your side. You can report any contractor attempting this to the State Licensing Board.

State The Law / Statute Penalty / Status
Texas Occupations Code § 1958.155 ILLEGAL
Penalty: $1,000 – $3,500 fine + License Suspension.
New York Labor Law Article 32 § 936 ILLEGAL
Strict prohibition on owning interest in both.
Florida Statutes § 468.8419 RESTRICTED*
Illegal to do both within 12 months on same structure.
Louisiana R.S. 37:2187 ILLEGAL
No person shall own interest in both entities.
New Hampshire RSA 310-A:189-a ILLEGAL
Requires total independence.

3. The “Wild West” States (Danger Zones)

In the other 45 states (California, Illinois, Ohio, Pennsylvania, etc.), there is no specific law banning this. This puts you at extreme risk.

In these states, “One-Stop Shops” are the norm. They will tell you: “We are certified! It’s cheaper if we do it all!”

Your Strategy: You must create the law yourself. You must refuse to hire them unless they agree to third-party verification. Treat the “Texas Law” as the gold standard, regardless of your zip code.

4. The “Shell Company” Loophole

Scammers know the law. To get around it, they create “Shell Companies.”

How it works: The husband owns “Best Mold Cleaning LLC.” The wife (or brother) owns “Safe Air Testing LLC.” They pretend to be separate companies, but the money goes into the same bank account.

How to Detect a Shell Company

Before you hire a tester recommended by your cleaner, do a 5-minute background check:

  1. Go to your Secretary of State’s “Business Search” website.
  2. Search both company names.
  3. The Red Flags:
    • Do they share the same Registered Agent?
    • Do they share the same Physical Address?
    • Do the owners have the same Last Name?

If any of these match, FIRE THEM BOTH.

5. The “Texas Standard” Contract Clause

If you are in a state where this is legal, you must add this clause to your contract before signing.

“Notwithstanding any other provision, the Contractor acknowledges that the Property Owner will employ an independent, third-party Industrial Hygienist (IEP) to perform the Post-Remediation Verification (PRV) testing. Final payment to the Contractor is contingent upon the passing of this independent PRV test. The Contractor agrees that any failed clearance test resulting from incomplete remediation will be re-cleaned at the Contractor’s sole expense.”

Find a Truly Independent Tester

Don’t trust their recommendation. Find a Certified Industrial Hygienist (CIH) who doesn’t own a hammer.

Find a Consultant →

Conclusion

The law is slow. The mold industry is fast. Just because your state allows the “Fox to Guard the Henhouse” doesn’t mean you should open the door. Be the strict property owner. Demand separation. It is the only way to know the mold is truly gone.