Michael Joseph Sr Gruber

What this record tells you

Michael Joseph Sr Gruber holds Florida licence MRSR4160, a MRSR classification which authorises work as a licensed mold remediator. An "R" prefix means the licence is registered, which limits work to the local jurisdictions that accepted it rather than the whole state.

This licence was first issued in 2021, which makes it a relatively recent licence for the trade in this area. Roughly 63% of the 249 active mold remediation licences based in the West Palm Beach area were issued earlier than this one, and the local median sits at 2019. That is 5 years of continuous licensure.

Michael Joseph Sr Gruber is one of 6 active mold remediation licences registered to an address in Tequesta, so you have local alternatives to compare quotes against. Michael Joseph Sr Gruber additionally holds 4 other active Florida licences in our records, which can indicate a contractor qualified across more than one trade or entity.

The licence is recorded as expiring on 07/31/2028. Florida licences renew on a fixed cycle, and a licence that is not renewed moves to delinquent status — which is why the expiry date matters if you are planning work close to that date. Confirm the current status on the state portal before signing a contract.

Before you hire Michael Joseph Sr Gruber

• Re-check licence MRSR4160 on the DBPR portal — status can change any day.
• Ask for a current certificate of liability insurance and workers' compensation, issued to you directly by their insurer.
• Confirm the name on your contract matches Michael Joseph Sr Gruber or its qualifying agent, Michael Joseph Sr Gruber.
• Compare at least three written quotes from other mold remediation contractors in West Palm Beach.
• Confirm in writing that the contractor — not you — pulls the building permit.