Mark Steven Byrne

What this record tells you

Mark Steven Byrne holds Florida licence MRSR1915, 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 2011, which makes it a long-held licence for the trade in this area. Roughly 1% of the 147 active mold remediation licences based in the St. Petersburg & Clearwater area were issued earlier than this one, and the local median sits at 2020. That is 15 years of continuous licensure.

Mark Steven Byrne is one of 20 active mold remediation licences registered to an address in New Port Richey, so you have local alternatives to compare quotes against. Mark Steven Byrne 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 Mark Steven Byrne

• Re-check licence MRSR1915 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 Mark Steven Byrne or its qualifying agent, Mark Steven Byrne.
• Compare at least three written quotes from other mold remediation contractors in St. Petersburg & Clearwater.
• Confirm in writing that the contractor — not you — pulls the building permit.