J & M Underground Engineering Corp.

What this record tells you

J & M Underground Engineering Corp. holds Florida licence CGC1538782, a CGC classification which authorises work as a certified/registered general contractor. A "C" prefix means the licence is certified — valid anywhere in Florida.

This licence was first issued in 2025, which makes it one of the newer licences for the trade in this area. Roughly 84% of the 5,272 active general contracting licences based in the Miami area were issued earlier than this one, and the local median sits at 2016. That is 1 year of continuous licensure.

J & M Underground Engineering Corp. is one of 3,292 active general contracting licences registered to an address in Miami, so you have local alternatives to compare quotes against.

The licence is recorded as expiring on 08/31/2028. 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 J & M Underground Engineering Corp.

• Re-check licence CGC1538782 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 J & M Underground Engineering Corp. or its qualifying agent, Tyler Oscar Hernandez.
• Compare at least three written quotes from other general contracting contractors in Miami.
• Confirm in writing that the contractor — not you — pulls the building permit.