G M Northrup Corporation

What this record tells you

G M Northrup Corporation holds Florida licence CGC1508620, 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 2005, which makes it a long-held licence for the trade in this area. Roughly 28% of the 230 active general contracting licences based in the Key West & The Keys area were issued earlier than this one, and the local median sits at 2012. That is 21 years of continuous licensure.

G M Northrup Corporation is one of 44 active general contracting licences registered to an address in Key Largo, 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 G M Northrup Corporation

• Re-check licence CGC1508620 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 G M Northrup Corporation or its qualifying agent, Raymond Dahl Jones.
• Compare at least three written quotes from other general contracting contractors in Key West & The Keys.
• Confirm in writing that the contractor — not you — pulls the building permit.