Mariner Roofing LLC
32+ yrsTavernier, FL 33070
CCC057082 · licensed since 1994
Certified/Registered Roofing Contractor · Tavernier, FL
| License number | CCC056640 |
| License type | CCC — Certified/Registered Roofing Contractor |
| License holder | Robert Daniel Guenther |
| Location | 110 Pueblo Street, Tavernier, FL 33070 |
| Licensed since | 2000 |
| License expires | 08/31/2028 |
| Status in DBPR records | Current, Active (as of 2026-08-11) |
Verify license CCC056640 on the official Florida DBPR site ↗
Guenther Construction Inc holds Florida licence CCC056640, a CCC classification which authorises work as a certified/registered roofing contractor. A "C" prefix means the licence is certified — valid anywhere in Florida.
This licence was first issued in 2000, which makes it one of the longest-held licences for the trade in this area. Roughly 16% of the 37 active roofing licences based in the Key West & The Keys area were issued earlier than this one, and the local median sits at 2011. That is 26 years of continuous licensure.
Guenther Construction Inc is one of 6 active roofing licences registered to an address in Tavernier, so you have local alternatives to compare quotes against. Robert Daniel Guenther additionally holds 1 other active Florida licence in our records, which can indicate a contractor qualified across more than one trade or entity.
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.
This page is generated from Florida DBPR public license records and is shown for consumer-protection purposes. Guenther Construction Inc has not claimed this page, is not a sponsor, and no endorsement is implied. Figures comparing this licence to others are calculated from the same public dataset, last refreshed 2026-08-11. Always re-verify license status and insurance directly before hiring.
Tavernier, FL 33070
CCC057082 · licensed since 1994
Tavernier, FL 33070
CCC1327706 · licensed since 2006
Tavernier, FL 33070
CCC1328542 · licensed since 2008
Tavernier, FL 33070
CCC1328865 · licensed since 2008
Tavernier, FL 33070
CCC1329578 · licensed since 2010
Margate, FL 33068
CCC057987 · licensed since 2000
Florida records these licences under the same qualifying agent name. A single qualifying agent can hold licences across several trades or entities, so this is a name match in the public register — not proof that the same person or business is behind each one.
Tavernier, FL 33070
CGC028631 · licensed since 1984