Hallandale, FL 33009
CAC056858 · licensed since 1994
Certified/Registered Air Conditioning or Mechanical Contractor · Hallandale, FL
| License number | CMC056777 |
| License type | CMC — Certified/Registered Air Conditioning or Mechanical Contractor |
| License holder | Donald F Koski |
| Location | PO Box 3621, Hallandale, FL 33008 |
| Licensed since | 1995 |
| License expires | 08/31/2028 |
| Status in DBPR records | Current, Active (as of 2026-08-11) |
Verify license CMC056777 on the official Florida DBPR site ↗
Don Koski Plumbing Contractor Inc holds Florida licence CMC056777, a CMC classification which authorises work as a certified/registered air conditioning or mechanical contractor. A "C" prefix means the licence is certified — valid anywhere in Florida.
This licence was first issued in 1995, which makes it one of the longest-held licences for the trade in this area. Roughly 9% of the 1,128 active hvac & ac repair licences based in the Fort Lauderdale area were issued earlier than this one, and the local median sits at 2018. That is 31 years of continuous licensure.
Don Koski Plumbing Contractor Inc is one of 3 active hvac & ac repair licences registered to an address in Hallandale, so you have local alternatives to compare quotes against. Donald F Koski 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. Don Koski Plumbing Contractor 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.
Hallandale, FL 33009
CAC056858 · licensed since 1994
Hallandale, FL 33009
CAC1824674 · licensed since 2026
Dania Beach, FL 33004
CAC057074 · licensed since 1995
Coconut Creek, FL 33066
CMC056828 · licensed since 1996
Coconut Creek, FL 33073
CAC057014 · licensed since 1995
Parkland, FL 33076
CAC057142 · licensed since 1996
See all hvac & air conditioning contractors in Fort Lauderdale →
Don Koski Plumbing Contractor Inc is #111 of 1,128 hvac & air conditioning contractors in Fort Lauderdale by length of licensure — that places this record on page 2 of the Fort Lauderdale list.
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.
Hallandale, FL 33008
CFC026515 · licensed since 1983