Florida contractor license
James Alan Jefferson Jr
Jb Mechanical Contractor, LLC
Active Expires August 31, 2028
- License number
- CMC1249927
- License type
- Certified mechanical contractor
- Location
- Crystal River, FL
- Issued by
- Florida Construction Industry Licensing Board
What this license means
A certified license is a statewide license. James Alan Jefferson Jr can pull permits and contract for this work anywhere in Florida, as long as the license stays active.
Before you hire James Alan Jefferson Jr
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Confirm the record on the official site
Our copy is from the state's file dated November 8, 2026. The official record is live and also lists complaints and discipline, which our data doesn't include.
Search CMC1249927 on myfloridalicense.com (opens official site)
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Make sure the name on the contract matches
The contract, the permit and the license should all name James Alan Jefferson Jr or Jb Mechanical Contractor, LLC. A different company name on the paperwork usually means someone else is working under this license.
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Check the license covers your job
This is a certified mechanical contractor license. If your job is a different trade, the contractor needs that license too, or a licensed sub for that part.
Is this your license, or is something wrong?
This status comes from Florida DBPR licensee files (construction and electrical boards), refreshed weekly, file dated November 8, 2026, and it may have changed since. The official record is the one that counts. If it's wrong, the state has to fix it. If our page is the problem, or you want this record off our site, email us or see our corrections page.
Hiring in Florida
See the Florida contractor licensing guide for which work needs a license, small-job limits, and how to file a complaint, or the step-by-step check. Or look up another contractor.