Every new Florida business filing, every dayCast Construction
Mariel Harkin, Authorized Member
A construction business specializing in sunrooms, decks, railings, windows, and outdoor living spaces.
Filed November 3, 2025 · Jupiter, FL · Martin County
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Florida Division of Corporations (Sunbiz) · Entity L25000501111 · Retrieved April 15, 2026
About Cast Construction
CAST CONSTRUCTION LLC filed in Florida on November 3, 2025, as a construction contractor in Jupiter. Authorized members are Mariel Harkin and Christopher Alvarez. Mariel Harkin filed personally as registered agent. The domain was registered on February 21, 2026, 110 days before the filing, through Cloudflare. The website is modern. No annual report or EIN on file yet.
- Domain registered 110 days before the filing date.
- Two authorized members: Mariel Harkin and Christopher Alvarez.
- Owner filed personally as registered agent.
- Website is modern.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research. Updated August 24, 2026.
One of 163 new businesses registered in Jupiter in November 2025, one of 6 contractor businesses.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
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Frequently Asked Questions
When was Cast Construction registered?
Cast Construction was registered as FLAL on November 3, 2025 in Florida.
Where is Cast Construction located?
Cast Construction is based in Jupiter, FL, 33469, in Martin County.
What type of business is Cast Construction?
Cast Construction is classified as a contractor business (construction).
Is Cast Construction still active?
According to the Florida Division of Corporations, Cast Construction's current record status is "active".
Does Cast Construction have an EIN on file?
No EIN was found on file for Cast Construction at the time of registration.
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