Every new Connecticut business filing, every dayJJC Construction
Joseph Corcoran, Principal
JJC Construction LLC is a design-build construction company specializing in accessory dwelling units. The business is registered in Plainfield, Connecticut, but its website lists a Los Angeles phone number and address, suggesting possible multi-state operations or a recent relocation. The site emphasizes custom construction projects and invites contact for ADU needs.
Filed February 20, 2026 · Plainfield, CT · Windham County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3382570 · Retrieved July 27, 2026
About JJC Construction
JJC Construction LLC filed in Connecticut on February 20, 2026, as a design-build construction company. Its principal address is in Plainfield. The company has a website built with GoDaddy Website Builder. Principal Joseph Corcoran is listed as the owner. First seen by DayOneLead 157 days after filing. No annual report or EIN on file yet. We estimate revenue under $100,000 and 1-5 employees, with a brick-and-mortar footprint.
- Filed in Connecticut with a Plainfield principal address.
- Website built with GoDaddy Website Builder.
- Principal Joseph Corcoran is the owner.
- First seen by DayOneLead 157 days after filing.
- We estimate revenue under $100,000 and 1-5 employees.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 24, 2026.
One of 9 new businesses registered in Plainfield in February 2026, and the only construction business registered there that month.
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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.
Officers / Authorized Persons
Frequently Asked Questions
When was JJC Construction registered?
JJC Construction was registered as LLC on February 20, 2026 in Connecticut.
Where is JJC Construction located?
JJC Construction is based in Plainfield, CT, 06374, in Windham County.
What type of business is JJC Construction?
JJC Construction is classified as a construction business (design-build).
Does JJC Construction have an EIN on file?
No EIN was found on file for JJC Construction at the time of registration.
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