Every new Connecticut business filing, every dayGreenwich Plumbing Services
Jason Grabowski, Principal
Greenwich Plumbing Services is a local plumbing company based in Cos Cob, CT, serving the Greenwich area. The business offers premium plumbing services, as stated on its website, and is operated by Jason Grabowski, who is listed as the principal on the LLC filing. The company's website and filing address both place it in the Greenwich, CT region, confirming it as a small, owner-operated service business.
Filed April 23, 2026 · Cos Cob, CT · Fairfield County
Find new plumbing services businesses in Cos Cob, then launch a cold email campaign built for you.
Every new Connecticut filing, every day
See how it worksSource
Connecticut Secretary of the State (business.ct.gov) · Entity 3429743 · Retrieved July 27, 2026
About Greenwich Plumbing Services
Greenwich Plumbing Services LLC filed in Connecticut on April 23, 2026, and is based in Cos Cob. The company registered its domain 9 days after filing, on May 2, 2026, through NameCheap. Its website is a modern site that matches the filing name and address. The principal is Jason Grabowski. Two other entities share the same address, and four share the same owner name. We estimate revenue between $100,000 and $1 million and 1 to 5 employees, with a brick-and-mortar presence. No annual report or EIN on file yet.
- Domain registered 9 days after the Connecticut filing date.
- Website confirmed to match the filing name and address.
- Principal is Jason Grabowski.
- Two other entities share the same address; four share the same owner name.
- We estimate revenue between $100,000 and $1 million and 1 to 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 23, 2026.
One of 13 new businesses registered in Cos Cob in April 2026, and the only plumbing services business registered there that month.
Is this business yours?
It's getting views. Claim the page for free to control what your customers see.
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 Greenwich Plumbing Services registered?
Greenwich Plumbing Services was registered as LLC on April 23, 2026 in Connecticut.
Where is Greenwich Plumbing Services located?
Greenwich Plumbing Services is based in Cos Cob, CT, 06807-2701, in Fairfield County.
What type of business is Greenwich Plumbing Services?
Greenwich Plumbing Services is classified as a plumbing services business (residential and commercial plumbing).
Does Greenwich Plumbing Services have an EIN on file?
No EIN was found on file for Greenwich Plumbing Services at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
Turn fresh plumbing services businesses into your next customers
We find newly registered businesses, verify their contact details, and build the campaign. You review everything before anything sends.
Build My Campaign Free ›