Every new New York business filing, every dayCastle Rock Group
Sebastian Rincon, Registered Agent
CastleRock Group appears to be a real estate services company based in White Plains, NY, with a team of professionals and a focus on REO (real estate owned) management. The website lists a team and contact phone number, indicating an active operating business. The LLC name 'CASTLE ROCK SR LLC' likely relates to this company, possibly as a holding or specific entity.
Filed August 6, 2025 · Centereach, NY · Suffolk County
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New York Department of State, Division of Corporations · Entity 7678415 · Retrieved May 6, 2026
About Castle Rock Group
Sebastian Rincon filed CASTLE ROCK SR LLC personally as the registered agent in New York on August 6, 2025, as a real estate REO management firm based in Centereach. The domain was registered at GoDaddy on February 1, 2010, 5,665 days before the filing, and the business was first seen by DayOneLead on May 6, 2026, 273 days after filing. One other entity shares its address. No annual report or EIN on file yet. We estimate revenue between $10M and $50M and 6 to 25 employees, with a hybrid footprint and a modern website.
- Filed in New York on August 6, 2025, as a real estate REO manager.
- Owner Sebastian Rincon filed personally as the registered agent.
- Domain registered at GoDaddy 5,665 days before filing.
- First seen by DayOneLead 273 days after filing.
- One other entity shares its Centereach address.
- We estimate revenue of $10M-$50M and 6-25 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 16 new businesses registered in Centereach in August 2025, one of 3 real estate 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.
Frequently Asked Questions
When was Castle Rock Group registered?
Castle Rock Group was registered as LLC on August 6, 2025 in New York.
Where is Castle Rock Group located?
Castle Rock Group is based in Centereach, NY, 11720, in Suffolk County.
What type of business is Castle Rock Group?
Castle Rock Group is classified as a real estate business (reo management).
Does Castle Rock Group have an EIN on file?
No EIN was found on file for Castle Rock Group at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
4 companies similar to Castle Rock Group registered in Suffolk County in the last 30 days
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