Every new New York business filing, every dayMastroianni Contracting
KN MASTROIANNI, LLC, Registered Agent
Mastroianni Contracting, based in Flushing, NY, offers custom home projects and remodeling services. The LLC filing under 'KN Mastroianni' likely serves as the legal entity for this contracting business.
Filed January 26, 2026 · Rockville Centre, NY · Nassau County
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New York Department of State, Division of Corporations · Entity 7816326 · Retrieved May 26, 2026
About Mastroianni Contracting
KN Mastroianni, LLC filed in New York on January 26, 2026, listing itself as its own registered agent. The company is in the Custom Home Projects subcategory of Construction & Remodeling and is based in Rockville Centre. Its domain was registered on August 30, 2014, over 11 years before the filing, through GoDaddy, and the site was built with GoDaddy Website Builder. The website is outdated. No annual report or EIN on file yet. We estimate revenue between $1 million and $10 million and 6 to 25 employees. The business has a brick-and-mortar footprint.
- Domain registered over 11 years before the company filed, suggesting a long-standing web presence.
- Filed as its own registered agent, a personal filing approach.
- Outdated website built with GoDaddy Website Builder.
- First seen by DayOneLead 120 days after filing.
- 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 29 new businesses registered in Rockville Centre in January 2026, and the only construction & remodeling 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.
Frequently Asked Questions
When was Mastroianni Contracting registered?
Mastroianni Contracting was registered as LLC on January 26, 2026 in New York.
Where is Mastroianni Contracting located?
Mastroianni Contracting is based in Rockville Centre, NY, 11570, in Nassau County.
What type of business is Mastroianni Contracting?
Mastroianni Contracting is classified as a construction & remodeling business (custom home projects).
Does Mastroianni Contracting have an EIN on file?
No EIN was found on file for Mastroianni Contracting at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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