Every new California business filing, every dayJM Insulation & Firestopping
This is a small insulation and firestopping business operating in California. While the website does not explicitly mention firestopping, the LLC filing includes firestopping as part of its name.
Filed March 13, 2026 · San Diego, CA · San Diego County
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California Secretary of State (bizfile Online) · Entity B20260124806 · Retrieved May 14, 2026
About JM Insulation & Firestopping
JM Insulation & Firestopping Inc. filed in California on March 13, 2026, with a principal address in San Diego. The company was formed through ZenBusiness, a service that also handles filings for 12,439 other entities. Its domain was registered 5 years before the filing, on July 28, 2021, through GoDaddy, but the website is currently unreachable. No annual report or EIN on file yet. We estimate revenue between $100,000 and $1 million and 1 to 5 employees, with a brick-and-mortar footprint in insulation and firestopping installation.
- Domain registered 5 years before the filing date.
- Filed through ZenBusiness, a formation service.
- Same registered agent used by 12,439 other entities.
- Website is unreachable.
- 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 421 new businesses registered in San Diego in March 2026, and the only insulation and firestopping 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 JM Insulation & Firestopping registered?
JM Insulation & Firestopping was registered as Corp on March 13, 2026 in California.
Where is JM Insulation & Firestopping located?
JM Insulation & Firestopping is based in San Diego, CA, 92111, in San Diego County.
What type of business is JM Insulation & Firestopping?
JM Insulation & Firestopping is classified as a insulation and firestopping business (insulation installation).
Does JM Insulation & Firestopping have an EIN on file?
No EIN was found on file for JM Insulation & Firestopping at the time of registration.
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