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Mainline Plumbing Service
Mike Bornhorst, CEO
A plumbing, AC, and electrical service provider operating in South Florida since 2012.
Filed October 31, 2025 · Pompano Beach, FL · Miami-Dade County
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Florida Division of Corporations (Sunbiz) · Entity M25000017030 · Retrieved April 17, 2026
About Mainline Plumbing Service
MAINLINE PLUMBING SERVICE, LLC filed in Florida on October 31, 2025, but its domain was registered over five years earlier in 2019. The company is led by CEO Mike Bornhorst and has three officers. It is one of 5,217 entities using the same registered agent service. Its modern website confirms the filing identity. No annual report or EIN on file yet.
- Domain registered 2,140 days before filing.
- Filed through a company acting as registered agent (ION SERVICE COMPANY).
- Shares its registered agent with 5,217 other entities.
- Website identity confirmed matching filing name.
- Three officers listed: CEO, VPAS, and VPS.
Compiled from the state record, the company's public web presence, and our own research. Updated August 23, 2026.
One of 151 new businesses registered in Pompano Beach in October 2025, one of 4 contractor businesses.
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Filing Details
Entity NameMAINLINE PLUMBING SERVICE, LLC
Entity TypeFORL
Entity NumberM25000017030
Filing DateOctober 31, 2025
Principal AddressLocked
City / State / ZipPompano Beach, FL 33069
CountyMiami-Dade
TimezoneEastern (ET)
EIN on FileNo
Registered AgentION SERVICE COMPANY
Agent AddressLocked
Filed ViaAnother company: ION SERVICE COMPANY
WebsiteYes · domain registered 2140 days before filing · registrar GoDaddy
Website BuildModern
Annual ReportNot yet filed
Related Filings5217 with the same registered agent
First Recorded by DayOneLeadApril 17, 2026 (168 days after filing)
Verified Business Profile
SubcategoryPlumbing
Contact Information
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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.
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Officers / Authorized Persons
Frequently Asked Questions
When was Mainline Plumbing Service registered?
Mainline Plumbing Service was registered as FORL on October 31, 2025 in Florida.
Where is Mainline Plumbing Service located?
Mainline Plumbing Service is based in Pompano Beach, FL, 33069, in Miami-Dade County.
What type of business is Mainline Plumbing Service?
Mainline Plumbing Service is classified as a contractor business (plumbing).
Is Mainline Plumbing Service still active?
According to the Florida Division of Corporations, Mainline Plumbing Service's current record status is "active".
Does Mainline Plumbing Service have an EIN on file?
No EIN was found on file for Mainline Plumbing Service at the time of registration.
Who Sells to This Business
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