Every new California business filing, every dayEthereum House
Thomas Redfern, Registered Agent
Ethereum House LLC appears to operate as a builders studio and community hub for Ethereum developers in Silicon Valley, as indicated by the Substack announcement and contact email. The business is likely the legal entity behind the Ethereum House project.
Filed May 4, 2026 · San Francisco, CA · San Francisco County
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California Secretary of State (bizfile Online) · Entity B20260212351 · Retrieved May 13, 2026
About Ethereum House
Ethereum House LLC filed in California on May 4, 2026, with a principal address in San Francisco. Owner Thomas Redfern filed personally as the registered agent. The domain was registered on April 27, 2010, over 16 years before filing, through Amazon Registrar. The company was first seen by DayOneLead nine days after filing. No annual report or EIN on file yet. We estimate revenue under $100,000 and 1-5 employees, with a brick-and-mortar footprint and a modern website.
- Domain registered 5,851 days before filing, indicating a long-established online presence.
- Owner Thomas Redfern filed personally as registered agent.
- First seen by DayOneLead only 9 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 23, 2026.
One of 155 new businesses registered in San Francisco in May 2026, and the only ethereum development hub 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 Ethereum House registered?
Ethereum House was registered as LLC on May 4, 2026 in California.
Where is Ethereum House located?
Ethereum House is based in San Francisco, CA, 94103, in San Francisco County.
What type of business is Ethereum House?
Ethereum House is classified as a ethereum development hub business (blockchain education and community).
Does Ethereum House have an EIN on file?
No EIN was found on file for Ethereum House at the time of registration.
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