Every new California business filing, every dayMJ Design and Construction
Maribel Ruvalcaba, Registered Agent
MJ Design and Construction is a general building contractor based in Long Beach, CA, offering design and construction services. The business is verified with a contractor license and listed on multiple directories with the same contact information.
Filed October 10, 2025 · Brentwood, CA · Contra Costa County
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California Secretary of State (bizfile Online) · Entity B20250336088 · Retrieved May 14, 2026
About MJ Design and Construction
MJ Design and Construction filed in California on October 10, 2025, as a construction contractor specializing in general contracting. The owner, Maribel Ruvalcaba, filed personally as the registered agent. The domain was registered on April 26, 2021, 1,628 days before filing, through GoDaddy, and the website is unreachable. The principal location is Brentwood, California. No annual report or EIN on file yet. We estimate annual revenue between $100K and $1M and 1 to 5 employees.
- Filed on October 10, 2025, in California as a construction contractor.
- Owner Maribel Ruvalcaba filed personally as the registered agent.
- Domain registered 1,628 days before filing, on April 26, 2021, via GoDaddy.
- Website is unreachable.
- No annual report or EIN on file yet.
- We estimate revenue between $100K and $1M and 1 to 5 employees.
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 8 new businesses registered in Brentwood in October 2025, one of 2 construction contractor 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 MJ Design and Construction registered?
MJ Design and Construction was registered as Corp on October 10, 2025 in California.
Where is MJ Design and Construction located?
MJ Design and Construction is based in Brentwood, CA, 94513, in Contra Costa County.
What type of business is MJ Design and Construction?
MJ Design and Construction is classified as a construction contractor business (general contracting).
Does MJ Design and Construction have an EIN on file?
No EIN was found on file for MJ Design and Construction at the time of registration.
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