Every new California filing, every dayLegal ServicesLaw FirmActive
MSB Associates Law Firm
Mark Seiden, Principal
MSB Associates appears to be a law firm based in Belmont, California, as indicated by the filing address at 1920 Bishop Rd, Belmont, CA. The principal Mark Seiden is listed at the same address, suggesting a small legal practice likely operated by him.
Filed January 13, 2026 · Belmont, CA
Find new legal services businesses in Belmont, then launch a cold email campaign built for you.
Every new California filing, every day
See how it worksAbout MSB Associates Law Firm
MSB Associates Law Firm is a legal services business (Corp) registered on January 13, 2026 with the California Division of Corporations. The business is located in Belmont, California 94002-1226. The filing lists Mark Seiden as Principal.
Is this business yours?
It's getting views. Claim the page for free to control what your customers see.
Filing Details
Entity NameMSB Associates Corp.
Entity TypeCorp
Entity Number3356562
Filing DateJanuary 13, 2026
Principal AddressLocked
City / State / ZipBelmont, CA 94002-1226
TimezonePacific (PT)
EIN on FileNo
Officers / Authorized Persons
M
Document Timeline
Filing timeline will be available soon.
Frequently Asked Questions
When was MSB Associates Law Firm registered?
MSB Associates Law Firm was registered as Corp on January 13, 2026 in California.
Where is MSB Associates Law Firm located?
MSB Associates Law Firm is based in Belmont, CA, 94002-1226.
What type of business is MSB Associates Law Firm?
MSB Associates Law Firm is classified as a legal services business (law firm).
Does MSB Associates Law Firm have an EIN on file?
No EIN was found on file for MSB Associates Law Firm at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
InsuranceWeb DesignerIt ServicesOffice SuppliesAccounting
Contact information below not verified
We searched the web for this business but could not confirm a website, phone number, or email address. See our reasoning and the candidates we evaluated below.
Our Reasoning
MSB Associates appears to be a law firm based in Belmont, California, as indicated by the filing address at 1920 Bishop Rd, Belmont, CA. The principal Mark Seiden is listed at the same address, suggesting a small legal practice likely operated by him.
Potential Candidates
We searched Google Places and the web for this business. Here are the candidates we evaluated.
Web Search Candidates
emsb-law.com
Sign up to see verified contact information for new businesses in Belmont, California
Build My Campaign FreeTurn fresh legal services businesses into your next customers
We find newly registered businesses, verify their contact details, and build the campaign. You review everything before anything sends.
Build My Campaign Free ›