Every new California filing, every dayGym / Physical Fitness CenterPowerlifting/Personal TrainingActiveVerified
Fitness Underground
Abraham Abdul Sater, Registered Agent
Fitness Underground Gyms LLC operates a gym called Fitness Underground in Upland, CA, offering 24/7 access, personal training, and powerlifting coaching. The website lists the address at 1410 East Foothill Boulevard, Upland, CA. The business is active and has a strong online presence across multiple directories.
Filed October 16, 2025 · San Dimas, CA
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See how it worksAbout Fitness Underground
Fitness Underground is a gym / physical fitness center business (LLC) registered on October 16, 2025 with the California Division of Corporations. The business is located in San Dimas, California 91773. The filing lists Abraham Abdul Sater as Registered Agent.
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Filing Details
Entity NameFitness Underground Gyms LLC
Entity TypeLLC
Entity NumberB20250344509
Filing DateOctober 16, 2025
Principal AddressLocked
City / State / ZipSan Dimas, CA 91773
EIN on FileNo
Registered AgentAbraham Abdul Sater
Verified Business Profile
SubcategoryPowerlifting/Personal Training
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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Document Timeline
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Frequently Asked Questions
When was Fitness Underground registered?
Fitness Underground was registered as LLC on October 16, 2025 in California.
Where is Fitness Underground located?
Fitness Underground is based in San Dimas, CA, 91773.
What type of business is Fitness Underground?
Fitness Underground is classified as a gym / physical fitness center business (powerlifting/personal training).
Does Fitness Underground have an EIN on file?
No EIN was found on file for Fitness Underground at the time of registration.
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