Every new California filing, every dayOffender Management ServicesElectronic Monitoring and SupervisionActiveVerified
Sentinel Offender Services
Mark A. Contestabile, Principal
Sentinel Offender Services provides offender management solutions, including electronic monitoring and supervision services for courts and corrections agencies. The company operates from its principal address in Anaheim, California, as listed in the LLC filing. The website offers contact information and describes services designed to track and manage offenders in the community.
Filed April 2, 2026 · Anaheim, CA
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See how it worksAbout Sentinel Offender Services
Sentinel Offender Services is a offender management services business (LLC) registered on April 2, 2026 with the California Division of Corporations. The business is located in Anaheim, California 92806. The filing lists Mark A. Contestabile as Principal.
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Filing Details
Entity NameSENTINEL OFFENDER SERVICES, LLC
Entity TypeLLC
Entity Number3415862
Filing DateApril 2, 2026
Principal AddressLocked
City / State / ZipAnaheim, CA 92806
TimezonePacific (PT)
EIN on FileNo
Verified Business Profile
SubcategoryElectronic Monitoring and Supervision
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
M
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Frequently Asked Questions
When was Sentinel Offender Services registered?
Sentinel Offender Services was registered as LLC on April 2, 2026 in California.
Where is Sentinel Offender Services located?
Sentinel Offender Services is based in Anaheim, CA, 92806.
What type of business is Sentinel Offender Services?
Sentinel Offender Services is classified as a offender management services business (electronic monitoring and supervision).
Does Sentinel Offender Services have an EIN on file?
No EIN was found on file for Sentinel Offender Services at the time of registration.
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