Security Services in Mission Viejo, Ca
Welcome to Treston Security Services
Premier provider of professional security solutions for businesses, properties, and special events throughout Mission Viejo, CA, and the surrounding South Orange County communities. From master-planned residential neighborhoods and scenic lakefront properties to retail centers, medical campuses, and recreational facilities, we understand that protecting your assets, residents, employees, and guests requires more than just a presence; it demands a strategic, client-first approach tailored to the unique needs of this picturesque and family-centric city.
Specializing in Premier, Professional, Special Event, Commercial Security Services, 24/7 Patrols, Armed, and Un-Armed officers, we combine innovative strategies with a client-first approach. Our team includes professionals with military and law enforcement expertise, as well as ASIS Certified Protection Professionals (CPP) and Business Continuity Certified Professionals, ensuring unmatched expertise in security operations, risk management, and organizational resilience.
Passion. Diligence. Experience.
Our Services
Professional
Services
Premier
Services
Special Event
Services
Commercial
Services
Risk
Management
Security
Training
Plix Body
Cameras
K9
Division
Frequently Asked Questions
Lakefront properties and the surrounding neighborhoods present distinct security considerations including unauthorized access to the lake, boat theft, and trespassing on private docks and shoreline areas. Our guards conduct regular patrols of the lakefront perimeter, monitoring for unauthorized after-hours activity, checking boat storage areas, and verifying that private dock access gates remain secure. We coordinate with the Lake Mission Viejo Association to ensure that all posted rules and regulations regarding lake access and parking are enforced, while also addressing resident concerns about noise disturbances, parking violations, and suspicious activity near the water. Our officers document any safety hazards such as damaged fencing or inadequate lighting along pathways, and provide detailed digital reports to property managers and HOA boards.
Healthcare facilities in Mission Viejo require guards specifically trained in de-escalation, patient privacy awareness, and emergency response coordination. Our officers posted at medical campuses focus on access control for restricted areas such as pharmacies, laboratories, supply rooms, and administrative offices. We monitor parking structures for vehicle break-ins, assist with escorting staff to their cars during late-night shift changes, and respond to disturbances involving distressed patients, disruptive visitors, or family members. For medical office buildings, our guards manage visitor check-in, verify after-hours appointments, and conduct floor-by-floor patrols to ensure all exam rooms and waiting areas are secured at closing. All healthcare security personnel receive additional training on HIPAA awareness, crisis intervention, and coordination with first responders during any emergency.
High-traffic shopping destinations face risks including vehicle burglaries, organized retail theft, parking lot safety concerns, and after-hours loitering near dumpster enclosures and loading docks. Our guards conduct paired foot and mobile patrols of shopping center parking facilities, paying special attention to perimeter rows, stairwells, covered parking structures, and areas near major store exits. We assist with employee escort services during late-night closing shifts, document security gaps such as burnt-out lighting or malfunctioning surveillance cameras, and monitor for suspicious vehicle activity near mall entrances. For retail tenants experiencing repeat theft incidents, we offer plain-clothed loss prevention support that works discreetly alongside store management to identify and deter criminal activity while maintaining a welcoming atmosphere for shoppers.



