GATES, AUTOMATION & ACCESS CONTROL
Serving California with Expert Gate Automation, Garage Doors Residential & Commercial Security Solutions
Residential and Commercial Services
Residential Services
Comprehensive residential gate, door, and access control solutions for homeowners. From elegant driveway gates to secure garage doors and modern intercom systems, we provide beautiful and functional security solutions that enhance your home's curb appeal and protect your family. Our expert team specializes in custom designs that perfectly complement your property's architecture.
Commercial Gate Services
Comprehensive commercial gate solutions including automatic sliding gates, swing gates, and industrial-grade access control systems. We specialize in heavy-duty gate installations for warehouses, business parks, gated communities, and industrial facilities. Our expert technicians ensure seamless integration with your existing security infrastructure while maximizing property protection and operational efficiency.
Commercial Door Services
Professional door installation and repair services for commercial properties. From elegant exterior entry doors to secure interior access doors, we provide beautiful and functional solutions in virtually any style. Our services include garage doors, storm panels, rolling shutters, and custom door designs that enhance both security and aesthetic appeal of your property.
Professional Locksmith Services
Expert locksmith services available 24/7 for residential, commercial, and automotive needs. From emergency lockouts to lock repairs, rekeying, and security system installations, our certified locksmiths provide fast, reliable service throughout Southern California. Trust our experienced team for all your lock and key solutions.
Commercial Fence Repair & Installation
Expert fence installation and repair services that add privacy, security, and value to your property. We specialize in custom fence designs built to last, from decorative wrought iron to heavy-duty chain link and wood privacy fencing. Our team provides fast, affordable solutions that perfectly complement your landscape while delivering the security and privacy you need.
Gate Automation & Remote Access
Transform your manual gate into a state-of-the-art automated system with our advanced gate automation solutions. We install high-quality gate operators, remote control systems, smartphone integration, and multi-user access management. Enjoy the convenience of controlling your gate from anywhere while maintaining maximum security for your property.
Intercom & Security Systems
Modern video and audio intercom systems with crystal-clear HD video quality and two-way communication. Our intercom solutions integrate seamlessly with gates, access control, and smartphone apps, allowing you to see and communicate with visitors before granting entry. Perfect for residential estates, apartment complexes, and commercial properties seeking enhanced security.
24/7 Service Non Emergency
Round-the-clock customer support and service scheduling for all gate, door, and access control systems. Our dedicated customer service team is available 24/7 to answer your questions, schedule appointments, and provide expert guidance. Whether you need routine maintenance, service inquiries, or consultation on your gate and door systems, our friendly staff is here to help you every step of the way.
About Us
Southern California's Leading Gate & Door Specialists
ALPHA SECURITY GROUP is Southern California's premier provider of gate automation, door installation, and access control solutions. From the bustling streets of Los Angeles to the scenic neighborhoods of Corona, from the vibrant communities of Riverside to the growing cities of Ontario and Rancho Cucamonga, we bring over 15 years of specialized industry experience to every project. Our expertise spans residential estates in Pasadena, commercial facilities in Anaheim, industrial complexes in San Bernardino, and multi-family properties throughout the Inland Empire.
Whether you're in Fontana, Moreno Valley, Pomona, or Temecula, we deliver cutting-edge automatic gate systems, custom wrought iron gates, sliding gates, swing gates, commercial door installation, fence repair, and comprehensive security solutions. From Orange County gems like Irvine and Newport Beach to the desert communities of Palm Springs and Indio, our team of licensed, insured, and certified technicians combines advanced technical expertise with exceptional customer service. We've proudly served homeowners in Chino Hills, businesses in Upland, and estates in Redlands—ensuring every installation exceeds the highest standards of quality, reliability, and safety.
Whether you need a new automated gate system in Murrieta, emergency repair services in Claremont, access control integration in La Verne, or custom security solutions in Norco, we're committed to protecting what matters most to you. Serving communities from San Diego to Santa Clarita, from Long Beach to Victorville, we offer competitive pricing, free consultations, same-day service, and comprehensive warranties on all installations. Experience the difference that professional craftsmanship and dedicated service make across all of Southern California.
Licensed & Insured
Fully certified technicians and comprehensive insurance coverage
Premium Quality Products
We use only the finest gate automation systems and components
Warranty Protection
Comprehensive warranties on all installations and repairs
Thousands
Satisfied Clients
8,818+
Projects Completed
20
Years Experience
100%
Satisfaction Rate
What We Do
Featured Projects
Comprehensive security solutions for every need across Southern California.
What Our Customers Say
5.0 rating on Google · 8 reviews"I highly recommend Alpha Security Group. I needed a gate repair, it fell out of alignment and was also a security risk since I couldn't secure it. ASG came out the same day and offered couple solutions. There was no hard selling or pressure tactics. We discussed the options and scheduled an appointment for the following week. Very friendly and the work was completed in one day. The gate repair exceeded my expectations much more secure and nicely done."
James C.
Google review · October 2026
"Great service and very professional. They arrived quickly, fixed the gate and the automation system, and explained everything clearly. Clean work, fair price, and friendly attitude. Highly recommended for anyone who needs gate repair or gate automation service."
Ofek Levy
Google review · July 2026
"Great quality workmanship. Very friendly during installation."
Bill Cavanaugh
Google review · June 2026
"Great communication prior to arrival. Arrived on time! Got our gate fixed in no time. Professional and efficient! Thank you so much."
Tita McGreal
Google review · June 2026
"Prompt, courteous, and professional!"
Angela B.
Google review · June 2026
"This company is absolutely amazing! They were very honest, they explained everything step by step and if they have the tools and the parts to fix it right there, they will. They saved me from spending 10k from a company that tried to rip me off. They will definitely have my business. Give them a call!!! And to Alpha Security Group, Thank you."
Beverly Popper
Google review · May 2026
"He was on time, communicated and got the job done in less time expected."
Angela Montanez
Google review · May 2026
"Alpha security group did an amazing job repairing my driveway gate. The owner took the time to walk me through the entire repair process and provided valuable troubleshooting tips for the future. He was professional, personable, and I highly recommend their services. Thank you again Alpha Security Group!"
Tyler S.
Google review · April 2026
Contact Us
Get Your Free Quote Today
Ready to enhance your property's security with professional gate installation or repair? Contact Alpha Security Group for a free consultation, competitive pricing, and same-day service availability. Alpha Security Group serves all of Southern California, including Corona, Riverside, Los Angeles, Ontario, Rancho Cucamonga, Fontana, Moreno Valley, Temecula, Anaheim, Irvine, and more.
Address & Hours
2953 Sierra Ave, Norco, CA 92860
Mon-Thu 8:00 AM-5:00 PM, Fri 8:00 AM-3:00 PM, Sat-Sun Closed
24/7 answering service, leave a message any time.
See your gate before it's built
Upload a photo of your driveway, describe the gate you have in mind, and our AI design studio shows a concept of it on your own property.