Best Security Systems in San Carlos, CA

read more › For over 40 years, Allied Security Alarms has earned it's customer's trust and confidence by providing personal service and prompt response. Our Central Monitoring Station, located in our offices, operates 7 days a week, 24 hours per day. We provide monitoring services to other alarm companies and government agencies. When you call us for a free estimate, you also receive a free security review from our technician who will inspect your homes and places of business. Security is Our Only Business