A good system starts with a good conversation
Let’s get your questions answered.
Need help choosing equipment, checking compatibility or preparing for monitoring? Tell us what you’re working on.
Prefer to call? (800) 564-8273. Sales and customer support are separate from 24/7 alarm monitoring. If you have an emergency, call 911.
Already have a Major system?
Office setup support, billing and administration: Monday–Friday, 9 a.m.–4 p.m. Eastern. Emergency support and central-station support are available 24/7 for Major monitoring customers. Call (800) 564-8273 for activation or before testing alarms.
Free phone consultation
Let’s design the right system for your home.
Tell us how to reach you. A Major Home Security specialist will call you back within one business day to discuss your home, answer questions, and help choose your equipment.
Prefer to contact us? (800) 564-8273 or email office.
Equipment & setup
Get help selecting devices, checking a panel or understanding activation. Programming and technical support are included with Major Home Security monitoring.
Your order
Include your order number and the email used at checkout. For a return, request authorization before sending equipment back. Shipping details and 60-day return instructions are available online.
Billing
Ask about payments, your monitoring billing option or an account charge.
Help us help you.
- Your panel’s exact model, if you already have one.
- The device model you’re considering or troubleshooting.
- What you want to protect, or what isn’t working.
- Your order number, if your question concerns a purchase.
Please don’t include alarm access codes, passwords or full payment-card details in a general message.
Getting ready to activate?
Major contacts purchasers within 3 business days and emails the post-purchase setup form. For monitoring customers, sensors are enrolled, named and labeled before shipping. Call after installation to begin activation; your Alarm.com account is created during the call, with full activation completed within 24 hours. Wait for confirmation before relying on monitoring.
Want smart-home control?
Contact us about optional smart-lock, lighting and thermostat integration. Compatible equipment and an upgraded service plan are required. Additional charges apply.
Business information
Major Security Holdings d/b/a Major Home Security
4 Barlows Landing Road STE 13
Pocasset, MA 02559
Massachusetts license 7068C. Service availability is subject to location and eligibility.
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