J&M Security LLC

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J&M Security LLC Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from J&M Security LLC, Locksmith, Windham, NH.

🔒 Home, Commercial, and DoD Locksmith Services
🔒 Access Control Systems
🔒 CCTV Surveillance
🔒 Intercom Systems
🔒 Burglar Alarms

Secure your property with J&M Security

Only certified Dealer, Installer, and Service Tech in NH for ossi-usa.com

How Great is your security system? Most self monitored alarm panels, Ring, Simply Safe, Cove etc rely on your home inter...
09/27/2026

How Great is your security system? Most self monitored alarm panels, Ring, Simply Safe, Cove etc rely on your home internet to operate. A professional system has a GSM backup that can even monitor your internet connection for failure and central monitoring can call you within seconds of an incident. Thieves are getting smarter and cutting the customers network, then going in and doing the damage. Call today for a quote or schedule installation. Jeff Faust

07/29/2026

Hello All,
Business is pushing in a real positive direction. Commercial Fire Alarm along with Residential and Commercial Burg is in full swing.

Call for an estimate on ANY type of system takeover, new installations and service of any type.

Thank you all who have entrusted me with your security needs! You all ROCK!!

04/13/2026

Watch, follow, and discover more trending content.

Fire Alarm System replacement. Nashua NHFireLite ES Series with isolated input modules
03/30/2026

Fire Alarm System replacement. Nashua NH
FireLite ES Series with isolated input modules

We got a little Elevated yesterday…. Installs are year round. Not just when the weather is nice.
01/20/2026

We got a little Elevated yesterday…. Installs are year round. Not just when the weather is nice.

Some recent work. OSSI-USA access control system
12/19/2025

Some recent work. OSSI-USA access control system

12/16/2025

Great News! We are now BBB accredited. Great services rely on great resources!

With more recent events, J&M security specializes in advance Panic and Lockdown security systems. Is your facility ready...
09/29/2025

With more recent events, J&M security specializes in advance Panic and Lockdown security systems. Is your facility ready for an emergency if it were to ever occur?

Contact us for more info and schedule for a comprehensive security analysis!

07/24/2025

Celebrating my 1st year on Facebook. Thank you for your continuing support. I could never have made it without you. 🙏🤗🎉

07/24/2025

If I were to run a special, how many people would be interested in changing over your current alarm company to me?

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Windham, NH
03087

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