Consulting Services
Underdog has extensive expertise in designing high quality, commercial and residential Fire alarm, intrusion detection, video surveillance and access control systems.
01
New Design & Installation
Our professional installers are manufacturer trained and completely familiar with the equipment they’re installing which ensures the job will be done right the first time.
02
Service & Maintenance
Underdog offers prompt, reliable system maintenance and service. Contact us to learn more about our flexible preventative maintenance agreement.
03
24/7 Monitoring
Underdog offers superior security Systems supported by professional monitoring services. Our system features technologically advanced cellular monitoring that enables fast and reliable two-way communication with our Five Diamond Monitoring Station.
04
About Underdog Fire & Security

Who Are We?

We are a fire alarm and security company formed in 2021. Our team is comprised of experts and veterans of the fire alarm and security sectors. What brought us together was our common goals and understanding of what was missing in our industry, what will help us succeed is our vast experience.
What We Do

Our Services

Video Surveillance
Video Surveillance

When your goal is to keep your customers, employees and company assets safe, it pays

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Access Control
Access Control

With the increasing focus on security these days, many business owners are turning to access

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Fire Protection
Fire Protection

What are the Types of Fire Alarms? Fire alarms systems can be broken down into

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24/7 Monitoring
24/7 Monitoring

When an alarm is triggered at your location, alarm monitoring agents will automatically take the

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PROFESSIONAL TEAM

Meet Our Experts

Harry San Martin

President

Jason Tielve

Vice President

A team of highly skilled alarm and security technicians, ready to make your concerns a thing of the past!

Reach out to us! We're Ready!

Reach out to Underdog Fire & Security to receive innovative solutions for your business.

Office

32 Heckel St. Belleville
NJ 07109

Warehouse

55 Heckel St. Belleville
NJ 07109