Fire Protection Services in Mercer County, NJ

There’s no room for compromise when it comes to life-saving fire protection. We’re an organized team of fire prevention specialists, and utilize a range of proven safety strategies to prevent, detect, and contain fire-related risks of every kind. Our fire alarm company brings over 60 years of expertise to every project, and we take a personal interest in exceeding your safety, compliance, and budget expectations with every customized fire protection plan.

Why Choose Keystone Fire & Security?

  • 60+ Years of Experience
  • Full-Service Fire & Security Provider
  • Certified & Accredited
  • Excellent Customer Reviews
  • & More
Fire alarm testing in Princeton, NJ
To make the most of your safety budget and ensure that every inch of your facility is professionally secured, our proven solutions begin with personalized planning and code-compliant guidance. Before installing the newest sprinkler systems or updating your detection devices, we believe that the best fire prevention begins with better client education. Our fire inspection team will help you understand where the gaps in your safety plan are, discuss affordable improvement ideas, and strengthen the fundamentals of your fire defenses with the most advanced equipment in the industry.

Our Trusted Fire Protection Solutions in Princeton, NJ

Early detection saves lives, better lighting and alerts reduce evacuation times, and our advanced sprinkler and suppression systems extinguish fires in record time. Updating your fire protection plan is an investment that you can’t put a price on, and with our affordable equipment and service rates, an investment in our life-saving expertise is easily justified. We have a greater variety of budget-friendly options to compare, and can often build upon your existing safety infrastructure to reduce costs and install equipment strategically to provide maximum fire protection with fewer devices. 

Whether you already have a reliable fire prevention system in place, or you’re searching for a better fire alarm installation, you can take advantage of our professional fire protection services in South Jersey for:

  • Fire Sprinkler Repair & Installations
  • Emergency Lighting & Audio Systems
  • Fire Extinguisher Inspections
  • Smoke & Carbon Monoxide Detection
  • Fire Alarm Testing & Installations
  • Code-Compliant Fire Inspections
  • & More Adaptable Fire Safety Solutions

Not sure where to begin? Schedule an informative fire inspection in Princeton Twp, NJ  and our helpful pros will outline any potential improvement services that may benefit your operations. When we finish double-checking your extinguishers and testing the functionality of your sprinkler systems in Princeton, NJ, we provide itemized documentation for guaranteed compliance and support for insurance purposes. 

For the majority of equipment care needs, our repairs and upgrades are the easiest way to prevent disaster. If you need to replace or install new fire equipment, team serving Princeton Twp can connect you with a variety of affordable options. Check out the options ranging from traditional fire protection to the latest in smart safety tech.

We Offer Fire Alarm Testing in Princeton, NJ

Our seasoned fire inspection, installation, and repair teams are credentialed, extensively trained, and arrive with the tools and experience to manage both complex and basic fire services in less time. For example, if you need a facility-wide fire inspection in Princeton, NJ, our documented smoke and fire alarm testing, expedited service times, and factual guidance will proactively shield your business from compliance and safety issues.

After a detailed fire inspection in Princeton Township or Mercer County, NJ, you’ll gain an unbiased overview that simplifies safety planning and budgeting. We’ll help you find reliable solutions if we notice any issues, and can often resolve any gaps in your protocols with an affordable repair or update instead of a costly overhaul. Earning your trust is our priority, and unless there is a direct safety risk or you have personally requested an improvement, our honest team will never pressure an unnecessary installation or repair.

Get in Touch With Us Today to Schedule a Fire Safety Inspection!

However we can build reliable safety into your operations in Princeton, NJ, our fire prevention services include free consultations, flexible scheduling, and ongoing support before, during, and after we assist. If you have any questions or would like to schedule an onsite visit, our experts are on standby and ready to safeguard your property today.

Industries Served


Commercial Cooking

Healthcare Facilities

High-Value Assets



Property Management

Schools & Universities


Your Project Starts Here

Keystone protects all commercial facilities and properties with a full range of fire protection and life safety solutions. We will work with you to ensure your project is completed – on time and on budget.