Castle Sprinkler & Alarm, Inc.

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Castle Sprinkler & Alarm, Inc. Your Friend In Fire Protection! Castle Sprinkler & Alarm Inc., along with our parent company ACE Fire Extinguisher, Inc.

operate under the same family ownership have provided over 60 years in the fire protection industry. Throughout Maryland, DC, and Virginia, our professional teams provide service, inspections, installation, and monitoring of:

- Fire Sprinkler Systems
- Fire Alarm Systems
- Fire Extinguishers
- Fire Pump Systems
- Fire Hydrants
- Waterless/FM-200 Systems

We strongly believe in providing valuable relationships and maintaining a high level of professionalism our clients can expect. We conduct our work by adhereing to the latest in fire codes and doing what is in the best interests of our customers. We continue to build upon our company as being a one stop fire protection resource. Through our knowledgeable and dedicate team we are dedicated to finding the most feasible solutions to your fire protection needs. You can expect each of our service and inspection teams to arrive at your location in an easily identifiable company vehicle and wearing our company uniform. They will greet you in a professional manner and provide our courteous and quality service. We will do all possible to minimize our presence among your residents and other building occupants. If you want to learn more about your systems, while our techs are on your site, feel free to ask them about the proper operations of your fire protection systems. Once our technical professionals leave your site our resourcefulness doesn't stop there. If during our visit other deficiencies were discovered, we will provide our office staff the information so that they can contact you to discuss. We will take the time to explain the deficiencies and provide you with the best possible solution(s) for your systems. If you should ever have any questions about life safety and your fire protection needs, let us know. We would love the opportunity to be, "Your Friend in Fire Protections!" We can be reached 24 hrs/day, 7 days/week and 365 days/year at 301-927-7300. Additional contacts are email: [email protected]. If you are seeking employment opportunities, send your resume or inquiry to our email: [email protected]. We continually look to add great people to our team. Some positions within the company require no experience. So if you are looking to get into a well respected career and don't have the experience, reach out to us for a potential opportunity.

Wishing everyone a safe and happy Halloween from Castle Sprinkler & Alarm! Whether you’re welcoming trick-or-treaters or...
10/31/2026

Wishing everyone a safe and happy Halloween from Castle Sprinkler & Alarm!

Whether you’re welcoming trick-or-treaters or closing up for the night, a little extra attention to fire safety can help keep the scares where they belong.

Fire protection issues don’t always happen at a convenient time.When something goes wrong with your sprinkler, alarm, or...
10/28/2026

Fire protection issues don’t always happen at a convenient time.

When something goes wrong with your sprinkler, alarm, or fire protection system, having a team you can rely on matters. Castle Sprinkler & Alarm is here to help keep your systems operating when you need them most.

Professional service and dependable follow-up make all the difference.We appreciate this feedback from April and are pro...
10/23/2026

Professional service and dependable follow-up make all the difference.

We appreciate this feedback from April and are proud to help our customers identify and correct fire protection deficiencies before they become bigger concerns.

Need service for your building? Castle Sprinkler & Alarm is here to help.

A few small oversights can create much bigger problems when your fire protection system is needed most.From blocked spri...
10/21/2026

A few small oversights can create much bigger problems when your fire protection system is needed most.

From blocked sprinkler heads to ignored trouble signals, staying proactive can help keep your system ready and your property protected. Swipe through four common mistakes building owners should avoid.

Castle Sprinkler & Alarm can help with inspections, testing, maintenance, and repairs to keep your fire protection systems in working order.

Myth: If one sprinkler head activates, they all go off.Fact: Fire sprinkler heads are individually activated by heat. In...
10/16/2026

Myth: If one sprinkler head activates, they all go off.

Fact: Fire sprinkler heads are individually activated by heat. In most systems, only the sprinkler heads exposed to enough heat will operate.

Understanding how your fire protection system actually works can help clear up some of the most common misconceptions.

Your fire protection system may be telling you it needs attention.Leaks, corrosion, trouble signals, damaged equipment, ...
10/14/2026

Your fire protection system may be telling you it needs attention.

Leaks, corrosion, trouble signals, damaged equipment, or overdue inspections should never be ignored. Addressing these issues early can help prevent larger problems and keep your system prepared.

Noticing one of these signs? It may be time to schedule service.

What does a fire pump actually do?A fire pump helps boost water pressure when a building’s normal water supply cannot pr...
10/09/2026

What does a fire pump actually do?

A fire pump helps boost water pressure when a building’s normal water supply cannot provide enough pressure to meet the demands of the fire sprinkler system.

It’s an important part of many fire protection systems, helping ensure adequate water flow is available when it matters most.

A big congratulations to Mason Castle on being named a National Finalist at the AFSA45 Apprentice Competition!Reaching t...
10/07/2026

A big congratulations to Mason Castle on being named a National Finalist at the AFSA45 Apprentice Competition!

Reaching the national level is an incredible honor and a major accomplishment that reflects Mason’s skill, dedication and commitment to his craft. Competing alongside some of the best apprentices in the country is something to be extremely proud of, and we were honored to be there supporting him throughout the experience.

Congratulations, Mason, on this outstanding achievement. We couldn’t be prouder!

Would your building’s emergency lighting be ready if the power went out?Emergency exit lighting helps guide occupants to...
10/02/2026

Would your building’s emergency lighting be ready if the power went out?

Emergency exit lighting helps guide occupants to safety when normal building lights fail, but proper placement, testing, maintenance, and backup power all play a role in keeping the system reliable. Castle Sprinkler and Alarm

Our latest blog breaks down emergency exit lighting requirements every building owner should know, including where lighting may be required, testing considerations, and why building changes can impact your existing setup.

Read more at the link in our comments.

Fire protection systems can show signs of trouble before a larger problem develops.Damaged sprinkler heads, overdue insp...
09/30/2026

Fire protection systems can show signs of trouble before a larger problem develops.

Damaged sprinkler heads, overdue inspections, trouble signals, leaks, corrosion and recent building renovations are all reasons to take a closer look at your system.

Don’t wait until a small issue becomes an emergency. Castle Sprinkler & Alarm can inspect, service and repair your fire protection systems to help keep your property protected.

Address

5114 College Avenue
College Park, MD
20740

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

Telephone

+13019277300

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