How much does a fire sprinkler system cost?
Ashburn, VA

How much does a fire sprinkler system cost?

Ashburn, VA

How much does a fire sprinkler system cost?

$1.50 – $3.00 cost per square foot (new construction)
$2.00 – $7.00 cost per square foot (retrofit existing building)

Get free estimates for your project or view our cost guide below:

$1.50 – $3.00 cost per square foot (new construction)

$2.00 – $7.00 cost per square foot (retrofit existing building)


Get free estimates for your project or view our cost guide below:
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Kristen Cramer
Written by
Kristen Cramer
Edited by
Jennifer Carlson
Fact-checked by
Tara Farmer

Fire sprinkler system cost

A fire sprinkler system costs $1.50 to $3.00 per square foot if installed during new construction or $2.00 to $7.00 per square foot on average to retrofit an existing building. The total cost of a fire suppression system depends on the home or building size and layout, system type, and pipe material.

Average fire sprinkler system cost - Chart
Average fire sprinkler system cost - Chart
Average fire sprinkler system cost
Installation type Average cost per square foot
New construction $1.50 – $3.00
Retrofit existing building $2 – $7
High-rise building $4 – $8
Historic building $10 – $20

Get free estimates from fire damage restoration companies near you.

Home fire sprinkler system cost factors

Several factors can influence the cost of installing a fire sprinkler system in your home or building:

  • Home/building size & layout: The larger and more complex the structure, the more extensive and costly the system and installation will be. The building size and layout affect the amount of piping and sprinkler heads needed, along with the pump strength.

  • New construction vs. retrofitting existing building: Installing a sprinkler system during new construction costs less than retrofitting an existing building, as it eliminates the need for extensive demolition and reconstruction work.

  • Pipe material: The type of piping material used can impact the cost. Common options include steel, copper, and plastic (CPVC or PEX), with plastic being the most common and affordable. Unfinished areas like basements, attics, and garages typically need metal piping instead.

  • System type & design: Fire sprinkler systems come in two different types:

    • A standalone system uses a dedicated network of pipes designed solely for fire protection. Standalone systems are the most common type.

    • A multipurpose system combines the fire sprinkler water supply in the home's plumbing system. Multipurpose systems are less common but slightly less expensive per square foot.

  • Water source: Costs vary depending on whether your home gets water from a municipal water supply or a well. Fire sprinkler systems connected to a municipal water supply typically require a backflow preventer, while systems connected to a well require a booster pump and water storage tank.

  • Permits: Depending on your location, the installation may require permits, increasing the cost.

  • Routine inspections & maintenance: Fire sprinkler systems require regular inspections and maintenance to ensure they're working properly, with costs ranging from $300 to $500+ per visit. Commercial systems may need more frequent inspections than home systems to meet code requirements.

A fire sprinkler system installed in an office
A fire sprinkler system installed in an office

Home fire safety add-ons

In addition to the fire sprinkler system itself, consider incorporating other fire safety elements into your home or building:

Home fire protection add-ons
Item Average cost Description / purpose
Smoke detector installation cost $110 – $410+* Essential for early warning in case of a fire
Heat sensors $50 – $150 Detect abnormal temperature rises and can trigger the sprinkler system
Fire extinguisher $25 – $200 Handy for quickly extinguishing small fires before they spread
Fire blanket $20 – $50 Useful for smothering small fires or protecting individuals from flames
Chimney cap spark arrestor cost $200 – $850* Prevent sparks from the chimney from igniting fires on the roof or surrounding areas

*Including the unit and professional installation

Fire sprinkler system FAQs

How does a fire sprinkler system work?

A fire sprinkler system consists of a network of pipes filled with water under pressure. When a fire occurs, the intense heat causes the sprinkler heads to activate, releasing water and helping to contain or extinguish the fire.

In most systems, only the sprinklers in the area of the fire will activate, reducing the chance of water damage in the rest of the building.

Does a fire sprinkler system increase home value?

Yes, installing a fire sprinkler system can potentially increase the value of your home. Prospective buyers often view these systems as a desirable safety feature, and some homeowners insurance companies offer discounts for homes equipped with fire sprinklers.

Is a fire sprinkler system worth the cost?

While the upfront cost of a fire sprinkler system can be substantial, the potential for saving lives and minimizing property damage in the event of a fire often makes it a worthwhile investment. The average property loss in homes with fire sprinkler systems is 63% lower than the loss in homes without them.

Why should I install a fire sprinkler system in my home?

Fire sprinkler systems are highly effective in controlling and extinguishing fires, reducing the risk of injury, property damage, and even loss of life. They can also help minimize the spread of fire, allowing occupants more time to evacuate safely.

The National Fire Protection Association (NFPA) and International Residential Code (IRC) recommend that all new single-family homes have a fire sprinkler system, though code requirements vary by city.

Can fire sprinklers cause water damage?

While fire sprinklers are designed to release water only in the immediate area of a fire, some water damage is possible. However, the potential water damage caused by the sprinklers is typically much less severe than the devastation caused by a fire.

Will smoke or cooking set off the fire sprinklers?

No, smoke or cooking alone will not activate the sprinkler system. Sprinkler heads respond to rapid temperature rises caused by an actual fire, not just smoke or cooking fumes.

Getting estimates from fire sprinkler system installers

It's crucial to consult with qualified professionals to ensure your fire sprinkler system is installed correctly. Follow these tips to find experienced, reputable installers near you:

  • Look for companies with experience installing residential or commercial fire sprinkler systems in buildings like yours.

  • Get estimates from 3 different companies to compare.

  • Choose installers that are licensed, insured, and have been in business for 5+ years.

  • Read reviews from previous customers on HomeGuide and Google.

  • Get a detailed estimate and warranty in writing before making any payments.

Questions to ask fire sprinkler system companies

Ask these important questions to ensure you hire the best company for the job:

  • How long have you been installing fire sprinkler systems?

  • How many systems have you installed in the past year?

  • Are you licensed and insured?

  • Can you provide references or examples of previous projects you've completed?

  • What type of system do you recommend for my specific home or building?

  • Can you provide a detailed cost estimate, including materials, labor, and any additional expenses?

  • How long will the installation process take, and what kind of disruption should I expect?

  • Are there any local codes or regulations to consider during the installation process?

  • What routine maintenance and inspections will I need to keep the system functioning properly?

  • Do you offer warranties or guarantees on the materials and workmanship?