A Fire sprinkler system helps save lives.
Replace fire sprinklers for your home or business with U.S. Fire Protection. Serving Southern California, we ensure your safety. Fire sprinkler systems react quickly, they can dramatically reduce the heat, flames and smoke produced by a fire. We provide Design, Installation, Testing, Repair, Maintenance and Certification for Commercial and Residential properties in the Southern California area.
We use the best quality components. Our Technicians are highly knowledgeable and have 50 years of combined experienced. We are licensed, bonded and insured, and we are committed to provide the best service to keep your sprinkler system in optimum working condition and in compliance with state and local regulations.
 
FIRE SPRINKLER SYSTEM MAINTENANCE
Overtime, fire sprinkler systems will eventually leak or corrode. This is due to aging, there are unavoidable minor issues that will occur. If those minor issues are not caught early on, they could turn into major issues.
Catching the signs of a problem before it is too late is extremely important. It could save you a lot of money down the road. Proper maintenance of your sprinkler system will ensure your devices are running smoothly and your property is kept safe.

• NFPA 25 requires periodic inspections to ensure your fire sprinkler system is in proper working conditions.

• We can provide written quarterly, semi-annual, annual inspection, and 5-year reports for your fire protection systems.

• USFP Inc is experienced with all types of properties. No job is too small or too large!

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Home & ADU Fire Sprinkler Systems

 

Residential Fire Sprinkler Systems in Southern California

 

U.S. Fire Protection provides professional fire sprinkler system installation for single-family homes, ADUs, and Junior ADUs throughout Southern California. With new housing opportunities created by SB9, homeowners are building additional units more than ever—often triggering fire sprinkler requirements that must be addressed early in the design and permit process.

 

We help homeowners and builders install the correct fire sprinkler system, navigate permitting, and avoid unnecessary upgrades and costs.

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Fire Sprinklers for Homes, ADUs, and SB9 Projects

 

Fire sprinkler requirements for residential projects depend on how the building is classified by the local building department. Two fire sprinkler standards are most commonly involved in home and ADU projects:

 

NFPA 13D – Single-Family Residential Systems

 

NFPA 13D systems are designed specifically for single-family homes and most ADUs. This is typically the preferred and most cost-effective option for homeowners. These systems:

    •    Are intended for one- and two-family dwellings

    •    Use simpler piping layouts

    •    Require less water supply and equipment

    •    Are easier to install and maintain

 

When a project qualifies for NFPA 13D, it usually results in lower installation costs and a smoother permit process.

 

NFPA 13R – Multi-Unit Residential Systems

 

NFPA 13R systems are designed for larger or more complex residential buildings, such as small apartment-style structures. These systems:

    •    Require additional piping, valves, and controls

    •    Often require a stronger or upgraded water supply

    •    Are more complex and costly to install

 

Projects can fall into NFPA 13R due to building height, unit connections, or how the structure is classified during plan review.

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Why Classification Matters Early

 

One of the most common issues we see is projects being unintentionally pushed from NFPA 13D into NFPA 13R due to early design or permitting decisions. Once that happens, costs and complexity increase significantly.

 

At U.S. Fire Protection, we work early in the process to help keep eligible projects classified under NFPA 13D. If a project must be designed under NFPA 13R, we will clearly explain the requirements and handle the installation properly.

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Why Building Design Must Be Finalized First

 

Accurate fire sprinkler pricing and design depend on the final building plans. Before we can provide a reliable estimate or sprinkler layout, we need to understand:

    •    Framing type and structural layout

    •    Whether piping will run through wood joists, engineered trusses, or concrete

    •    Ceiling heights, soffits, and wall chases

    •    Attic, crawl space, or slab conditions

 

Drilling through engineered joists, core drilling concrete, or routing piping through concealed spaces directly affects labor, materials, and cost. Finalizing the building design early helps avoid delays and change orders.

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Home & ADU Fire Sprinkler Services

    •    Fire sprinkler installation for new homes and ADUs

    •    Sprinkler coordination for SB9 and JADU projects

    •    Plan check corrections and permit support

    •    System modifications for additions and conversions

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Why Choose U.S. Fire Protection

    •    Specialized experience in NFPA 13D and NFPA 13R residential      systems

    •    Strong understanding of SB9, ADU, and JADU requirements

    •    Focus on cost-effective, code-compliant solutions

    •    Trusted by homeowners and builders across Southern California

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Schedule a Consultation

 

Contact U.S. Fire Protection to discuss fire sprinkler requirements for your home, ADU, or SB9 project. Early coordination makes all the difference.

 
 
Contact U.S. Fire Protection
If you require fire safety and suppression products, provided specifically for your facilities and installed by knowledgeable experts, contact U.S. Fire Protection. We’ll provide you with extinguishers, extensive suppression systems, sprinkler systems, emergency lighting and more. And, we supply all the expertise and guidance needed to deploy these products successfully, so they save lives. 

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