First One Plumbing

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818-979-5360
818-979-5360
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Welcome to First One Plumbing

Professional Residential and Commercial Plumbing Company in San Fernando Valley

First One Plumbing delivers the best plumbing services, installations, repairs, and inspections for homes and businesses across San Fernando Valley, California, and surrounding service areas.
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Welcome to First One Plumbing

Trusted Plumbing Contractor in California

First One Plumbing is a reliable residential and commercial plumbing company based in San Fernando Valley. Since 2016, we’ve served homeowners and businesses with expert craftsmanship, cutting-edge equipment, and honest service. From water heaters to sewer inspections, we get the job done right on time, every time.
  • Residential Plumbing
  • Water Heater Services
  • Whole-House Repiping
  • Commercial Plumbing
  • Gas Line Services
  • Sewer Line Inspection
About Us

Our Expertise

Proudly Serving San Fernando Valley and Beyond

We offer professional plumbing services throughout San Fernando Valley and surrounding California communities with prompt response and dependable, professional solutions.

You Can Find Us In:

  • Los Angeles
  • San Fernando
  • Encino
  • Chatsworth
  • Pasadena
  • Burbank
  • Sylmar
  • Northridge
  • Glendale
  • Eagle Rock
  • Van Nuys
  • Calabasas

Our Services

Comprehensive Plumbing Services for Every Property Type

Our services
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Water Heater Services

It includes diagnostics, repairs, and tankless water heater installation to keep your home or business running efficiently and comfortably year-round.
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Gas Line Services

It covers new gas line installation and accurate leak detection and repair to ensure safe, reliable energy flow throughout your property.
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Whole-House Repiping

It provides long-lasting copper repiping or PEX piping solutions designed to improve water flow, pressure, and plumbing system performance.
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Sewer Line Inspection

It features high-definition video inspections that detect problems with accuracy, eliminating guesswork and preventing costly sewer issues.
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Sewer & Drain Services

It includes professional drain clearing and sewer line cleaning to eliminate blockages and restore full system functionality.
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Hydro Jetting Services

It uses high-pressure water to clear stubborn clogs, grease buildup, and debris, ensuring a cleaner, longer-lasting pipe system.
Our services

Why Choose Us

San Fernando Valley’s Trusted Plumbing Contractor

At First One Plumbing, we combine modern tools with honest, skilled service. From routine jobs to emergency repairs, we show up on time and get it done right. Whether it’s a home or a business, we provide plumbing solutions that last, and a service experience you can trust.
  • Transparent Pricing
  • Licensed Technicians
  • Free Estimates
  • 24/7 Emergency Support
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Our Projects

See Our Recent Projects and Plumbing Results

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Testimonials

What Our Customers Say

One of the plumbers came to my house and he inspected my sewer line with a video camera and the rest of the pipes under The House, also for water supply lines. Their price is excellent

-Roy Villasenor

FAQs

Frequently Asked Questions

Yes, we provide fast same-day emergency plumbing to handle urgent repairs, leaks, and blockages across our service areas.
We serve San Fernando Valley, Los Angeles, Pasadena, Glendale, Burbank, Calabasas, and nearby areas.
Yes, we install, service, and maintain tankless water heaters to ensure reliable hot water and energy efficiency.
Discolored water, frequent pipe leaks, or low pressure are common signs that your home needs whole-house repiping.

Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast

Far far away, behind the word mountains, far from the countries Vokalia and Consonantia, there live the blind texts. Separated they live in Bookmarksgrove right at the coast

Discover Our Expert Plumbing Services for Homes and Businesses

From interiors to exteriors, we bring quality plumbing service to every project. Get the perfect plumbing with our professional team.
Get Started

Blog

Our Latest Blog Posts

7 Common Plumbing Problems in San Fernando Valley Homes And How to Fix Them

Living in San Fernando Valley comes with sunshine, charm, and the occasional plumbing headache. From leaky faucets to low water […]

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Tankless vs. Traditional Water Heaters: Which One Is Right for Your Home?

Thinking of replacing your water heater? Whether you’re upgrading or troubleshooting, choosing between a traditional tank and a tankless system […]

Read More »

Why You Shouldn’t Ignore Slow Drains And What They’re Telling You

At first, a slow drain might not seem like a big deal. It’s just a little water taking its time […]

Read More »
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Discover Our Expert Plumbing Services for Homes and Businesses

From interiors to exteriors, we bring quality plumbing service to every project. Get the perfect plumbing with our professional team.
Get Started