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Backflow Prevention Specialists

Reliable Backflow Prevention Services in Los Angeles

Protect your water supply with our expert backflow prevention solutions.

Last updated: May 17, 2026

10 of 349 shown
🥇 #1
Plumber business photo

Plumber

★★★★★
5.0
1218 reviews
420 N Wickham Rd Suite B, Melbourne, FL 32935
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

I knew I liked Anthony when I found out we had the same name! 😂 But honestly, my end to end experience was fantastic. A...

Anthony Galanda — Anthony Galanda 2 weeks ago
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🥈 #2
Cisco's Plumbing Inc business photo

Cisco's Plumbing Inc

★★★★★
5.0
449 reviews
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

The water was draining incredibly slow in the guest bath so I finally called for a main sewer line inspection to see wha...

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🥈 #2
Plumber XP business photo

Plumber XP

★★★★★
5.0
256 reviews
1120 S Cypress St ste f, La Habra, CA 90631
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

I have used their services many times, but decided to leave a review this time. The plumbers were absolutely respectful...

Kris — Kris 2 months ago
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#4
DX Plumbing and Hydro Jetting Inc business photo

DX Plumbing and Hydro Jetting Inc

★★★★★
5.0
233 reviews
10940 Wilshire Blvd Ste 1600-PMB #818, Los Angeles, CA 90024
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

Excellent service from start to finish. I found Abraham through Google while searching for a truly five-star plumbing pr...

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#5
Drain Pro Man business photo

Drain Pro Man

★★★★★
5.0
132 reviews
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

I’ve used drain pro at many properties. They are always reliable. They do great work. It’s a family business so Mike an...

Pei Wang — Pei Wang 2 weeks ago
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🥉 #3
EZ Sewers Rooter and Plumbing business photo

EZ Sewers Rooter and Plumbing

★★★★★
5.0
130 reviews
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

We had a clogged shower, and Christian came through right away. He was able to fit us into his schedule the same day and...

Andrew Carbajal — Andrew Carbajal 2 months ago
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#7
R.G.Plumbing business photo

R.G.Plumbing

★★★★★
5.0
122 reviews
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

He did great quick work when our sink basin detached from the counter. He was very clear with what was being fixed and r...

Adam Katzner — Adam Katzner 6 months ago
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#8
Saul's Plumbing business photo

Saul's Plumbing

★★★★★
5.0
112 reviews
Services offered 21 total
Backflow Prevention Bathroom Plumbing Commercial Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

Saul came to my house without charging for an inspection. He fixed my leaky toilet and secured all my pipes. He did a gr...

N A — N A 3 weeks ago
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#9
Drain Force Plumbing business photo

Drain Force Plumbing

★★★★★
5.0
110 reviews
1676 Pacific Coast Hwy, Harbor City, CA 90710
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

Finding a spot to actually clear out your pipes can be such a headache when you live in an older place in Torrance. I ho...

Nevaeh Andaya — Nevaeh Andaya 2 weeks ago
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#10
Magic Rooter & Plumbing business photo

Magic Rooter & Plumbing

★★★★★
5.0
107 reviews
Services offered 20 total
Backflow Prevention Bathroom Plumbing Drain Cleaning Emergency Plumbing Faucet Services Fixture Installation Garbage Disposal Services Gas Line Services Hydro Jetting Kitchen Plumbing Leak Detection Pipe Services Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

Thanks to Magic Rooter for great advice, excellent customer service and support, taking their time to make sure we under...

Shoushan Baghboudarian — Shoushan Baghboudarian 3 months ago
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💧 Last updated May 2026

Spring Backflow Prevention Alert for Los Angeles Residents

As spring brings increased rainfall to Los Angeles, the risk of backflow incidents rises due to potential flooding. Homeowners are encouraged to inspect their backflow prevention devices to ensure they are functioning properly and to avoid contamination of the municipal water supply.

Understanding Backflow Prevention

At our plumbing company in Los Angeles, we specialize in backflow prevention services to keep your water supply safe. Our team of 10 certified specialists is dedicated to ensuring that contaminated water does not flow back into your clean water supply.

Backflow prevention involves the installation and maintenance of systems designed to prevent contaminated water from reversing flow into the clean water supply. Our skilled technicians assess your plumbing system to identify potential backflow risks and implement effective solutions.

Why Los Angeles Homes Need Backflow Prevention Services

Los Angeles' unique topography and aging plumbing infrastructure make backflow prevention crucial for residents. With frequent construction and landscaping changes, the risk of cross-contamination can increase, making professional backflow prevention services essential for maintaining safe drinking water.

Why Choose Our Backflow Prevention Specialists?

  • Certified and experienced technicians
  • Comprehensive inspections and assessments
  • Prompt and reliable service
  • Commitment to customer satisfaction

2026 Backflow Prevention Tips from Los Angeles Experts

  • Schedule annual inspections of your backflow devices to ensure compliance with local regulations.
  • Install backflow preventers in irrigation systems to protect against contaminants from fertilizers and pesticides.
  • Be aware of local ordinances regarding water safety and backflow prevention to avoid fines.
  • Keep records of all maintenance and inspections for your backflow systems to ensure timely updates and repairs.

Backflow Prevention Costs in Los Angeles - May 2026

As of May 2026, the average cost for backflow prevention device installation in Los Angeles ranges from $300 to $800, depending on the complexity of the plumbing system. With recent supply chain adjustments, homeowners may notice slight increases in service fees compared to previous years.

Frequently Asked Questions

What is backflow prevention?

Backflow prevention prevents contaminated water from flowing back into the clean water supply.

How much do backflow prevention services cost?

Costs can vary based on the complexity of the system, but we offer competitive pricing and free estimates.

Protect Your Water Supply Today!

Contact us now to schedule a backflow prevention inspection. Ensure the safety of your water supply with our expert services.

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