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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 24, 2026

10 of 361 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
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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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🥉 #3
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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#4
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 in Los Angeles, homeowners should be especially vigilant about backflow prevention. The risk of contaminants entering the water supply rises with stormwater runoff, making it crucial to ensure your backflow prevention devices are functioning properly. Don't wait until it's too late; schedule a check-up today! 🌧️

Understanding Backflow Prevention Services

Backflow prevention is essential for maintaining safe drinking water. Our Los Angeles-based team specializes in ensuring your plumbing system is equipped to prevent contamination.

Backflow prevention involves installing devices that stop the reverse flow of water, preventing contamination of your potable water supply. Our specialists assess your plumbing system to determine the best solutions for compliance and safety.

Why Los Angeles Homes Need Backflow Prevention Services

Los Angeles' unique topography and aging plumbing infrastructure create a heightened risk for backflow incidents. With many homes situated near canyons and waterways, spring runoff can lead to potential contamination. Additionally, local regulations require backflow prevention devices to safeguard public health, making regular inspections essential for homeowners.

Why Choose Our Backflow Prevention Specialists?

  • Experienced team of 10 licensed professionals.
  • Thorough inspections and customized solutions.
  • Commitment to safety and regulatory compliance.
  • Prompt and reliable service with customer satisfaction focus.

2026 Backflow Prevention Tips from Los Angeles Experts

  • Inspect your backflow prevention device annually, especially after heavy rainfall.
  • Ensure that your landscaping is graded away from your home's foundation to prevent water pooling.
  • Consider installing a test valve to easily check the functionality of your backflow prevention system.
  • Stay informed about local legislative changes regarding backflow prevention requirements to ensure compliance.

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 $450 to $1,200, depending on the complexity of the system and the specific requirements of your property. Regular maintenance checks are also recommended and typically cost between $75 to $150, reflecting the growing demand for these essential services.

Frequently Asked Questions

What is backflow prevention?

Backflow prevention refers to methods and devices used to prevent contaminated water from flowing back into the clean water supply.

How much does backflow prevention installation cost?

The cost varies based on the complexity of your plumbing system and required devices. Contact us for a personalized estimate.

Contact Us for Expert Backflow Prevention Services!

Don't compromise on your water safety! Reach out today for a consultation and ensure your system is protected.

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