BizoraRank Logo
Backflow Prevention Specialists

Professional Backflow Prevention Services in Los Angeles

Ensuring safe and clean water for your home or business.

Last updated: February 1, 2026

10 of 246 shown
πŸ₯‡ #1
Plumber business photo

Plumber

β˜…β˜…β˜…β˜…β˜…
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! πŸ˜‚ But honestly, my end to end experience was fantastic. A...

Anthony Galanda β€” Anthony Galanda 2 weeks ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
πŸ₯ˆ #2
Cisco's Plumbing Inc business photo

Cisco's Plumbing Inc

β˜…β˜…β˜…β˜…β˜…
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
"

inding a decent plumbing service in Compton is usually a complete coin toss, but this experience was different from the...

Walter Varela β€” Walter Varela 6 days ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
πŸ₯ˆ #2
Plumber XP business photo

Plumber XP

β˜…β˜…β˜…β˜…β˜…
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 β€” Kris 2 months ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
#4
DX Plumbing and Hydro Jetting Inc business photo

DX Plumbing and Hydro Jetting Inc

β˜…β˜…β˜…β˜…β˜…
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
"

Highly recommend for all your plumbing needs. Abraham is very punctual, knowledgeable, honest, and takes the time to ans...

Andrew Fond β€” Andrew Fond a week ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
#5
Local Plumbers, Inc. business photo

Local Plumbers, Inc.

β˜…β˜…β˜…β˜…β˜…
5.0
165 reviews
14967 Oswald St, Los Angeles, CA 91342
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 had a great experience with Local Plumbers Inc. The plumber arrived perfectly on time and was very polite, tidy, and p...

Elizabeth Salas β€” Elizabeth Salas 2 months ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
#6
Drain Pro Man business photo

Drain Pro Man

β˜…β˜…β˜…β˜…β˜…
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 β€” Pei Wang 2 weeks ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
#7
R.G.Plumbing business photo

R.G.Plumbing

β˜…β˜…β˜…β˜…β˜…
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 β€” Adam Katzner 6 months ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
#8
Saul's Plumbing business photo

Saul's Plumbing

β˜…β˜…β˜…β˜…β˜…
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 β€” N A 3 weeks ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
#9
Magic Rooter & Plumbing business photo

Magic Rooter & Plumbing

β˜…β˜…β˜…β˜…β˜…
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 β€” Shoushan Baghboudarian 3 months ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
#10
E&E Plumbing and Rooter business photo

E&E Plumbing and Rooter

β˜…β˜…β˜…β˜…β˜…
5.0
100 reviews
Services offered 21 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 Residential Plumbing Rooter Services Sewer Line Services Slab Leak Repair Sump Pump Services Toilet Services Water Filtration Systems Water Heater Services Water Softener Installation
"

I was searching for a reliable business to remove the roots from my sewage line. Not only did they perform an exceptiona...

jake amigo β€” jake amigo a week ago
Contact View Profile

Call

Enter your phone number and we'll connect you

We'll call you and connect you to the business. Standard rates may apply.
❄️ Last updated February 2026

Winter Backflow Prevention Alert for Los Angeles Residents

As temperatures drop in Los Angeles, homeowners should be vigilant about potential backflow issues caused by freezing pipes. Ensure that your backflow prevention devices are properly insulated and functioning to avoid costly water contamination problems this winter.

What is Backflow Prevention?

Backflow prevention is crucial for maintaining the safety of your water supply. Our Los Angeles team specializes in preventing contaminated water from flowing back into your plumbing system.

Backflow prevention involves the installation and maintenance of devices that stop water from flowing in the wrong direction. This is essential for protecting your drinking water from contamination due to pressure changes in the plumbing system.

Why Los Angeles Homes Need Backflow Prevention Services

Los Angeles' unique topography and aging infrastructure make backflow prevention crucial for safeguarding drinking water. With heavy rainfall causing potential sewer overflows, having a reliable backflow system is essential for maintaining water quality in your home. Additionally, local regulations mandate backflow prevention devices for properties near irrigation systems.

Why Choose Our Backflow Prevention Specialists?

  • Experienced professionals with extensive training in backflow prevention.
  • Thorough inspections and maintenance to ensure compliance with local regulations.
  • Prompt and reliable service tailored to your specific needs.
  • Commitment to customer satisfaction and safe water practices.

2026 Backflow Prevention Tips from Los Angeles Experts

  • Inspect your backflow prevention device annually to ensure compliance with city regulations.
  • Install insulation around pipes that are exposed to cold temperatures to prevent freezing.
  • Schedule a professional backflow testing before the rainy season to identify any potential issues.
  • Consider upgrading to a dual-check valve system for enhanced protection against backflow.

Backflow Prevention Costs in Los Angeles - February 2026

As of February 2026, the average cost for backflow prevention installation in Los Angeles ranges from $150 to $300, depending on the complexity of the system. Routine maintenance and testing services typically cost between $75 and $150, reflecting a steady demand for these essential services in the region.

Frequently Asked Questions

What is backflow prevention?

Backflow prevention is a method to stop contaminated water from entering the clean water supply.

How much do backflow prevention services cost?

Costs vary based on the complexity of the system and required services; contact us for a detailed quote.

Protect Your Water Supply Today!

Contact our team of specialists for a consultation on backflow prevention services. Ensure the safety of your water supply with our expert solutions!

Browse All Plumber Services in Los Angeles

Looking for other services? View all 246 plumbers in Los Angeles