Mount Pleasant, SC

How much does annual backflow certification cost in Mount Pleasant, SC?

Short answer

Annual backflow certification costs range from $85 for residential systems to $125 for commercial systems in the Charleston area. Call or text (843) 286-4721: CHS Backflow is a free referral service that connects you with a vetted local pro in Mount Pleasant. A local pro can provide a quote for your specific needs in Mount Pleasant.

Updated October 25, 2026 2 min readLeer en español

Quick answer

CHS Backflow is a free referral service for backflow testing in Charleston, SC: call or text (843) 286-4721 (our assistant answers 24/7 in English or Spanish; callbacks Mon–Fri, 8am–5pm ET) and a vetted local pro calls back within the hour during business hours; backflow repair or rebuild kit: typically $150–$400; serving Charleston, Mount Pleasant, North Charleston, Summerville, James Island, Johns Island.

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Quick facts Answer
Cost range $85–$125
Time Varies by system
Who's qualified State certified backflow prevention tester

Mount Pleasant, SC: what's different here

Mount Pleasant is located in Charleston County, South Carolina. As a coastal community, the area experiences humid subtropical weather and freezing events, making backflow protection critical for exposed plumbing. The local environment requires adherence to strict state guidelines for water safety. The pros we refer are familiar with the specific needs of the Charleston area.

What is the validity of SC backflow certification?

A South Carolina backflow tester certification is valid for three years. To maintain this status, the certification must be renewed when it expires. The South Carolina DES defines a certified tester as someone holding an up-to-date card issued by the Department.

What is the maximum recertification fee?

South Carolina allows a nominal recertification fee for the certification process. This fee shall not exceed $50. Recertification stations provide the specific dates and costs for the next scheduled exam.

Who is required to have annual backflow certification tested?

Commercial and irrigation customers are required to have certified backflow testers test each assembly. This testing must occur upon installation and annually thereafter. All backflow testing must be performed by a state-certified backflow prevention tester.

What is required for backflow tester certification?

Certification requires passing both a proctored practical exam and a written exam. The South Carolina DES certifies four types of testers: General Tester, Limited Tester, Inspector Tester, and Manufacturer’s Agent.

How does the climate affect backflow protection in Mount Pleasant?

Mount Pleasant is a coastal Charleston-area community. Due to its humid subtropical weather, exposed plumbing can be vulnerable during cold snaps and freezing events. Proper backflow protection is essential for these conditions.

What to do next

  1. Ask the pro for proof of licence and insurance before scheduling any work.
  2. Verify the tester holds a state-certified backflow prevention tester certification card.
  3. Confirm if your system is residential or commercial to determine the correct testing price.
  4. Ensure the local pro is certified by the South Carolina DES.
  5. Call (843) 286-4721 or email [email protected] for a free quote from a licensed, insured local backflow tester.

CHS Backflow is a free referral service: an independent contractor does the work and may pay us a referral fee. You never pay us anything.

Related answers

Back to CHS Backflow

Quick answers

How long is the backflow tester training course?

A backflow tester training course at Midlands Technical College is 28 class hours. This training requires attendance for all four days of the course.

What types of backflow testers does SC DES certify?

The South Carolina DES certifies four types of backflow testers: General Tester, Limited Tester, Inspector Tester, and Manufacturer’s Agent.

Does the training course require equipment purchase?

The training program does not require the applicant to buy testing equipment before the course. However, applicants must own or have access to the appropriate testing equipment.

Where can I find the next scheduled recertification exam dates?

Recertification stations provide the dates, costs, and locations for the next scheduled recertification exam. The exact local cost can vary by station.

Backflow testing help in Tulsa

CHS Backflow is a free referral service connecting you with licensed, insured local backflow testers in Charleston and nearby areas. The pros we refer perform all work and may pay us a referral fee. We do not perform work or hold licenses. You pay no fee to us and may get other quotes.

Want a real number for your home?

Send the form or call (843) 286-4721. We connect you with a Charleston-area contractor who quotes the job. Free, no obligation.

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