North Charleston, SC

Commercial Kitchen Backflow Testing in North Charleston, SC

Short answer

Commercial kitchen backflow testing in North Charleston commonly costs $50 to $150 per assembly annually. Call CHS Backflow at (843) 286-4721 for a free referral to a licensed, insured local tester.

Updated October 30, 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 About $50 to $150 per assembly; repairs cost extra
Time Annual testing required; testers certified for 3-year terms
Who's qualified State certified backflow prevention tester with a current South Carolina certification card

North Charleston, SC: what's different here

North Charleston sits in Charleston County and is about 6 miles, roughly a 10-minute drive, from Charleston by main highway. The city has a local permitting footprint for utility and construction work, including a stormwater submittal office in the area. State certification training is also locally accessible, with classes held at the North Charleston Convention Center.

Who can test a commercial kitchen backflow assembly in North Charleston?

South Carolina requires all backflow testing to be done by a state certified backflow prevention tester. The Department issues certification cards, and a certified tester must hold an up-to-date card. Commercial customers must contract approved certified testers.

How does a tester earn certification in South Carolina?

Candidates pass both a written exam and a proctored practical exam. The certification course is a 4-day class, and a Charleston-area class has been held at the North Charleston Convention Center. Certification is valid for 3 years and must be renewed.

When must each assembly be tested?

Each backflow prevention assembly must be tested by a certified tester after installation and before use by the customer. After that, commercial kitchens need an annual test of every assembly. Higher costs apply if repairs or rebuild parts are needed.

What permits or fees apply in North Charleston?

North Charleston's plumbing permit schedule lists a $30 non-refundable application filing fee plus $3.50 for vacuum breakers or backflow protection devices. Ask the pro about any permit needed before installation work. The tester's gauge must be accurate within 2% of full scale or plus/minus 0.3 psi differential.

What to do next

  1. Schedule an annual test for every backflow assembly in the kitchen.
  2. Verify the tester holds a current South Carolina backflow prevention assembly tester certification card.
  3. Ask for the $50 to $150 per-assembly test price in writing before the visit.
  4. Request proof of licence and insurance, plus any permit fees like the $30 filing fee.
  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 often does a commercial kitchen backflow assembly need testing?

Each assembly must be tested after installation and before use, then annually thereafter. Commercial customers must use certified testers for every test.

What gauge accuracy is required for backflow testing?

A certified tester's gauge must be accurate within 2% of full scale or plus/minus 0.3 psi differential. This standard keeps test readings accurate.

How long is a South Carolina backflow tester certification valid?

The certification is valid for 3 years and must be renewed to remain valid. Processing costs $150 per certification.

How far is North Charleston from Charleston?

North Charleston is about 6 miles from Charleston, roughly 10 minutes by car via the main highway.

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.

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