| Quick facts | Answer |
|---|---|
| Cost range | About $40 to $179 per residential device; commercial up to $125 per test |
| Time | A backflow test commonly takes about 20 minutes |
| Who's qualified | State-certified backflow prevention tester, required by South Carolina law |
North Charleston, SC: what's different here
North Charleston sits in Charleston County, South Carolina, and is about 6 miles and roughly 10 minutes by car from downtown Charleston via the main highway. The city has a mix of older and newer housing, with median sale prices ranging from about $69,000 to $181,651 across its ZIP codes, so assemblies vary widely in age. The area's temperate to subtropical climate, with about 230 sunny days a year, means outdoor irrigation and lawn devices are tested regularly.
Does South Carolina require backflow testing every year?
Yes. South Carolina requires backflow prevention assemblies to be tested at least once annually by a certified tester. Assemblies must also be tested after installation, before use, and immediately after repairs.
Who is allowed to perform backflow testing in South Carolina?
Only a state-certified backflow prevention tester may test assemblies. South Carolina lists four categories: General Tester, Limited Tester, Inspector Tester, and Manufacturer's Agent. Ask the pro which category they hold before booking.
How do I verify a backflow tester's certification?
Ask the pro for proof of licence and insurance and confirm the SC BPAT certification is current. South Carolina certifications expire every 3 years, and renewal requires a written exam with a 70% passing score plus field testing.
What drives the price of a backflow test?
Plumbers commonly charge $75 to $150 per hour, and this labor rate is a major factor in price. Published local prices range from about $25 to $179 per assembly, depending on device type and whether it is residential or commercial.
What to do next
- Confirm the tester holds a current South Carolina backflow tester certification, valid for 3 years, before booking.
- Ask the pro for a 20-minute test quote per assembly so you can compare the per-device rate.
- Request proof of licence and insurance in writing before the pro arrives.
- Ask whether the annual test report will be filed electronically, as required by the local utility program.
- 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.
