Trade directory · North Charleston metro · South Carolina

Plumbing contractors in
North Charleston, South Carolina.

A public directory of licensed plumbing contractors serving greater North Charleston. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
1,701
U.S. Census Bureau
Peak Season
December through March during tourist season and freeze protection demand
Market estimate
Avg. Response Time
24-48 hours for quotes, same day for emergency calls
Operator average
§ A · Market rates

Common Job Costs

NORTH CHARLESTON-SC · LOCAL ESTIMATES
Service
Description
Cost Range
Emergency drain cleaning
Typical range based on local emergency drain cleaning jobs.
$125 – $300
Water heater installation
Typical range based on local water heater installation jobs.
$800 – $2,200
Toilet replacement
Typical range based on local toilet replacement jobs.
$200 – $600
Main sewer line repair
Typical range based on local main sewer line repair jobs.
$1,500 – $4,500
Kitchen sink installation
Typical range based on local kitchen sink installation jobs.
$250 – $750
Whole house repiping
Typical range based on local whole house repiping jobs.
$3,000 – $8,500
§ B · Regulatory

Licensing Requirements

SC
§1

Licensing Requirements

SC requires Plumbing Contractor License through LLR. Must pass PSI exam covering codes, safety, and trade knowledge. 4 years experience or approved apprenticeship required. $75 application fee plus $50 exam fee. Renewed biennially with 6 hours continuing education.

§2

Permit Requirements

North Charleston requires permits for water heater replacement, new fixtures, repiping, and sewer connections. Permit fees range $50-200. Submit plans to Building Services Department. Same-day permits available for simple repairs.

§3

Inspection Schedule

Required inspections: rough-in before concealment, final before occupancy. Schedule 24 hours advance notice with North Charleston Building Department. Pressure testing required for new installations.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence, $600,000 aggregate. Workers compensation required if employees. Bonding requirements vary by project size - municipal work requires performance bonds.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Meet Experience Requirements

Document 4 years of plumbing experience through employment records, apprenticeship completion, or combination. Submit verification forms from employers or training programs to LLR.

01/06
2

Submit Application

Complete plumbing contractor license application through SC LLR online portal or mail. Include $75 application fee, experience documentation, and background check authorization.

02/06
3

Schedule PSI Exam

Register for plumbing contractor examination through PSI Services. Pay $50 exam fee and schedule at approved testing center. Exam covers SC plumbing code, safety regulations, and trade practices.

03/06
4

Pass Examination

Score minimum 70% on PSI plumbing contractor exam covering code compliance, installation standards, safety protocols, and business practices. Results available immediately upon completion.

04/06
5

Receive License

Upon exam passage and application approval, LLR issues plumbing contractor license valid for 2 years. License allows plumbing contracting throughout South Carolina including permit applications.

05/06
6

Maintain License

Renew license biennially with LLR including 6 hours continuing education. Submit renewal application and fees 30 days before expiration to maintain active status.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

North Charleston's plumber market runs hot with steady residential demand from growing subdivisions plus commercial work from the port and industrial corridor. You're looking at 1701 licensed establishments statewide, so competition's real but work volume supports it. Coastal conditions mean constant pipe corrosion issues, and the tourist influx drives peak demand winters through early spring. Emergency calls pay premium - freeze damage and tourist rental turnovers keep phones ringing. Cost drivers include permit delays, saltwater corrosion requiring frequent replacements, and labor competition from Charleston's construction boom across the river.

To work this market, get your SC contractor license through LLR first - no shortcuts here. North Charleston Building Department moves fast if you know the system, but they'll hammer you on code compliance. Peak money's December through March when vacation rentals need fast turnarounds and freeze calls spike. Keep liability coverage high - coastal moisture creates ongoing warranty issues. Build relationships with local supply houses early - material logistics from the port area can save you serious money. Focus on corrosion-resistant materials and waterproofing - the salt air will eat standard fittings alive and callbacks kill profit margins.

Data Sources
  • Licensed establishments count
    US Census Bureau
  • Licensing requirements
    SC Department of Labor, Licensing and Regulation
  • Permit requirements
    North Charleston Building Services Department
  • Cost estimates
    Regional market analysis estimates
  • Insurance requirements
    SC contractor licensing regulations
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work as a plumber contractor in North Charleston?

You need a South Carolina Plumbing Contractor License issued by the Department of Labor, Licensing and Regulation (LLR). This requires 4 years experience, passing the PSI examination, and costs $125 total for application and exam fees.

Q/02

How much does emergency plumbing cost in North Charleston?

Emergency plumbing runs $125-300 for drain cleaning, with after-hours and weekend calls commanding 50-100% premium. Major repairs like sewer line work range $1500-4500 depending on access and pipe depth.

Q/03

Do I need permits for plumbing work in North Charleston?

Yes, North Charleston requires permits for water heater installation, new fixtures, repiping, and sewer connections. Permits cost $50-200 and require Building Services Department approval with 24-hour inspection scheduling.

Q/04

When is peak season for plumbing contractors in North Charleston?

December through March drives highest demand due to tourist rental turnovers, freeze protection needs, and vacation property maintenance. This coastal tourist season creates premium pricing opportunities.

Q/05

What insurance coverage do plumbing contractors need in South Carolina?

Minimum general liability coverage of $300,000 per occurrence and $600,000 aggregate. Workers compensation is mandatory with employees. Municipal contracts require additional performance bonding based on project value.

§ F · Directory

Plumbing contractors in North Charleston

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