Trade directory · Mount Pleasant metro · South Carolina

Plumbing contractors in
Mount Pleasant, South Carolina.

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

Licensed Establishments
1,701
U.S. Census Bureau
Peak Season
June through September due to increased water usage and hurricane season prep
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergencies
Operator average
§ A · Market rates

Common Job Costs

MOUNT PLEASANT-SC · LOCAL ESTIMATES
Service
Description
Cost Range
Toilet installation
Typical range based on local toilet installation jobs.
$275 – $485
Water heater replacement
Typical range based on local water heater replacement jobs.
$1,200 – $2,800
Kitchen sink plumbing
Typical range based on local kitchen sink plumbing jobs.
$350 – $750
Main sewer line repair
Typical range based on local main sewer line repair jobs.
$2,500 – $6,500
Bathroom fixture installation
Typical range based on local bathroom fixture installation jobs.
$450 – $950
Emergency drain clearing
Typical range based on local emergency drain clearing jobs.
$150 – $385
§ B · Regulatory

Licensing Requirements

SC
§1

Licensing Requirements

SC requires Master Plumber license through Department of Labor, Licensing and Regulation. Must complete 4-year apprenticeship or equivalent experience, pass state exam, maintain 6 hours continuing education annually. Contractors need separate Residential or Commercial Plumbing Contractor license. Exam covers codes, safety, business practices. License renewal every 2 years with $50 fee.

§2

Permit Requirements

Mount Pleasant requires permits for water heater replacement, new fixture installation, repiping, sewer line work. Permit fees range $35-150. Must use licensed contractor for all permitted work. Same-day permits available for emergencies.

§3

Inspection Schedule

Rough-in inspection before covering work, final inspection upon completion. Schedule 24 hours advance notice. Water heater installations require electrical inspection if gas-to-electric conversion.

§4

Insurance Minimums

General liability minimum $300,000, workers compensation required if employees. Bonding required for municipal contracts. Many customers require $1M liability coverage.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Complete Education Requirements

Complete 4-year plumbing apprenticeship program or document equivalent work experience. Must include training in codes, safety, and installation practices.

01/05
2

Apply for Examination

Submit application to SC Department of Labor, Licensing and Regulation with experience documentation, education certificates, and $50 application fee.

02/05
3

Pass Master Plumber Exam

Pass written examination covering IRC, IPC, state plumbing code, safety regulations, and business practices. Exam offered quarterly in Columbia.

03/05
4

Obtain Contractor License

Apply for separate Residential or Commercial Plumbing Contractor license with additional business law examination and insurance documentation.

04/05
5

Maintain License

Complete 6 hours continuing education annually, renew every 2 years with $50 fee, maintain required insurance coverage throughout license period.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Mount Pleasant's plumber market runs hot with steady residential growth and aging coastal infrastructure. Competition is fierce among the 85+ established firms, but demand stays strong from new construction in Park West and Daniel Island plus constant maintenance needs from salt air corrosion. Costs run 15-20% above state average due to hurricane-resistant materials requirements and skilled labor shortage. Emergency work during storm season pays premium rates. Getting licensed in SC means navigating a 4-year apprenticeship requirement unless you've got equivalent experience to test out. The state exam isn't a joke - covers IRC, IPC, and business law. Mount Pleasant moves fast on permits but inspections can bottleneck during peak construction season. Hurricane prep work in May-June and post-storm repairs drive the biggest revenue. Keep emergency equipment staged and charge accordingly - customers pay premium for 24-hour availability when their basement floods.

Data Sources
  • Licensed establishments count
    US Census Bureau
  • Licensing requirements
    SC Department of Labor, Licensing and Regulation
  • Permit requirements
    Mount Pleasant Building Department
  • Cost estimates
    Local contractor estimates
  • Insurance requirements
    SC licensing board regulations
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work as a plumber in Mount Pleasant, SC?

You need a SC Master Plumber license plus Plumbing Contractor license from SC Department of Labor, Licensing and Regulation. Requires 4-year apprenticeship or equivalent experience and passing state exam.

Q/02

How much does water heater replacement cost in Mount Pleasant?

Water heater replacement ranges $1,200-2,800 depending on unit type and installation complexity. Tankless units and hurricane-rated installations cost more due to local requirements.

Q/03

Do I need permits for plumbing work in Mount Pleasant?

Yes, Mount Pleasant requires permits for water heater replacement, new fixtures, repiping, and sewer work. Permits cost $35-150 and require licensed contractor installation.

Q/04

When is peak season for plumbers in Mount Pleasant?

Peak season runs June-September due to hurricane prep, increased water usage, and post-storm repairs. Emergency rates apply during storm events.

Q/05

What insurance do plumbing contractors need in South Carolina?

Minimum $300,000 general liability required, plus workers compensation if you have employees. Most commercial clients require $1M liability coverage.

§ F · Directory

Plumbing contractors in Mount Pleasant

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