Trade directory · Washington metro · District of Columbia

Plumbing contractors in
Washington, District of Columbia.

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

Licensed Establishments
37
U.S. Census Bureau
Peak Season
Winter months (December-February) due to frozen pipes and heating system issues, plus spring (March-May) for renovation projects
Market estimate
Avg. Response Time
24-48 hours for standard quotes, same-day for emergency services
Operator average
Avg. Hourly Wage
$40/hr
Bureau of Labor Statistics
§ A · Market rates

Common Job Costs

WASHINGTON-DC · LOCAL ESTIMATES
Service
Description
Cost Range
Drain cleaning
Typical range based on local drain cleaning jobs.
$150 – $350
Water heater installation
Typical range based on local water heater installation jobs.
$1,200 – $3,500
Kitchen/bathroom faucet replacement
Typical range based on local kitchen/bathroom faucet replacement jobs.
$200 – $500
Toilet installation
Typical range based on local toilet installation jobs.
$300 – $600
Pipe repair/replacement
Typical range based on local pipe repair/replacement jobs.
$250 – $800
Emergency service calls
Typical range based on local emergency service calls jobs.
$200 – $450
§ B · Regulatory

Licensing Requirements

DC
§1

Licensing Requirements

DC requires Master Plumber License through DC Department of Consumer and Regulatory Affairs (DCRA). Must have 4 years experience as journeyman, pass written exam, and provide proof of $50,000 surety bond. Journeyman License requires 4-year apprenticeship or equivalent experience plus exam. Licenses renew every 2 years with continuing education requirements.

§2

Permit Requirements

Plumbing permits required for all installations, repairs affecting water supply lines, sewer connections, and water heater replacements. Permits obtained through DCRA, typical cost $25-200 depending on scope.

§3

Inspection Schedule

Rough-in inspection before concealment of work, final inspection upon completion. Emergency repairs may receive expedited inspection within 24-48 hours.

§4

Insurance Minimums

General liability minimum $300,000, workers compensation if employees present, surety bond $50,000 for master plumber license

§ C · Path to license

How to Get Licensed

6 STEPS
1

Complete apprenticeship or gain experience

Complete a 4-year plumbing apprenticeship program or equivalent work experience as documented by previous employers

01/06
2

Apply for Journeyman License

Submit application to DCRA with proof of experience, pass written examination, and pay required fees

02/06
3

Work as journeyman for 4 years

Gain 4 years of experience working under master plumber supervision while holding valid journeyman license

03/06
4

Obtain surety bond

Secure $50,000 surety bond from licensed bonding company before applying for master license

04/06
5

Apply for Master Plumber License

Submit master plumber application to DCRA with proof of journeyman experience, surety bond, and pass master plumber examination

05/06
6

Maintain license and renewals

Renew license every 2 years, complete continuing education requirements, and maintain insurance and bonding requirements

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Washington DC's plumber market is tight with only 37 licensed establishments serving a dense urban population of 700,000+. High demand comes from aging infrastructure in historic neighborhoods, constant renovation in gentrifying areas, and emergency calls from freeze-thaw cycles hitting old pipe systems. Labor costs run above national average at $40.31/hour median wage, driven by high cost of living and skilled labor shortage. Commercial work from government buildings and hospitality sector provides steady revenue streams. Getting licensed in DC is no joke - you need that Master Plumber credential through DCRA, which means 4 years journeyman time, passing their exam, and posting a $50,000 bond. The permit process runs through DCRA and inspections are mandatory for most jobs. Winter is your money season when pipes freeze and emergency calls spike. Spring renovation boom keeps you busy through May. Focus on building relationships with property management companies - they control a lot of repeat business in this market. Keep your insurance current and paperwork tight because DC doesn't mess around with compliance.

Data Sources
  • Median hourly wage $40.31/hr
    Bureau of Labor Statistics
  • 37 licensed establishments
    US Census Bureau
  • Licensing requirements
    DC Department of Consumer and Regulatory Affairs (DCRA)
  • Permit requirements
    DC Department of Consumer and Regulatory Affairs
  • Insurance minimums
    DC Department of Insurance, Securities and Banking
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work as a plumber in Washington DC?

You need either a Journeyman or Master Plumber License through DC Department of Consumer and Regulatory Affairs (DCRA). Master license requires 4 years journeyman experience, written exam, and $50,000 surety bond.

Q/02

How much do plumbers make in Washington DC?

According to Bureau of Labor Statistics data, plumbers in DC earn a median wage of $40.31 per hour or $83,845 annually, above the national average due to high cost of living and demand.

Q/03

Do I need permits for plumbing work in Washington DC?

Yes, DC requires permits for most plumbing work including installations, water supply line repairs, sewer connections, and water heater replacements. Permits are obtained through DCRA.

Q/04

How many plumbing contractors operate in Washington DC?

According to Census data, approximately 37 licensed plumbing establishments operate in Washington DC, creating a competitive but opportunity-rich market for qualified contractors.

Q/05

What insurance do plumbers need in Washington DC?

DC requires minimum $300,000 general liability insurance, workers compensation if you have employees, and a $50,000 surety bond for master plumber license holders.

§ F · Directory

Plumbing contractors in Washington

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