South · 2 covered cities and towns
Plumbers in District of Columbia
We connect District of Columbia homeowners with independent, licensed plumbers in 2 cities and towns across 84 ZIP codes. Rowhouses and older apartment buildings dominate, so shared stacks, cast iron drains and lead service lines are common subjects; DC Water runs a lead service line replacement program.
- Regular winter freezes
- Generally moderate water
Plumbing in District of Columbia: what's different
- Rowhouses and older apartment buildings dominate, so shared stacks, cast iron drains and lead service lines are common subjects; DC Water runs a lead service line replacement program.
- Basement units and below-grade kitchens make sewer backups and backwater valves a real concern during heavy storms.
- Licensing
- Plumbers in the District are licensed through the Department of Licensing and Consumer Protection (DLCP), and permits are issued by the Department of Buildings.
- Winters
- Regular winter freezes.
- Water hardness
- Generally moderate. Check your utility's annual water quality report for your system.
- Home heating
- 49% utility gas, 46% electric (Census ACS).
| Year built | Share of homes |
|---|---|
| Before 1940 | 32% |
| 1940–1959 | 22% |
| 1960–1979 | 17% |
| 1980–1999 | 8% |
| 2000 or later | 22% |
Share of housing units, Census ACS 2023 5-year estimates.
Local plumbing pages in District of Columbia
Each page covers the age of local housing, how homes are heated and the problems that follow, based on Census data for the ZIP codes we cover.
Common plumbing work in District of Columbia
Other District of Columbia cities and towns we cover
These 1 places are in our network but don't have their own page yet. Call or check your ZIP code to be connected with a plumber.
District of Columbia (1)
Washington Navy Yard
District of Columbia plumbing FAQ
How do I check a plumber's license in District of Columbia?
Plumbers in the District are licensed through the Department of Licensing and Consumer Protection (DLCP), and permits are issued by the Department of Buildings.
Do pipes freeze in District of Columbia?
Yes, during cold snaps. Pipes in crawl spaces, exterior walls and unheated garages are the ones that freeze. Disconnect hoses in fall and open sink cabinets on the coldest nights.
Is District of Columbia water hard?
Generally moderate, based on national hardness mapping, but it varies by utility and by well. Your water provider's annual water quality report lists the hardness for your system, and a plumber can test well water.
How old are homes in District of Columbia?
Census estimates for District of Columbia put 54% of homes as built before 1960, 17% from 1960 to 1979, 8% from 1980 to 1999 and 22% in 2000 or later. Older homes are more likely to have galvanized supply pipe and cast iron or clay sewer lines.
Sources: coverage from our plumbing network (updated October 2026); housing and heating figures from US Census Bureau American Community Survey 2023 5-year estimates. All states
Need a plumber in District of Columbia?
Same-day service when a plumber is available. One call connects you with a licensed plumber who serves your ZIP.