Licensed Septic Companies in District of Columbia
The Septic Guide lists 2 septic companies and licensed septic professionals in District of Columbia (data as of October 2026).
Septic services in District of Columbia
Counts of District of Columbia listings by service, from each business's own website or the type of state license it holds.
- 1 septic inspection · guide
- 1 grease trap pumping
Who licenses septic work in District of Columbia?
Nearly all of the District is on public sewer.
Agency: District of Columbia (no septic licensing program).
All District of Columbia listings
District of Columbia County 2
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Ruth Plumbing, Heating & Cooling
152 56th Pl SE, Washington, DC 20019
From their website: Inspection
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Rock Creek Pumping Station
0004W 0811, Washington, DC 20037
From their website: Grease traps
No phone on the state list dcwater.com
No listings match those filters.
Septic companies in District of Columbia: common questions
How many licensed septic companies are in District of Columbia?
The Septic Guide lists 2 septic companies and licensed septic professionals in District of Columbia (data as of October 2026). 1 have a phone number listed; the others appear on the state list without one.
Do septic contractors need a license in District of Columbia?
Not at the state level. Nearly all of the District is on public sewer.
How do I check a septic license in District of Columbia?
District of Columbia has no public statewide list. Nearly all of the District is on public sewer.