Skip to content
Septic Registry

Licensed septic companies in Charlestown, Rhode Island

8 businesses on Rhode Island’s septic licensing records give an address in Charlestown. Charlestown is in Washington County, which has 69 in total.

More licensed companies elsewhere in Washington County

A Rhode Island licence is valid statewide. These are based in the same county but a different town, and can legally work in Charlestown.

Septic licensing in Charlestown

How many licensed septic companies are there in Charlestown?
8 businesses give Charlestown as their address on Rhode Island's septic licensing records. That count is of businesses based in Charlestown, not of everyone who will work there — a Rhode Island licence is valid across the state.
Do I have to use a company based in Charlestown?
No. Licensing is statewide, so any licensed company can legally work in Charlestown. Washington County has 69 in total, and companies in neighbouring counties can travel too. Being local usually matters for call-out speed and price, not permission.
How do I check a Charlestown septic company is really licensed?
Every listing here names the record it came from and the date that record was published. To confirm it is still current, check with RIDEM's OWTS professional licensing office.

Other towns in Washington County

Records as published August 26, 2026. Report a correction.