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Jeffrey CantwellLicensed

Licensed septic contractor based in St. Louis, MO

License details

License number39132
License typeOnsite Wastewater Installer - Basic
License statusCurrent registration
License expiresMay 31, 2027
Based inSt. Louis, Missouri
Counties declared to the stateWashington

"Based in" is the city on the business's license record.

What this license covers

  • Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #39132 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Missouri registered onsite wastewater treatment system (OWTS) installers, last checked 2026-08-16. Look it up at the issuing agency.

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