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Septic Registry

Licensed septic companies in St. Louis, Missouri

16 businesses on Missouri’s septic licensing records give an address in St. Louis, along with 18 individually licensed professionals. St. Louis is in Franklin County, which has 157 in total.

12 registered owts installers5 registered onsite soil evaluators

Individually licensed professionals in St. Louis

Licensed professionals in St. Louis
NameLicenceCityExpires
Ashley HarropOnsite Soil EvaluatorNo. 51355St. LouisFebruary 28, 2026
Benjamin CocosBasic InstallerNo. 37251St LouisAugust 31, 2026
Brett KlimaszewskiAdvanced InstallerNo. 38234St. LouisJanuary 31, 2028
Calvin HintonBasic InstallerNo. 34746St LouisMay 31, 2026
Charles HarwoodOnsite Soil EvaluatorNo. 10022St. LouisMarch 31, 2026
Christopher BellmAdvanced InstallerNo. 31972St. LouisMay 31, 2026
Clayton WoodBasic InstallerNo. 38827St. LouisJuly 31, 2026
Doug LeekerAdvanced InstallerNo. 35957St. LouisJune 30, 2027
Doug LeekerOnsite Soil EvaluatorNo. 50847St. LouisJune 30, 2027
Douglas BauerAdvanced InstallerNo. 38233St. LouisJanuary 31, 2028
Jason RatliffOnsite Soil EvaluatorNo. 51053St. LouisSeptember 30, 2028
Jeffrey CantwellBasic InstallerNo. 39132St LouisMay 31, 2027
Justin ManleyBasic InstallerNo. 39018St. LouisDecember 31, 2026
Kenneth MerloBasic InstallerNo. 32301St. LouisAugust 31, 2026
Samuel EbegbodiAdvanced InstallerNo. 37690St. LouisNovember 30, 2025
Samuel EbegbodiOnsite Soil EvaluatorNo. 51212St. LouisAugust 31, 2026
Stjepan DizdarBasic InstallerNo. 32157St. LouisMarch 31, 2028
Terry BlevinsAdvanced InstallerNo. 38470St. LouisSeptember 30, 2028

More licensed companies elsewhere in Franklin County

A Missouri licence is valid statewide. These are based in the same county but a different town, and can legally work in St. Louis.

Septic licensing in St. Louis

How many licensed septic companies are there in St. Louis?
16 businesses give St. Louis as their address on Missouri's septic licensing records, alongside 18 individually licensed professionals. That count is of businesses based in St. Louis, not of everyone who will work there — a Missouri licence is valid across the state.
Do I have to use a company based in St. Louis?
No. Licensing is statewide, so any licensed company can legally work in St. Louis. Franklin County has 157 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 St. Louis 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 Missouri DHSS, or the state's own published registration data.

Other towns in Franklin County

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