Licensed septic companies in Lake Saint Louis, Missouri
1 business on Missouri’s septic licensing records gives an address in Lake Saint Louis, along with 1 individually licensed professional. Lake Saint Louis is in St. Charles County, which has 149 in total.
- Shay Noa Construction LLC(636) 219-1560Lake Saint LouisInstallerLicence expires April 30, 2027
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| Shay Noa Construction LLCLake Saint Louis | Installer | (636) 219-1560 | April 30, 2027 |
Individually licensed professionals in Lake Saint Louis
| Name | Licence | City | Expires |
|---|---|---|---|
| Tyler Moor | Basic InstallerNo. 37378 | Lake Saint Louis | April 30, 2027 |
More licensed companies elsewhere in St. Charles County
A Missouri licence is valid statewide. These are based in the same county but a different town, and can legally work in Lake Saint Louis.
- 7 Oaks Home Inspections(636) 456-0001WarrenSoil evaluatorLicence expires November 30, 2026
- A & M Septic and Excavating(636) 262-9100ForistellInstallerLicence expires August 31, 2026
- A & S Septic and Utilities LLC(636) 398-6176New MelleInstallerLicence expires March 31, 2028
- A R C Grading, LLC(636) 290-5419Moscow MillsInstallerLicence expires November 30, 2025
- A.R.C. Grading LLC(636) 299-3659Moscow MillsInstallerLicence expires January 31, 2026
- ABBCO Plumbing & Drain LLC(636) 250-3221St. CharlesInstallerLicence expires December 31, 2026
- Accurate Septic & Well Inspections(636) 358-7797St. ClairInstallerLicence expires September 30, 2028
- Accurate Septic & Well Inspections(636) 262-1303St CharlesSoil evaluatorLicence expires August 31, 2028
- Accuro Services,LLC(314) 363-4793WentzvilleInstallerLicence expires December 31, 2027
- Advanced Septic & Trenching(636) 248-7879Old MonroeInstallerLicence expires January 31, 2026
- All American Septic(636) 970-9192WentzvilleInstallerLicence expires March 31, 2026
- Authority Plumbing and Drain(314) 220-6519WarrentonInstallerLicence expires May 31, 2027
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| 7 Oaks Home InspectionsWarren | Soil evaluator | (636) 456-0001 | November 30, 2026 |
| A & M Septic and ExcavatingForistell | Installer | (636) 262-9100 | August 31, 2026 |
| A & S Septic and Utilities LLCNew Melle | Installer | (636) 398-6176 | March 31, 2028 |
| A R C Grading, LLCMoscow Mills | Installer | (636) 290-5419 | November 30, 2025 |
| A.R.C. Grading LLCMoscow Mills | Installer | (636) 299-3659 | January 31, 2026 |
| ABBCO Plumbing & Drain LLCSt. Charles | Installer | (636) 250-3221 | December 31, 2026 |
| Accurate Septic & Well InspectionsSt. Clair | Installer | (636) 358-7797 | September 30, 2028 |
| Accurate Septic & Well InspectionsSt Charles | Soil evaluator | (636) 262-1303 | August 31, 2028 |
| Accuro Services,LLCWentzville | Installer | (314) 363-4793 | December 31, 2027 |
| Advanced Septic & TrenchingOld Monroe | Installer | (636) 248-7879 | January 31, 2026 |
| All American SepticWentzville | Installer | (636) 970-9192 | March 31, 2026 |
| Authority Plumbing and DrainWarrenton | Installer | (314) 220-6519 | May 31, 2027 |
Septic licensing in Lake Saint Louis
- How many licensed septic companies are there in Lake Saint Louis?
- 1 business gives Lake Saint Louis as their address on Missouri's septic licensing records, alongside 1 individually licensed professional. That count is of businesses based in Lake Saint 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 Lake Saint Louis?
- No. Licensing is statewide, so any licensed company can legally work in Lake Saint Louis. St. Charles County has 149 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 Lake Saint 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 St. Charles County
Records as published August 26, 2026. Report a correction.