Licensed septic companies in Warren, Missouri
1 business on Missouri’s septic licensing records gives an address in Warren, along with 1 individually licensed professional. Warren is in Warren County, which has 133 in total.
- 7 Oaks Home Inspections(636) 456-0001WarrenSoil evaluatorLicence expires November 30, 2026
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| 7 Oaks Home InspectionsWarren | Soil evaluator | (636) 456-0001 | November 30, 2026 |
Individually licensed professionals in Warren
| Name | Licence | City | Expires |
|---|---|---|---|
| Nick Minderman | Onsite Soil EvaluatorNo. 50842 | Warren | November 30, 2026 |
More licensed companies elsewhere in Warren County
A Missouri licence is valid statewide. These are based in the same county but a different town, and can legally work in Warren.
- 3T Plumbing LLC(573) 291-5120RosebudInstallerLicence expires January 31, 2026
- A & M Contracting Services LLC(636) 359-7917WarrentonInstallerLicence expires September 30, 2027
- 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
- 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 |
|---|---|---|---|
| 3T Plumbing LLCRosebud | Installer | (573) 291-5120 | January 31, 2026 |
| A & M Contracting Services LLCWarrenton | Installer | (636) 359-7917 | September 30, 2027 |
| 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 |
| 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 Warren
- How many licensed septic companies are there in Warren?
- 1 business gives Warren as their address on Missouri's septic licensing records, alongside 1 individually licensed professional. That count is of businesses based in Warren, not of everyone who will work there — a Missouri licence is valid across the state.
- Do I have to use a company based in Warren?
- No. Licensing is statewide, so any licensed company can legally work in Warren. Warren County has 133 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 Warren 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.
Records as published August 26, 2026. Report a correction.