Licensed septic companies in Lamar, Missouri
4 businesses on Missouri’s septic licensing records give an address in Lamar, along with 5 individually licensed professionals. Lamar is in Barton County, which has 65 in total.
- Ayers Construction(417) 825-9913LamarInstallerLicence expires March 31, 2028
- Eddie McDowell Excavation LLC(417) 214-6948LamarInstallerLicence expires September 30, 2026
- Lathrop Excavating(417) 682-1923LamarInstallerLicence expires August 31, 2026
- R&R(417) 214-0615LamarInstallerLicence expires September 30, 2028
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| Ayers ConstructionLamar | Installer | (417) 825-9913 | March 31, 2028 |
| Eddie McDowell Excavation LLCLamar | Installer | (417) 214-6948 | September 30, 2026 |
| Lathrop ExcavatingLamar | Installer | (417) 682-1923 | August 31, 2026 |
| R&RLamar | Installer | (417) 214-0615 | September 30, 2028 |
Individually licensed professionals in Lamar
| Name | Licence | City | Expires |
|---|---|---|---|
| Gene Lathrop | Advanced InstallerNo. 34671 | Lamar | August 31, 2026 |
| James McDowell | Basic InstallerNo. 38878 | Lamar | September 30, 2026 |
| Jeffrey Taylor | Basic InstallerNo. 39556 | Lamar | September 30, 2028 |
| Rodney Ayers | Advanced InstallerNo. 39375 | Lamar | March 31, 2028 |
| Thomas Ayers | Advanced InstallerNo. 39395 | Lamar | March 31, 2028 |
More licensed companies elsewhere in Barton County
A Missouri licence is valid statewide. These are based in the same county but a different town, and can legally work in Lamar.
- A-Quality Excavating/Vaughn Terry(417) 438-4484JoplinInstallerLicence expires May 31, 2026
- Anderson Construction LLC(417) 298-0864StocktonInstallerLicence expires January 31, 2028
- Ben DeWitt Soil Consulting, LLC(417) 895-8610RogersvilleSoil evaluatorLicence expires November 30, 2026
- BlackWater Septic & Sewer(660) 424-3483Rich HillInstallerSoil evaluatorLicence expires September 30, 2026
- Brian Bennett n Son(417) 434-0484OronogoInstallerLicence expires January 31, 2028
- C&L Grease and Wastewater Services, LLC(417) 717-0587CartervilleInstallerSoil evaluatorLicence expires February 28, 2026
- Carter's Plumbing(417) 438-8885OronogoInstallerLicence expires July 31, 2028
- Charity L Schneickert(417) 385-7705JoplinInstallerLicence expires January 31, 2026
- Charley Wilson(417) 768-0328OronogoInstallerLicence expires August 31, 2028
- Cornerstone Property Inspections(417) 209-4321RepublicSoil evaluatorLicence expires November 30, 2026
- Courtney Construction LLC(417) 926-1479Mountain GroveInstallerLicence expires January 31, 2027
- David Barrett - DBA: A Midwest Backflow Co.(816) 315-7202HarrisonvilleInstallerLicence expires March 31, 2028
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| A-Quality Excavating/Vaughn TerryJoplin | Installer | (417) 438-4484 | May 31, 2026 |
| Anderson Construction LLCStockton | Installer | (417) 298-0864 | January 31, 2028 |
| Ben DeWitt Soil Consulting, LLCRogersville | Soil evaluator | (417) 895-8610 | November 30, 2026 |
| BlackWater Septic & SewerRich Hill | InstallerSoil evaluator | (660) 424-3483 | September 30, 2026 |
| Brian Bennett n SonOronogo | Installer | (417) 434-0484 | January 31, 2028 |
| C&L Grease and Wastewater Services, LLCCarterville | InstallerSoil evaluator | (417) 717-0587 | February 28, 2026 |
| Carter's PlumbingOronogo | Installer | (417) 438-8885 | July 31, 2028 |
| Charity L SchneickertJoplin | Installer | (417) 385-7705 | January 31, 2026 |
| Charley WilsonOronogo | Installer | (417) 768-0328 | August 31, 2028 |
| Cornerstone Property InspectionsRepublic | Soil evaluator | (417) 209-4321 | November 30, 2026 |
| Courtney Construction LLCMountain Grove | Installer | (417) 926-1479 | January 31, 2027 |
| David Barrett - DBA: A Midwest Backflow Co.Harrisonville | Installer | (816) 315-7202 | March 31, 2028 |
Septic licensing in Lamar
- How many licensed septic companies are there in Lamar?
- 4 businesses give Lamar as their address on Missouri's septic licensing records, alongside 5 individually licensed professionals. That count is of businesses based in Lamar, not of everyone who will work there — a Missouri licence is valid across the state.
- Do I have to use a company based in Lamar?
- No. Licensing is statewide, so any licensed company can legally work in Lamar. Barton County has 65 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 Lamar 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 Barton County
Records as published August 26, 2026. Report a correction.