Licensed septic companies in Columbia, Missouri

• Adamson Construction & Investment
  (573) 673-2405Columbia
  InstallerLicence expires March 31, 2028
• Advantage Contractors
  (573) 268-7292Columbia
  InstallerLicence expires October 31, 2025
• All Missouri Soils, LLC
  (573) 268-6482Columbia
  Soil evaluatorLicence expires November 30, 2027
• All Over the House
  (573) 864-0068Columbia
  Soil evaluatorLicence expires April 30, 2028
• Arthur Ratliff Tree and Stump Removal
  (573) 446-2266Columbia
  InstallerLicence expires January 31, 2028
• Atelier I70
  (646) 339-0943Columbia
  InstallerLicence expires December 31, 2027
• Atephac.
  (573) 239-9969Columbia
  InstallerLicence expires January 31, 2026
• Benjamin Mocarski
  (630) 699-2435Columbia
  Soil evaluatorLicence expires May 31, 2028
• Bio-Gard Inc
  (573) 442-0692Columbia
  InstallerLicence expires March 30, 2027
• Brian Wear Plumbing
  (573) 864-4463Columbia
  InstallerLicence expires May 31, 2028
• Castle Custom Homes
  (573) 356-1050Columbia
  InstallerLicence expires September 30, 2026
• Central Missouri Home Inspections LLC
  (573) 289-7077Columbia
  InstallerSoil evaluatorLicence expires April 30, 2026
• CW Lillig Contracting
  (913) 653-3974Columbia
  InstallerLicence expires January 31, 2026
• Diversified Excavating LLC
  (573) 881-0099Columbia
  InstallerLicence expires February 28, 2027
• Feyerherm Soil Evaluation
  (913) 634-3175Columbia
  Soil evaluatorLicence expires September 30, 2025
• Fox Soil Evaluations
  (310) 746-7065Columbia
  Soil evaluatorLicence expires June 30, 2026
• Haskamp Excavation
  (573) 825-3878Columbia
  InstallerLicence expires May 31, 2028
• J.D. Kelly Excavating Inc
  (573) 808-1606Columbia
  InstallerLicence expires May 31, 2028
• Kennett Exc
  (573) 826-8728Columbia
  InstallerLicence expires April 30, 2026
• MasterTech Plumbing
  (573) 445-7283Columbia
  InstallerLicence expires October 31, 2026
• Mid Missouri Underground LLC
  (573) 826-7384Columbia
  InstallerLicence expires April 30, 2027
• Milam Contracting
  (573) 999-0675Columbia
  InstallerLicence expires January 31, 2026
• National Property Inspections
  (573) 569-9622Columbia
  Soil evaluatorLicence expires October 31, 2028
• National Property Inspections COMO
  (573) 569-9622Columbia
  InstallerLicence expires September 30, 2028
• Pro Pumping & Hydrojetting LLC
  (573) 474-5489Columbia
  InstallerLicence expires July 31, 2028
• Russell Sapp Exc
  (573) 443-4888Columbia
  InstallerLicence expires July 31, 2026
• Samuel Excavating
  (573) 819-4156Columbia
  InstallerLicence expires May 31, 2027
• Seth Paul Excavating, Inc.
  (573) 999-5509Columbia
  InstallerLicence expires January 31, 2026
• SPE Inc
  (573) 999-5509Columbia
  InstallerLicence expires January 31, 2026
• Staats Excavating
  (573) 356-1038Columbia
  InstallerLicence expires July 31, 2026
• Terraform Excavation
  (573) 268-7536Columbia
  InstallerLicence expires May 31, 2026
• Thoma Construction LLC
  (660) 537-3543Columbia
  InstallerLicence expires February 28, 2027
• TW Colton Plumbing and Excavating Inc.
  (573) 808-3518Columbia
  InstallerLicence expires June 30, 2028
• Wood Unlimited
  (573) 443-7106Columbia
  InstallerLicence expires November 30, 2025

Individually licensed professionals in Columbia

More licensed companies elsewhere in Audrain County

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

Septic licensing in Columbia

How many licensed septic companies are there in Columbia?

32 businesses give Columbia as their address on Missouri's septic licensing records, alongside 48 individually licensed professionals. That count is of businesses based in Columbia, not of everyone who will work there — a Missouri licence is valid across the state.

Do I have to use a company based in Columbia?

No. Licensing is statewide, so any licensed company can legally work in Columbia. Audrain County has 101 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 Columbia 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 Audrain County

• Fulton11
• Ashland8
• Auxvasse6
• Huntsville5
• Bowling Green4
• Harrisburg3
• Mexico3
• New London3
• Sturgeon3
• Centralia2