Licensed septic companies in Howard County, Missouri

70 businesses on Missouri’s septic licensing records give Howard County as its address.

59 registered owts installers →13 registered onsite soil evaluators →

Licensed businesses based in Howard County

24/7 plumbology
(660) 676-3636Huntsville
InstallerLicence expires January 31, 2027
Aaron J Elgas
(573) 550-4690Auxvasse
Soil evaluatorLicence expires February 28, 2026
Accuro Services,LLC
(314) 363-4793Wentzville
InstallerLicence expires December 31, 2027
Affordable Plumbing Maintenance LLC
(660) 621-1812Boonville
InstallerLicence expires December 31, 2026
Agee plumbing
(660) 651-4701Moberly
InstallerLicence expires September 30, 2027
All Clear Pumping & Sewer
(573) 634-0165Centertown
InstallerLicence expires January 31, 2026
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
Benjamin Mocarski
(630) 699-2435Columbia
Soil evaluatorLicence expires May 31, 2028
Bio-Gard Inc
(573) 442-0692Columbia
InstallerLicence expires March 30, 2027
Blacktop, LLC
(417) 533-4026Lynchburg
InstallerLicence expires May 31, 2028
Brandl's Construction Services LLC
(573) 301-7148Fulton
InstallerLicence expires April 30, 2027
Brian Wear Plumbing
(573) 864-4463Columbia
InstallerLicence expires May 31, 2028
C.L. Richardson
(573) 682-4452Ashland
InstallerLicence expires April 30, 2027
C&H Septic Service's
(660) 263-7901Moberly
InstallerLicence expires July 31, 2026
Carter Concrete & Excavating
(573) 881-6333Harrisburg
InstallerLicence expires February 28, 2026
Central Missouri Home Inspections LLC
(573) 289-7077Columbia
InstallerSoil evaluatorLicence expires April 30, 2026
Connor Brooks Excavating LLC
(573) 999-5490Hallsville
InstallerLicence expires May 31, 2026
Courtney Construction LLC
(417) 926-1479Mountain Grove
InstallerLicence expires January 31, 2027
CW Lillig Contracting
(913) 653-3974Columbia
InstallerLicence expires January 31, 2026
David Barrett - DBA: A Midwest Backflow Co.
(816) 315-7202Harrisonville
InstallerLicence expires March 31, 2028
Diversified Excavating LLC
(573) 881-0099Columbia
InstallerLicence expires February 28, 2027
Double J Excavating
(573) 489-3112Clark
InstallerLicence expires January 31, 2026
Elite Wastewater Solutions LLC
(573) 687-7011Sturgeon
InstallerLicence expires March 31, 2028
Feyerherm Soil Evaluation
(913) 634-3175Columbia
Soil evaluatorLicence expires September 30, 2025
Fox Soil Evaluations
(310) 746-7065Columbia
Soil evaluatorLicence expires June 30, 2026
Gallop Excavating LLC
(660) 651-8167Madison
InstallerLicence expires May 31, 2028
GBK Excavating
(573) 239-2215Sturgeon
InstallerLicence expires May 31, 2026
Good Neighbor Soil Evaluators
(443) 567-3536Hallsville
InstallerSoil evaluatorLicence expires January 31, 2026
Green Acres Septic Tank Service
(573) 529-6706Williamsburg
Soil evaluatorLicence expires March 31, 2026
Hardcore Excavating
(573) 356-9930Boonville
InstallerLicence expires May 31, 2027
Haskamp Excavation
(573) 825-3878Rocheport
InstallerLicence expires May 31, 2026
Haskamp Excavation
(573) 825-3878Columbia
InstallerLicence expires May 31, 2028
Honest Abe’s
(573) 514-8146Eldon
InstallerLicence expires January 31, 2026
Honest Abe's Home Services
(573) 286-7540Osage Beach
InstallerLicence expires November 30, 2025
Imhoff Dozing & Trenching
(660) 537-2547
InstallerLicence expires June 30, 2027
J.D. Kelly Excavating Inc
(573) 808-1606Columbia
InstallerLicence expires May 31, 2028
Joe Brooks
(573) 530-0124Centralia
InstallerLicence expires September 30, 2027
K&P Services LLC
(816) 854-9091Blue Springs
InstallerLicence expires August 31, 2028
Kelley Soil Services
(573) 619-6997
Soil evaluatorLicence expires March 31, 2026
Korte Excavation
(573) 645-4853Russellville
InstallerLicence expires April 30, 2027
M.H. Inspection Services L.L.C
(573) 721-3816Perry
Soil evaluatorLicence expires December 31, 2027
MasterTech Plumbing
(573) 445-7283Columbia
InstallerLicence expires October 31, 2026
Mid-MO Complete Septic Services LLC
(660) 676-3676Moberly
InstallerLicence expires January 31, 2028
Midstate Builders
(660) 848-3005New Franklin
InstallerLicence expires March 31, 2026
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
Peace of Mind Home Inspections
(573) 491-8702New Bloomfield
Soil evaluatorLicence expires March 31, 2026
Post Contract Services
(573) 489-2601Ashland
InstallerLicence expires October 31, 2026
Powers Construction LLC.
(573) 657-4105Hartsburg
InstallerLicence expires February 28, 2027
Pro Pumping & Hydrojetting LLC
(573) 474-5489Columbia
InstallerLicence expires July 31, 2028
R.B. Small Excavation LLC
(660) 676-9184Moberly
InstallerLicence expires January 31, 2026
Robbey D Harvey Gen Carpentry
(660) 621-1600New Franklin
InstallerLicence expires May 31, 2026
Rock Creek Excavating LLC
(660) 631-2376Slater
InstallerLicence expires July 31, 2028
Roger Morris
(573) 881-1428Ashland
InstallerLicence expires April 30, 2026
Russell Sapp Exc
(573) 443-4888Columbia
InstallerLicence expires July 31, 2026
Sam's Home & Commercial Inspectors
(573) 202-6062Vichy
InstallerLicence expires August 31, 2028
Seth Paul Excavating, Inc.
(573) 999-5509Columbia
InstallerLicence expires January 31, 2026
Shay Mechanical
(660) 882-2665Boonville
InstallerLicence expires March 31, 2028
Staats Excavating
(573) 356-1038Columbia
InstallerLicence expires July 31, 2026
Sutton Excavating
(573) 881-5984Sturgeon
InstallerLicence expires September 30, 2027
Terraform Excavation
(573) 268-7536Columbia
InstallerLicence expires May 31, 2026
Thoma Construction LLC
(660) 537-3543Columbia
InstallerLicence expires February 28, 2027
Tim Sublett Exc
(573) 239-1355Harrisburg
InstallerLicence expires June 30, 2027
Timothy Knoernschild - The Soilsman
(660) 281-6698Clinton
Soil evaluatorLicence expires March 31, 2026
Todd McDonald
(573) 529-6836Prairie Home
InstallerLicence expires January 31, 2026
TW Colton Plumbing and Excavating Inc.
(573) 808-3518Columbia
InstallerLicence expires June 30, 2028
Wendling & Son's
(573) 489-7576Woolridge
InstallerLicence expires January 31, 2028
Wood Unlimited
(573) 443-7106Columbia
InstallerLicence expires November 30, 2025

Licensed septic companies in Howard County
Company	Licensed for	Phone	Licence expires
24/7 plumbologyHuntsville	Installer	(660) 676-3636	January 31, 2027
Aaron J ElgasAuxvasse	Soil evaluator	(573) 550-4690	February 28, 2026
Accuro Services,LLCWentzville	Installer	(314) 363-4793	December 31, 2027
Affordable Plumbing Maintenance LLCBoonville	Installer	(660) 621-1812	December 31, 2026
Agee plumbingMoberly	Installer	(660) 651-4701	September 30, 2027
All Clear Pumping & SewerCentertown	Installer	(573) 634-0165	January 31, 2026
All Over the HouseColumbia	Soil evaluator	(573) 864-0068	April 30, 2028
Arthur Ratliff Tree and Stump RemovalColumbia	Installer	(573) 446-2266	January 31, 2028
Benjamin MocarskiColumbia	Soil evaluator	(630) 699-2435	May 31, 2028
Bio-Gard IncColumbia	Installer	(573) 442-0692	March 30, 2027
Blacktop, LLCLynchburg	Installer	(417) 533-4026	May 31, 2028
Brandl's Construction Services LLCFulton	Installer	(573) 301-7148	April 30, 2027
Brian Wear PlumbingColumbia	Installer	(573) 864-4463	May 31, 2028
C.L. RichardsonAshland	Installer	(573) 682-4452	April 30, 2027
C&H Septic Service'sMoberly	Installer	(660) 263-7901	July 31, 2026
Carter Concrete & ExcavatingHarrisburg	Installer	(573) 881-6333	February 28, 2026
Central Missouri Home Inspections LLCColumbia	InstallerSoil evaluator	(573) 289-7077	April 30, 2026
Connor Brooks Excavating LLCHallsville	Installer	(573) 999-5490	May 31, 2026
Courtney Construction LLCMountain Grove	Installer	(417) 926-1479	January 31, 2027
CW Lillig ContractingColumbia	Installer	(913) 653-3974	January 31, 2026
David Barrett - DBA: A Midwest Backflow Co.Harrisonville	Installer	(816) 315-7202	March 31, 2028
Diversified Excavating LLCColumbia	Installer	(573) 881-0099	February 28, 2027
Double J ExcavatingClark	Installer	(573) 489-3112	January 31, 2026
Elite Wastewater Solutions LLCSturgeon	Installer	(573) 687-7011	March 31, 2028
Feyerherm Soil EvaluationColumbia	Soil evaluator	(913) 634-3175	September 30, 2025
Fox Soil EvaluationsColumbia	Soil evaluator	(310) 746-7065	June 30, 2026
Gallop Excavating LLCMadison	Installer	(660) 651-8167	May 31, 2028
GBK ExcavatingSturgeon	Installer	(573) 239-2215	May 31, 2026
Good Neighbor Soil EvaluatorsHallsville	InstallerSoil evaluator	(443) 567-3536	January 31, 2026
Green Acres Septic Tank ServiceWilliamsburg	Soil evaluator	(573) 529-6706	March 31, 2026
Hardcore ExcavatingBoonville	Installer	(573) 356-9930	May 31, 2027
Haskamp ExcavationRocheport	Installer	(573) 825-3878	May 31, 2026
Haskamp ExcavationColumbia	Installer	(573) 825-3878	May 31, 2028
Honest Abe’sEldon	Installer	(573) 514-8146	January 31, 2026
Honest Abe's Home ServicesOsage Beach	Installer	(573) 286-7540	November 30, 2025
Imhoff Dozing & Trenching	Installer	(660) 537-2547	June 30, 2027
J.D. Kelly Excavating IncColumbia	Installer	(573) 808-1606	May 31, 2028
Joe BrooksCentralia	Installer	(573) 530-0124	September 30, 2027
K&P Services LLCBlue Springs	Installer	(816) 854-9091	August 31, 2028
Kelley Soil Services	Soil evaluator	(573) 619-6997	March 31, 2026
Korte ExcavationRussellville	Installer	(573) 645-4853	April 30, 2027
M.H. Inspection Services L.L.CPerry	Soil evaluator	(573) 721-3816	December 31, 2027
MasterTech PlumbingColumbia	Installer	(573) 445-7283	October 31, 2026
Mid-MO Complete Septic Services LLCMoberly	Installer	(660) 676-3676	January 31, 2028
Midstate BuildersNew Franklin	Installer	(660) 848-3005	March 31, 2026
Milam ContractingColumbia	Installer	(573) 999-0675	January 31, 2026
National Property InspectionsColumbia	Soil evaluator	(573) 569-9622	October 31, 2028
National Property Inspections COMOColumbia	Installer	(573) 569-9622	September 30, 2028
Peace of Mind Home InspectionsNew Bloomfield	Soil evaluator	(573) 491-8702	March 31, 2026
Post Contract ServicesAshland	Installer	(573) 489-2601	October 31, 2026
Powers Construction LLC.Hartsburg	Installer	(573) 657-4105	February 28, 2027
Pro Pumping & Hydrojetting LLCColumbia	Installer	(573) 474-5489	July 31, 2028
R.B. Small Excavation LLCMoberly	Installer	(660) 676-9184	January 31, 2026
Robbey D Harvey Gen CarpentryNew Franklin	Installer	(660) 621-1600	May 31, 2026
Rock Creek Excavating LLCSlater	Installer	(660) 631-2376	July 31, 2028
Roger MorrisAshland	Installer	(573) 881-1428	April 30, 2026
Russell Sapp ExcColumbia	Installer	(573) 443-4888	July 31, 2026
Sam's Home & Commercial InspectorsVichy	Installer	(573) 202-6062	August 31, 2028
Seth Paul Excavating, Inc.Columbia	Installer	(573) 999-5509	January 31, 2026
Shay MechanicalBoonville	Installer	(660) 882-2665	March 31, 2028
Staats ExcavatingColumbia	Installer	(573) 356-1038	July 31, 2026
Sutton ExcavatingSturgeon	Installer	(573) 881-5984	September 30, 2027
Terraform ExcavationColumbia	Installer	(573) 268-7536	May 31, 2026
Thoma Construction LLCColumbia	Installer	(660) 537-3543	February 28, 2027
Tim Sublett ExcHarrisburg	Installer	(573) 239-1355	June 30, 2027
Timothy Knoernschild - The SoilsmanClinton	Soil evaluator	(660) 281-6698	March 31, 2026
Todd McDonaldPrairie Home	Installer	(573) 529-6836	January 31, 2026
TW Colton Plumbing and Excavating Inc.Columbia	Installer	(573) 808-3518	June 30, 2028
Wendling & Son'sWoolridge	Installer	(573) 489-7576	January 31, 2028
Wood UnlimitedColumbia	Installer	(573) 443-7106	November 30, 2025

Who handles septic permits in Howard County

Missouri registers the individual installer and records the counties they serve. Your local health authority permits the system itself, and in some counties runs its own additional requirements on top.

How to verify a septic licence before you hire →

Licensed companies in neighbouring counties

A Missouri septic licence is valid statewide, so a company listed in an adjoining county can legally do the work in Howard County.

Records as published August 26, 2026. A licence can lapse at any time — confirm with Missouri DHSS, or the state's own published registration data before hiring. Report a correction.