Licensed septic companies in Franklin County, Missouri

157 businesses on Missouri’s septic licensing records give Franklin County as its address, alongside 105 individually licensed onsite professionals.

134 registered owts installers →29 registered onsite soil evaluators →105 registered onsite wastewater professionals →

Licensed businesses based in Franklin County

3T Plumbing LLC
(573) 291-5120Rosebud
InstallerLicence expires January 31, 2026
A & B Plumbing & Heating, Inc.
(573) 431-7556Park Hills
InstallerLicence expires February 28, 2026
A R C Grading, LLC
(636) 290-5419Moscow Mills
InstallerLicence expires November 30, 2025
Aa Quick Plumbing & Sewer Service of Jefferson County, Inc.
(636) 296-1211Dittmer
InstallerLicence expires March 31, 2026
AA Quick Sewer Service
(636) 296-1211Dittmer
InstallerLicence expires February 29, 2028
Accurate Septic & Well Inspections
(636) 262-1303St Charles
Soil evaluatorLicence expires August 31, 2028
Accuro Services,LLC
(314) 363-4793Wentzville
InstallerLicence expires December 31, 2027
Affordable Plumbing LLC
(314) 971-3063Hermann
InstallerLicence expires January 31, 2028
Appraisal & Building Solutions LLC
(573) 241-8273St James
InstallerLicence expires July 31, 2026
B Green Plumbing & Drain Cleaning LLC
(314) 604-5000Warrenton
InstallerLicence expires June 30, 2026
Backhoe Services Unlimited
(636) 234-4790Villa Ridge
InstallerLicence expires March 31, 2027
Ballmann Earthworks
(636) 236-4242Augusta
InstallerLicence expires March 31, 2028
Baner Excavation
(314) 258-5544Hillsboro
InstallerLicence expires February 28, 2027
Bauche Contracting LLC
(636) 369-1474Washington
InstallerLicence expires April 30, 2027
BDG Contracting Inc
(314) 478-2388St. Louis
InstallerLicence expires January 31, 2028
Benchmark Excavating LLC
(636) 734-5198Foristell
InstallerLicence expires July 31, 2026
Big D Pipe LLC
(636) 399-7495St Charles
InstallerLicence expires May 31, 2028
Bigley Construction
(636) 583-7854Union
InstallerLicence expires July 31, 2026
Bill Martin Construction LLC
(636) 271-2653Eureka
InstallerLicence expires May 31, 2026
Bill Williams Construction
(636) 274-2641Cedar Hill
InstallerLicence expires June 30, 2026
Blackwood Plumbing
(636) 359-5622Warrenton
InstallerLicence expires May 31, 2027
Bobs Plumbing Company
(636) 629-3979Saint Clair
InstallerLicence expires March 31, 2028
BPG Inspections
(800) 285-3001St. Louis
Soil evaluatorLicence expires September 30, 2028
Bradford Excavating
(636) 586-0076Hillsboro
InstallerLicence expires October 31, 2025
Brenda K. Rush
(636) 296-1211Dittmer
Soil evaluatorLicence expires April 30, 2027
Brian Unnerstall
(636) 660-0860Villa Ridge
InstallerLicence expires August 31, 2026
Brighthouse Plumbing
(636) 600-0188Fenton
InstallerLicence expires January 31, 2027
Brown Service Co
(314) 378-4088High Ridge
InstallerLicence expires December 31, 2028
Brown Tractor Service LLC
(314) 478-0343Bloomsdale
InstallerLicence expires May 31, 2028
Brute Force Hauling and Excavating LLC
(636) 900-3079Washington
InstallerLicence expires August 31, 2028
C & H Plumbing Company
(314) 494-8042St Louis
InstallerLicence expires May 31, 2026
C.Taylor Contracting LLC
(636) 584-9077Hermann
InstallerLicence expires March 31, 2028
Cavaness Contracting
(314) 972-2383Imperial
InstallerLicence expires January 31, 2027
Central Mesa Holdings LLC
(208) 867-5679Manchester
InstallerLicence expires October 31, 2026
Chad Queen Contracting Services, LLC
(314) 960-1699DeSoto
InstallerLicence expires April 30, 2028
Chapman Contracting
(636) 629-7854Saint Clair
InstallerLicence expires June 30, 2028
Chapman Contracting
(636) 629-7854St. Clair
Soil evaluatorLicence expires March 31, 2027
Chartette Creek Excavating LLC
(636) 390-3811Marthasville
InstallerLicence expires December 31, 2027
Chura Onsite Services LLC
(314) 603-4655High Ridge
Soil evaluatorLicence expires April 30, 2027
Commercial Drain & Sewer Cleaning Inc
(636) 282-1775Arnold
InstallerLicence expires February 28, 2028
Courtney Construction LLC
(417) 926-1479Mountain Grove
InstallerLicence expires January 31, 2027
CSO Environmental Services, Inc
(217) 522-4085Springfield
InstallerLicence expires March 31, 2027
Custom Power Excavating, Inc
(573) 774-7155Rosebud
InstallerLicence expires June 30, 2028
Dempsey Investment LLC
(636) 235-8181Jonesburg
InstallerLicence expires May 31, 2028
DJM Ecological Services Inc.
(314) 478-2388St. Louis
InstallerLicence expires January 31, 2028
Dobsch Construction LLC
(314) 520-6282Washington
InstallerLicence expires May 31, 2027
Double R Plumbing and Contracting
(573) 760-6768Potosi
InstallerLicence expires May 31, 2027
Drennen Excavating and Flat Work
(573) 210-1841
InstallerLicence expires May 31, 2027
E&J Siteworks LLC
(314) 225-8937Dittmer
InstallerLicence expires April 30, 2028
Earthworx Excavating & Bobcat Services, Inc
(314) 574-6305Villa Ridge
InstallerLicence expires June 30, 2026
Edward's Construction
(636) 390-4724Washington
InstallerLicence expires January 31, 2027
Elbert Earthworks
(636) 432-3508Berger
InstallerLicence expires December 31, 2027
Erbe Construction LLC
(636) 697-7787Silex
InstallerSoil evaluatorLicence expires December 31, 2026
Figler Excavating Inc
(573) 468-3434Sullivan
InstallerLicence expires September 30, 2027
Fleer Excavating
(636) 900-1772Hermann
InstallerLicence expires July 31, 2028
Flowmasters Plumbing LLC
(314) 733-0334Overland
InstallerLicence expires August 31, 2026
Gaines Soil Consulting
(636) 947-1221Worden
Soil evaluatorLicence expires March 31, 2026
Gerling Excavating & Const
(636) 357-8182Berger
InstallerLicence expires May 31, 2026
Girdner Contracting LLC
(636) 266-8788Villa Ridge
InstallerLicence expires May 31, 2026
Greater Missouri Homes LLC
(636) 667-2461Augusta
InstallerLicence expires May 31, 2026
H.S. Plumbing LLC
(314) 503-3416Troy
InstallerLicence expires June 30, 2026
Harwood Environmental Services
(314) 695-2364St. Louis
Soil evaluatorLicence expires March 31, 2026
Heartland Building Inspections
(573) 431-7197Farmington
Soil evaluatorLicence expires October 31, 2026
Hickinbotham realty
(636) 629-3419St Clair
InstallerLicence expires January 31, 2027
Home & Farm Soil Consulting
(573) 237-5081New Haven
Soil evaluatorLicence expires October 31, 2025
Hurt III Construction
(816) 390-7105st Joseph
InstallerLicence expires October 31, 2025
Ice Services LLC
(636) 841-8688Warner Robins
InstallerLicence expires January 31, 2028
Integrity Septic and Sewer LLC
(314) 280-6097Pacific
InstallerLicence expires May 31, 2028
Intelligent Plumbing Solutions
(314) 956-4977New Melle
InstallerLicence expires March 31, 2028
J Wyatt Contracting
(636) 274-1538Dittmer
InstallerLicence expires December 31, 2025
J-L Page Excavation
(573) 690-0326Rhineland
InstallerLicence expires June 30, 2027
J&B Ruessler Septic
(636) 544-0825Hillsboro
InstallerLicence expires February 28, 2027
J&M Excavating Services LLC
(636) 359-2200Hermann
InstallerLicence expires January 31, 2026
Jake's Backhoe and Construction
(573) 619-9703Hermann
InstallerSoil evaluatorLicence expires March 31, 2028
Jarvis Excavating LLC
(573) 259-3478Owensville
InstallerLicence expires September 30, 2027
Jay Rice Contracting
(636) 629-6565St. Clair
InstallerLicence expires March 31, 2028
JB Digs, LLC
(573) 366-5288Black
InstallerLicence expires May 31, 2028
JCTB Inspections
(636) 293-3710Eolia
Soil evaluatorLicence expires July 31, 2028
Jesse Kleinheider Contracting LLC
(636) 667-2878Washington
InstallerLicence expires February 28, 2026
JL Hicks Services, LLC
(636) 337-5870DeSoto
InstallerLicence expires July 31, 2027
Jody Schmidt Well & Sewer Service
(636) 262-1054New Melle
InstallerLicence expires January 31, 2026
John's Excavating & Contractor
(636) 274-4204Cedar Hill
InstallerLicence expires January 31, 2026
K&P Services LLC
(816) 854-9091Blue Springs
InstallerLicence expires August 31, 2028
Kaysinger Liquid Waste LLC
(573) 885-3341Cuba
InstallerLicence expires April 30, 2026
Kaysinger Liquid Waste LLC
(573) 885-3341Cuba
Soil evaluatorLicence expires March 31, 2027
KC Land & Lawn
(636) 359-5126Warrenton
InstallerLicence expires August 31, 2028
Kelpe Contracting Inc
(636) 458-1400Wildwood
InstallerLicence expires January 31, 2026
Klemme's Backhoe Service
(636) 398-6142Wentzville
InstallerLicence expires March 31, 2026
Kolb Grading LLC
(314) 524-7223St. Charles
InstallerLicence expires January 31, 2026
Land Co
(314) 713-7884High Ridge
InstallerLicence expires March 31, 2028
Larry's Landscaping
(314) 942-1029Barnhart
InstallerLicence expires January 31, 2026
LCG Legacy Contracting Group
(314) 677-0525Pacific
InstallerLicence expires September 30, 2027
LHS Hauling & Grading
(636) 297-7063Warrenton
InstallerLicence expires April 30, 2027
M Turpin Services LLC
(636) 262-6230Wright City
InstallerLicence expires February 28, 2026
Mathena Excavating
(573) 259-6049Washington
InstallerLicence expires December 31, 2027
Matt Girardier Excavating
(636) 399-5247St Clair
InstallerLicence expires April 30, 2028
Matt Girardier Excavating, LLC
(636) 399-5247St. Clair
Soil evaluatorLicence expires January 31, 2026
MC Plumbing & Excavating LLC
(636) 393-9382Labadie
InstallerLicence expires September 30, 2026
Merlo Plumbing, Co., Inc
(314) 843-1000St. Louis
InstallerLicence expires August 31, 2026
Meyerott Enterprises, LLC
(636) 485-1215St. Charles
InstallerLicence expires May 31, 2028
Missouri Property Inspections
(636) 528-1554Cottleville
Soil evaluatorLicence expires August 31, 2027
MMI Plumbing & Excavation
(573) 842-5168Waynesville
InstallerLicence expires October 31, 2026
Moore Works LLC
(314) 497-8542
InstallerLicence expires November 30, 2025
Mots Excavation LLC
(314) 974-5756Hillsboro
InstallerLicence expires November 30, 2028
Mr Rooter Plumbing LLC
(636) 629-9955Saint Clair
InstallerLicence expires June 30, 2028
NewShu Contracting LLC
(314) 578-0145Lonedell
InstallerLicence expires January 31, 2028
No Limits Excavating LLC
(314) 280-2868Villa Ridge
InstallerLicence expires May 31, 2027
NPI Missouri Inc (National Property Inspections)
(636) 940-1005St Charles
Soil evaluatorLicence expires June 30, 2028
Oberkramer Septic Solutions, LLC
(636) 495-9900High Ridge
InstallerLicence expires October 31, 2026
On-Site Soils
(888) 878-1461Chesterfield
Soil evaluatorLicence expires June 30, 2026
On-Site Soils
(314) 341-3888Chesterfield
Soil evaluatorLicence expires March 31, 2026
Outlaw Excavating LLC
(636) 232-3860DeSoto
InstallerLicence expires July 31, 2026
Parker Home Inspections LLC
(573) 263-5997Rolla
InstallerLicence expires September 30, 2026
Parker Home Inspections LLC
(573) 263-5997Rolla
Soil evaluatorLicence expires November 30, 2026
Parker Petroleum Sales & Service
(314) 401-5447Troy
InstallerLicence expires February 28, 2027
PJ Myers Hauling & Excavating, LLC
(573) 885-4403Cuba
InstallerLicence expires October 31, 2028
Pooles Septic System
(573) 631-5927Mineral Point
InstallerSoil evaluatorLicence expires July 31, 2026
Pro-Com Septic & Excavation LLC
(636) 222-8128Valles Mines
InstallerLicence expires March 31, 2028
Professional Onsite Installations
(636) 236-4760Hillsboro
InstallerLicence expires June 30, 2028
Protect Home Inspections
(314) 937-6909Washington
Soil evaluatorLicence expires April 30, 2028
PROtect Home Inspections
(314) 402-7352Washington
Soil evaluatorLicence expires August 31, 2028
Pruessner Contracting LLC
(636) 900-2728New Haven
InstallerLicence expires February 28, 2026
R E Signature Homes
(314) 808-7086Ste Genevieve
InstallerLicence expires April 30, 2028
Redline Junk Removal & Dumpster Rental
(573) 210-0966Cadet
Soil evaluatorLicence expires February 28, 2027
Reliable Septic & Portable Toilet
(573) 239-0280Hermann
InstallerLicence expires September 30, 2027
Rich Gullet & Sons
(636) 271-2327Pacific
InstallerLicence expires April 30, 2028
Sam's Home & Commercial Inspectors
(573) 202-6062Vichy
InstallerLicence expires August 31, 2028
Schlett Construction
(314) 302-6476Barnhart
InstallerLicence expires March 31, 2026
Select sewer Inspections
(636) 214-9079Florissant
Soil evaluatorLicence expires November 30, 2026
Septic Services, Inc.
(636) 583-5564Union
InstallerLicence expires January 31, 2026
Septic Solutions
(314) 216-1937House Springs
InstallerLicence expires September 30, 2028
Sewage Pump Solutions
(636) 331-5172DeSoto
InstallerSoil evaluatorLicence expires March 31, 2027
Show Me Soils
(636) 629-1788Lonedell
InstallerSoil evaluatorLicence expires April 30, 2026
Sk hardin construction
(636) 208-6533Desoto
InstallerLicence expires March 31, 2027
St.Louis Excavation
(314) 709-6219Saint Clair
InstallerLicence expires July 31, 2028
Starks Excavating LLC
(636) 359-5022Warrenton
InstallerLicence expires November 30, 2025
Steve Rogers
(573) 482-0812
InstallerLicence expires May 31, 2027
Strothkamp Excavating LLC
(314) 630-2184Sullivan
InstallerLicence expires May 31, 2028
Superier Heating & Cooling
(636) 926-0000Lake St. Louis
InstallerLicence expires January 31, 2026
Superior Sewer Co
(314) 931-4738St. Louis
InstallerLicence expires July 31, 2026
Superior Sewer Company
(314) 437-0522St. Louis
Soil evaluatorLicence expires February 28, 2026
T.G. Rankin Company, Inc.
(636) 532-4555Chesterfield
Soil evaluatorLicence expires July 31, 2028
Tim Bennett Plmbing, LLC
(636) 296-4994Imperial
InstallerLicence expires March 31, 2026
TJ Riley Contracting
(573) 482-0032Bonne Terre
InstallerLicence expires July 31, 2026
True Form Contracting
(314) 803-0426Robertsville
InstallerLicence expires April 29, 2027
Turnbull Contracting, LLC
(573) 324-6922Bowling Green
InstallerLicence expires March 31, 2028
Unnerstall Contracting Co., Ltd
(636) 257-3003Pacific
InstallerLicence expires February 28, 2026
Valle Land Development, LLC
(314) 965-3400Valles Mines
InstallerLicence expires March 31, 2028
Volz Incorporated
(314) 890-1264Saint Louis
InstallerLicence expires December 31, 2026
Wagner Tree Trimming & Trenching
(636) 629-1842Lonedell
InstallerLicence expires March 31, 2026
Weber Construction LLC
(636) 584-0283Union
InstallerLicence expires July 31, 2026
Wiese property improvements
(573) 569-2060Sullivan
InstallerLicence expires March 31, 2027
Wiggs Plumbing LLC
(314) 299-2216
InstallerLicence expires September 30, 2026
William E Courtway/Redline Junk Removal & Dumpster
(573) 210-0966Cadet
InstallerLicence expires December 31, 2026
William H. Bond Engineering
(573) 483-2175Ste. Genevieve
InstallerSoil evaluatorLicence expires March 31, 2026
WM Mueller Trenching and Excavating
(636) 980-7757St. Charles
InstallerLicence expires May 31, 2028
X-L Contracting
(314) 280-1248Saint Peters
InstallerLicence expires October 31, 2026

Licensed septic companies in Franklin County
Company	Licensed for	Phone	Licence expires
3T Plumbing LLCRosebud	Installer	(573) 291-5120	January 31, 2026
A & B Plumbing & Heating, Inc.Park Hills	Installer	(573) 431-7556	February 28, 2026
A R C Grading, LLCMoscow Mills	Installer	(636) 290-5419	November 30, 2025
Aa Quick Plumbing & Sewer Service of Jefferson County, Inc.Dittmer	Installer	(636) 296-1211	March 31, 2026
AA Quick Sewer ServiceDittmer	Installer	(636) 296-1211	February 29, 2028
Accurate Septic & Well InspectionsSt Charles	Soil evaluator	(636) 262-1303	August 31, 2028
Accuro Services,LLCWentzville	Installer	(314) 363-4793	December 31, 2027
Affordable Plumbing LLCHermann	Installer	(314) 971-3063	January 31, 2028
Appraisal & Building Solutions LLCSt James	Installer	(573) 241-8273	July 31, 2026
B Green Plumbing & Drain Cleaning LLCWarrenton	Installer	(314) 604-5000	June 30, 2026
Backhoe Services UnlimitedVilla Ridge	Installer	(636) 234-4790	March 31, 2027
Ballmann EarthworksAugusta	Installer	(636) 236-4242	March 31, 2028
Baner ExcavationHillsboro	Installer	(314) 258-5544	February 28, 2027
Bauche Contracting LLCWashington	Installer	(636) 369-1474	April 30, 2027
BDG Contracting IncSt. Louis	Installer	(314) 478-2388	January 31, 2028
Benchmark Excavating LLCForistell	Installer	(636) 734-5198	July 31, 2026
Big D Pipe LLCSt Charles	Installer	(636) 399-7495	May 31, 2028
Bigley ConstructionUnion	Installer	(636) 583-7854	July 31, 2026
Bill Martin Construction LLCEureka	Installer	(636) 271-2653	May 31, 2026
Bill Williams ConstructionCedar Hill	Installer	(636) 274-2641	June 30, 2026
Blackwood PlumbingWarrenton	Installer	(636) 359-5622	May 31, 2027
Bobs Plumbing CompanySaint Clair	Installer	(636) 629-3979	March 31, 2028
BPG InspectionsSt. Louis	Soil evaluator	(800) 285-3001	September 30, 2028
Bradford ExcavatingHillsboro	Installer	(636) 586-0076	October 31, 2025
Brenda K. RushDittmer	Soil evaluator	(636) 296-1211	April 30, 2027
Brian UnnerstallVilla Ridge	Installer	(636) 660-0860	August 31, 2026
Brighthouse PlumbingFenton	Installer	(636) 600-0188	January 31, 2027
Brown Service CoHigh Ridge	Installer	(314) 378-4088	December 31, 2028
Brown Tractor Service LLCBloomsdale	Installer	(314) 478-0343	May 31, 2028
Brute Force Hauling and Excavating LLCWashington	Installer	(636) 900-3079	August 31, 2028
C & H Plumbing CompanySt Louis	Installer	(314) 494-8042	May 31, 2026
C.Taylor Contracting LLCHermann	Installer	(636) 584-9077	March 31, 2028
Cavaness ContractingImperial	Installer	(314) 972-2383	January 31, 2027
Central Mesa Holdings LLCManchester	Installer	(208) 867-5679	October 31, 2026
Chad Queen Contracting Services, LLCDeSoto	Installer	(314) 960-1699	April 30, 2028
Chapman ContractingSaint Clair	Installer	(636) 629-7854	June 30, 2028
Chapman ContractingSt. Clair	Soil evaluator	(636) 629-7854	March 31, 2027
Chartette Creek Excavating LLCMarthasville	Installer	(636) 390-3811	December 31, 2027
Chura Onsite Services LLCHigh Ridge	Soil evaluator	(314) 603-4655	April 30, 2027
Commercial Drain & Sewer Cleaning IncArnold	Installer	(636) 282-1775	February 28, 2028
Courtney Construction LLCMountain Grove	Installer	(417) 926-1479	January 31, 2027
CSO Environmental Services, IncSpringfield	Installer	(217) 522-4085	March 31, 2027
Custom Power Excavating, IncRosebud	Installer	(573) 774-7155	June 30, 2028
Dempsey Investment LLCJonesburg	Installer	(636) 235-8181	May 31, 2028
DJM Ecological Services Inc.St. Louis	Installer	(314) 478-2388	January 31, 2028
Dobsch Construction LLCWashington	Installer	(314) 520-6282	May 31, 2027
Double R Plumbing and ContractingPotosi	Installer	(573) 760-6768	May 31, 2027
Drennen Excavating and Flat Work	Installer	(573) 210-1841	May 31, 2027
E&J Siteworks LLCDittmer	Installer	(314) 225-8937	April 30, 2028
Earthworx Excavating & Bobcat Services, IncVilla Ridge	Installer	(314) 574-6305	June 30, 2026
Edward's ConstructionWashington	Installer	(636) 390-4724	January 31, 2027
Elbert EarthworksBerger	Installer	(636) 432-3508	December 31, 2027
Erbe Construction LLCSilex	InstallerSoil evaluator	(636) 697-7787	December 31, 2026
Figler Excavating IncSullivan	Installer	(573) 468-3434	September 30, 2027
Fleer ExcavatingHermann	Installer	(636) 900-1772	July 31, 2028
Flowmasters Plumbing LLCOverland	Installer	(314) 733-0334	August 31, 2026
Gaines Soil ConsultingWorden	Soil evaluator	(636) 947-1221	March 31, 2026
Gerling Excavating & ConstBerger	Installer	(636) 357-8182	May 31, 2026
Girdner Contracting LLCVilla Ridge	Installer	(636) 266-8788	May 31, 2026
Greater Missouri Homes LLCAugusta	Installer	(636) 667-2461	May 31, 2026
H.S. Plumbing LLCTroy	Installer	(314) 503-3416	June 30, 2026
Harwood Environmental ServicesSt. Louis	Soil evaluator	(314) 695-2364	March 31, 2026
Heartland Building InspectionsFarmington	Soil evaluator	(573) 431-7197	October 31, 2026
Hickinbotham realtySt Clair	Installer	(636) 629-3419	January 31, 2027
Home & Farm Soil ConsultingNew Haven	Soil evaluator	(573) 237-5081	October 31, 2025
Hurt III Constructionst Joseph	Installer	(816) 390-7105	October 31, 2025
Ice Services LLCWarner Robins	Installer	(636) 841-8688	January 31, 2028
Integrity Septic and Sewer LLCPacific	Installer	(314) 280-6097	May 31, 2028
Intelligent Plumbing SolutionsNew Melle	Installer	(314) 956-4977	March 31, 2028
J Wyatt ContractingDittmer	Installer	(636) 274-1538	December 31, 2025
J-L Page ExcavationRhineland	Installer	(573) 690-0326	June 30, 2027
J&B Ruessler SepticHillsboro	Installer	(636) 544-0825	February 28, 2027
J&M Excavating Services LLCHermann	Installer	(636) 359-2200	January 31, 2026
Jake's Backhoe and ConstructionHermann	InstallerSoil evaluator	(573) 619-9703	March 31, 2028
Jarvis Excavating LLCOwensville	Installer	(573) 259-3478	September 30, 2027
Jay Rice ContractingSt. Clair	Installer	(636) 629-6565	March 31, 2028
JB Digs, LLCBlack	Installer	(573) 366-5288	May 31, 2028
JCTB InspectionsEolia	Soil evaluator	(636) 293-3710	July 31, 2028
Jesse Kleinheider Contracting LLCWashington	Installer	(636) 667-2878	February 28, 2026
JL Hicks Services, LLCDeSoto	Installer	(636) 337-5870	July 31, 2027
Jody Schmidt Well & Sewer ServiceNew Melle	Installer	(636) 262-1054	January 31, 2026
John's Excavating & ContractorCedar Hill	Installer	(636) 274-4204	January 31, 2026
K&P Services LLCBlue Springs	Installer	(816) 854-9091	August 31, 2028
Kaysinger Liquid Waste LLCCuba	Installer	(573) 885-3341	April 30, 2026
Kaysinger Liquid Waste LLCCuba	Soil evaluator	(573) 885-3341	March 31, 2027
KC Land & LawnWarrenton	Installer	(636) 359-5126	August 31, 2028
Kelpe Contracting IncWildwood	Installer	(636) 458-1400	January 31, 2026
Klemme's Backhoe ServiceWentzville	Installer	(636) 398-6142	March 31, 2026
Kolb Grading LLCSt. Charles	Installer	(314) 524-7223	January 31, 2026
Land CoHigh Ridge	Installer	(314) 713-7884	March 31, 2028
Larry's LandscapingBarnhart	Installer	(314) 942-1029	January 31, 2026
LCG Legacy Contracting GroupPacific	Installer	(314) 677-0525	September 30, 2027
LHS Hauling & GradingWarrenton	Installer	(636) 297-7063	April 30, 2027
M Turpin Services LLCWright City	Installer	(636) 262-6230	February 28, 2026
Mathena ExcavatingWashington	Installer	(573) 259-6049	December 31, 2027
Matt Girardier ExcavatingSt Clair	Installer	(636) 399-5247	April 30, 2028
Matt Girardier Excavating, LLCSt. Clair	Soil evaluator	(636) 399-5247	January 31, 2026
MC Plumbing & Excavating LLCLabadie	Installer	(636) 393-9382	September 30, 2026
Merlo Plumbing, Co., IncSt. Louis	Installer	(314) 843-1000	August 31, 2026
Meyerott Enterprises, LLCSt. Charles	Installer	(636) 485-1215	May 31, 2028
Missouri Property InspectionsCottleville	Soil evaluator	(636) 528-1554	August 31, 2027
MMI Plumbing & ExcavationWaynesville	Installer	(573) 842-5168	October 31, 2026
Moore Works LLC	Installer	(314) 497-8542	November 30, 2025
Mots Excavation LLCHillsboro	Installer	(314) 974-5756	November 30, 2028
Mr Rooter Plumbing LLCSaint Clair	Installer	(636) 629-9955	June 30, 2028
NewShu Contracting LLCLonedell	Installer	(314) 578-0145	January 31, 2028
No Limits Excavating LLCVilla Ridge	Installer	(314) 280-2868	May 31, 2027
NPI Missouri Inc (National Property Inspections)St Charles	Soil evaluator	(636) 940-1005	June 30, 2028
Oberkramer Septic Solutions, LLCHigh Ridge	Installer	(636) 495-9900	October 31, 2026
On-Site SoilsChesterfield	Soil evaluator	(888) 878-1461	June 30, 2026
On-Site SoilsChesterfield	Soil evaluator	(314) 341-3888	March 31, 2026
Outlaw Excavating LLCDeSoto	Installer	(636) 232-3860	July 31, 2026
Parker Home Inspections LLCRolla	Installer	(573) 263-5997	September 30, 2026
Parker Home Inspections LLCRolla	Soil evaluator	(573) 263-5997	November 30, 2026
Parker Petroleum Sales & ServiceTroy	Installer	(314) 401-5447	February 28, 2027
PJ Myers Hauling & Excavating, LLCCuba	Installer	(573) 885-4403	October 31, 2028
Pooles Septic SystemMineral Point	InstallerSoil evaluator	(573) 631-5927	July 31, 2026
Pro-Com Septic & Excavation LLCValles Mines	Installer	(636) 222-8128	March 31, 2028
Professional Onsite InstallationsHillsboro	Installer	(636) 236-4760	June 30, 2028
Protect Home InspectionsWashington	Soil evaluator	(314) 937-6909	April 30, 2028
PROtect Home InspectionsWashington	Soil evaluator	(314) 402-7352	August 31, 2028
Pruessner Contracting LLCNew Haven	Installer	(636) 900-2728	February 28, 2026
R E Signature HomesSte Genevieve	Installer	(314) 808-7086	April 30, 2028
Redline Junk Removal & Dumpster RentalCadet	Soil evaluator	(573) 210-0966	February 28, 2027
Reliable Septic & Portable ToiletHermann	Installer	(573) 239-0280	September 30, 2027
Rich Gullet & SonsPacific	Installer	(636) 271-2327	April 30, 2028
Sam's Home & Commercial InspectorsVichy	Installer	(573) 202-6062	August 31, 2028
Schlett ConstructionBarnhart	Installer	(314) 302-6476	March 31, 2026
Select sewer InspectionsFlorissant	Soil evaluator	(636) 214-9079	November 30, 2026
Septic Services, Inc.Union	Installer	(636) 583-5564	January 31, 2026
Septic SolutionsHouse Springs	Installer	(314) 216-1937	September 30, 2028
Sewage Pump SolutionsDeSoto	InstallerSoil evaluator	(636) 331-5172	March 31, 2027
Show Me SoilsLonedell	InstallerSoil evaluator	(636) 629-1788	April 30, 2026
Sk hardin constructionDesoto	Installer	(636) 208-6533	March 31, 2027
St.Louis ExcavationSaint Clair	Installer	(314) 709-6219	July 31, 2028
Starks Excavating LLCWarrenton	Installer	(636) 359-5022	November 30, 2025
Steve Rogers	Installer	(573) 482-0812	May 31, 2027
Strothkamp Excavating LLCSullivan	Installer	(314) 630-2184	May 31, 2028
Superier Heating & CoolingLake St. Louis	Installer	(636) 926-0000	January 31, 2026
Superior Sewer CoSt. Louis	Installer	(314) 931-4738	July 31, 2026
Superior Sewer CompanySt. Louis	Soil evaluator	(314) 437-0522	February 28, 2026
T.G. Rankin Company, Inc.Chesterfield	Soil evaluator	(636) 532-4555	July 31, 2028
Tim Bennett Plmbing, LLCImperial	Installer	(636) 296-4994	March 31, 2026
TJ Riley ContractingBonne Terre	Installer	(573) 482-0032	July 31, 2026
True Form ContractingRobertsville	Installer	(314) 803-0426	April 29, 2027
Turnbull Contracting, LLCBowling Green	Installer	(573) 324-6922	March 31, 2028
Unnerstall Contracting Co., LtdPacific	Installer	(636) 257-3003	February 28, 2026
Valle Land Development, LLCValles Mines	Installer	(314) 965-3400	March 31, 2028
Volz IncorporatedSaint Louis	Installer	(314) 890-1264	December 31, 2026
Wagner Tree Trimming & TrenchingLonedell	Installer	(636) 629-1842	March 31, 2026
Weber Construction LLCUnion	Installer	(636) 584-0283	July 31, 2026
Wiese property improvementsSullivan	Installer	(573) 569-2060	March 31, 2027
Wiggs Plumbing LLC	Installer	(314) 299-2216	September 30, 2026
William E Courtway/Redline Junk Removal & DumpsterCadet	Installer	(573) 210-0966	December 31, 2026
William H. Bond EngineeringSte. Genevieve	InstallerSoil evaluator	(573) 483-2175	March 31, 2026
WM Mueller Trenching and ExcavatingSt. Charles	Installer	(636) 980-7757	May 31, 2028
X-L ContractingSaint Peters	Installer	(314) 280-1248	October 31, 2026

Individually licensed onsite professionals in Franklin County

Missouri licenses people as well as companies. These are the named professionals the state has licensed, listed with the licence they hold and when it expires. They are usually employed by one of the businesses above.

Licensed onsite professionals in Franklin County
Name	Licence	City	Expires
Adam Brott	Onsite Soil EvaluatorNo. 51204	St. Clair	August 31, 2026
Adam Dobsch	Basic InstallerNo. 39136	Washington	May 31, 2027
Adam Horstmann	Basic InstallerNo. 39142	Villa Ridge	May 31, 2027
Andrew Erbe	Advanced InstallerNo. 39010	Silex	December 31, 2026
Andrew Noack	Basic InstallerNo. 39019	—	December 31, 2026
Andy Zalmanoff	Basic InstallerNo. 37974	Troy	February 28, 2027
Anthony (Tony) Barry	Advanced InstallerNo. 32033	Park Hills	February 28, 2026
Anthony Schlett	Advanced InstallerNo. 30545	Barnhart	March 31, 2026
Beau Duffy	Basic InstallerNo. 38376	St Charles	May 31, 2028
Bill Martin	Advanced InstallerNo. 30985	Eureka	May 31, 2026
Bobby Dodson	Advanced InstallerNo. 39137	Warrenton	May 31, 2027
Brad Pierce	Advanced InstallerNo. 32250	Saint Clair	June 30, 2028
Bradley Oberkramer	Basic InstallerNo. 38944	High Ridge	October 31, 2026
Brenda Rush	Advanced InstallerNo. 32003	Dittmer	March 31, 2026
Brenden Murphy	Advanced InstallerNo. 36886	Lonedell	June 30, 2027
Brenden Murphy	Onsite Soil EvaluatorNo. 50978	St. Clair	March 31, 2028
Brett Klimaszewski	Advanced InstallerNo. 38234	St. Louis	January 31, 2028
Brian Unnerstall	Basic InstallerNo. 31426	Villa Ridge	August 31, 2026
Brian VanCardo	Basic InstallerNo. 37514	St. Charles	January 31, 2026
Brock Groppe	Advanced InstallerNo. 39349	Hermann	January 31, 2028
Bryan Gerling	Advanced InstallerNo. 31649	Berger	May 31, 2026
Calvin Hinton	Basic InstallerNo. 34746	St Louis	May 31, 2026
Chad Queen	Advanced InstallerNo. 31214	DeSoto	April 30, 2028
Chris Parker	Advanced InstallerNo. 37814	Troy	June 30, 2026
Christopher Dempsey	Basic InstallerNo. 39417	Jonesburg	May 31, 2028
Clayton Wood	Basic InstallerNo. 38827	St. Louis	July 31, 2026
Dale Howard	Advanced InstallerNo. 36774	Sunset Hills	July 31, 2026
Dalton Pope	Advanced InstallerNo. 39508	Washington	August 31, 2028
Dave Wiggs	Basic InstallerNo. 38899	—	September 30, 2026
David Meyers	Advanced InstallerNo. 37819	Warrenton	June 30, 2026
David Weber	Advanced InstallerNo. 37126	Union	July 31, 2026
Denis St John	Basic InstallerNo. 32240	Saint Peters	October 31, 2026
Douglas Bauer	Advanced InstallerNo. 38233	St. Louis	January 31, 2028
Dustin Starks	Basic InstallerNo. 38526	Warrenton	November 30, 2025
Ed Gross	Advanced InstallerNo. 31976	Washington	May 31, 2028
Edward Bradford	Advanced InstallerNo. 30935	Hillsboro	October 31, 2025
Elias McDonald	Advanced InstallerNo. 39311	Marthasville	December 31, 2027
Eric Ankelman	Basic InstallerNo. 38868	—	March 31, 2027
Ethan Ford	Advanced InstallerNo. 39450	—	July 31, 2028
Evelyn Mann	Onsite Soil EvaluatorNo. 10111	Chesterfield	June 30, 2026
Frank Page	Advanced InstallerNo. 35008	Rhineland	June 30, 2027
Grant Wehmeyer	Advanced InstallerNo. 38186	Pacific	September 30, 2027
Gregg Gross	Advanced InstallerNo. 35706	Washington	January 31, 2027
James (Jim) Bigley	Advanced InstallerNo. 31237	Union	July 31, 2026
James Boyer	Advanced InstallerNo. 30498	Pacific	May 31, 2028
James Brown	Advanced InstallerNo. 30037	High Ridge	December 31, 2028
James Hicks	Advanced InstallerNo. 37361	DeSoto	July 31, 2027
James Pruessner	Advanced InstallerNo. 37790	New Haven	February 28, 2026
Jane Chouteau	Basic InstallerNo. 39374	Valles Mines	March 31, 2028
Jared Cunningham	Advanced InstallerNo. 36008	Owensville	September 30, 2027
Jason Lammert	Advanced InstallerNo. 38330	Dittmer	April 30, 2028
Jason Ratliff	Onsite Soil EvaluatorNo. 51053	St. Louis	September 30, 2028
Jason Ruessler	Basic InstallerNo. 37965	Hillsboro	February 28, 2027
Jayson Sepe	Advanced InstallerNo. 36286	Villa Ridge	June 30, 2026
Jeffrey Chilcutt	Advanced InstallerNo. 36003	Moscow Mills	November 30, 2025
Jesse Kleinheider	Advanced InstallerNo. 37791	Washington	February 28, 2026
Jesse Wisdom	Basic InstallerNo. 38977	Fenton	January 31, 2027
John Chapman Jr	Onsite Soil EvaluatorNo. 50973	St. Clair	March 31, 2027
John Kriegesmann	Advanced InstallerNo. 31644	Cedar Hill	January 31, 2026
John Williams	Advanced InstallerNo. 37837	Cedar Hill	June 30, 2026
Jonathon Steward	Onsite Soil EvaluatorNo. 51462	Hillsboro	February 29, 2028
Justin Weber	Advanced InstallerNo. 30262	Hermann	May 31, 2028
Justin Weber	Onsite Soil EvaluatorNo. 50988	Hermann	March 31, 2028
Kaleb Motsinger	Basic InstallerNo. 39593	Hillsboro	November 30, 2028
Keith Pelton	Advanced InstallerNo. 35522	Saint Clair	September 30, 2028
Kelley Durbin	Onsite Soil EvaluatorNo. 50013	Cuba	March 31, 2027
Kenneth Merlo	Basic InstallerNo. 32301	St. Louis	August 31, 2026
Kristin Bright	Advanced InstallerNo. 37818	Warrenton	June 30, 2026
Lance Goodman	Advanced InstallerNo. 39532	House Springs	September 30, 2028
Larry Giger	Advanced InstallerNo. 31259	Barnhart	January 31, 2026
Louie Schaper	Advanced InstallerNo. 30884	Warrenton	April 30, 2027
Louis Mezei	Basic InstallerNo. 38776	Augusta	May 31, 2026
Luke Robinson	Basic InstallerNo. 38948	—	October 31, 2026
Matt Rousseau	Onsite Soil EvaluatorNo. 10055	Chesterfield	July 31, 2028
Matthew Girardier	Onsite Soil EvaluatorNo. 50641	St. Clair	January 31, 2026
Michael Jackson II	Advanced InstallerNo. 37247	Overland	August 31, 2026
Michael Petzold	Basic InstallerNo. 38412	Saint Clair	July 31, 2028
Nicholas Moore	Basic InstallerNo. 38536	—	November 30, 2025
Nick Leesmann	Basic InstallerNo. 38703	Wentzville	March 31, 2026
Noah Boyer	Advanced InstallerNo. 39097	Robertsville	April 29, 2027
Randall Gullet	Advanced InstallerNo. 31145	Pacific	April 30, 2028
Randy Edmond	Basic InstallerNo. 30724	Ste Genevieve	April 30, 2028
Richard Mathena	Basic InstallerNo. 39284	Washington	December 31, 2027
Rick Starks	Advanced InstallerNo. 30092	Warrenton	November 30, 2025
Rick Wilcockson	Onsite Soil EvaluatorNo. 50071	St Charles	August 31, 2028
Robert Gould, Jr.	Onsite Soil EvaluatorNo. 50581	St Charles	June 30, 2028
Robert Harrison	Basic InstallerNo. 39377	Valles Mines	March 31, 2028
Robert Mahoney	Basic InstallerNo. 38278	Arnold	February 28, 2028
Robert Mahoney	Advanced InstallerNo. 31079	Arnold	August 31, 2028
Robert Pelton	Advanced InstallerNo. 30540	St. Clair	March 31, 2028
Roy Brown	Advanced InstallerNo. 30402	Bloomsdale	May 31, 2028
Steve Burt	Advanced InstallerNo. 39398	New Melle	March 31, 2028
Steven Hardin	Advanced InstallerNo. 39079	Desoto	March 31, 2027
Steven Kruep	Advanced InstallerNo. 31147	Hillsboro	June 30, 2028
Teddy Arview	Basic InstallerNo. 38556	Lake St. Louis	January 31, 2026
Thomas Chura	Onsite Soil EvaluatorNo. 50010	High Ridge	April 30, 2027
Thomas Kelpe	Advanced InstallerNo. 32263	Wildwood	January 31, 2026
Tim Baner	Advanced InstallerNo. 30489	Hillsboro	February 28, 2027
Tim Bennett	Advanced InstallerNo. 30495	Imperial	March 31, 2026
Timothy Riechers	Basic InstallerNo. 39387	Augusta	March 31, 2028
Vincent Mueller	Advanced InstallerNo. 38369	St. Charles	May 31, 2028
William Courtway	Advanced InstallerNo. 39030	Cadet	December 31, 2026
William Courtway	Onsite Soil EvaluatorNo. 51418	Cadet	February 28, 2027
William Elbert	Basic InstallerNo. 39274	Berger	December 31, 2027
Zack Rush	Advanced InstallerNo. 35231	Dittmer	February 29, 2028

Who handles septic permits in Franklin 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 →

Towns in Franklin County

Where in the county each licensed business is based.

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 Franklin 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.