Licensed septic companies in Jefferson County, Missouri
159 businesses on Missouri’s septic licensing records give Jefferson County as its address, alongside 41 individually licensed onsite professionals.
Licensed businesses based in Jefferson County
- 7 Oaks Home Inspections(636) 456-0001WarrenSoil evaluatorLicence expires November 30, 2026
- A & B Plumbing & Heating, Inc.(573) 431-7556Park HillsInstallerLicence expires February 28, 2026
- A & M Septic and Excavating(636) 262-9100ForistellInstallerLicence expires August 31, 2026
- Aa Quick Plumbing & Sewer Service of Jefferson County, Inc.(636) 296-1211DittmerInstallerLicence expires March 31, 2026
- AA Quick Sewer Service(636) 296-1211DittmerInstallerLicence expires February 29, 2028
- Accurate Septic & Well Inspections(636) 262-1303St CharlesSoil evaluatorLicence expires August 31, 2028
- Accuro Services,LLC(314) 363-4793WentzvilleInstallerLicence expires December 31, 2027
- All Weather Sewer Service, Inc.(636) 797-2345DesotoInstallerSoil evaluatorLicence expires November 30, 2025
- ASKR Construction, LLC(314) 422-9326Bonne TerreInstallerLicence expires February 28, 2026
- Authority Plumbing and Drain(314) 220-6519WarrentonInstallerLicence expires May 31, 2027
- B Green Plumbing & Drain Cleaning LLC(314) 604-5000WarrentonInstallerLicence expires June 30, 2026
- Backhoe Services Unlimited(636) 234-4790Villa RidgeInstallerLicence expires March 31, 2027
- Baner Excavation(314) 258-5544HillsboroInstallerLicence expires February 28, 2027
- BDG Contracting Inc(314) 478-2388St. LouisInstallerLicence expires January 31, 2028
- Benchmark Excavating LLC(636) 734-5198ForistellInstallerLicence expires July 31, 2026
- Bi-State Utilities Co.(314) 209-0202St. CharlesInstallerLicence expires August 31, 2028
- Bigley Construction(636) 583-7854UnionInstallerLicence expires July 31, 2026
- Bill Martin Construction LLC(636) 271-2653EurekaInstallerLicence expires May 31, 2026
- Bill Williams Construction(636) 274-2641Cedar HillInstallerLicence expires June 30, 2026
- Blackwood Plumbing(636) 359-5622WarrentonInstallerLicence expires May 31, 2027
- Bloomsdale Excavating Company, Inc(573) 483-2564BloomsdaleInstallerLicence expires August 31, 2026
- Boren Contracting LLC(573) 330-3028Bonne TerreInstallerLicence expires November 30, 2025
- Boren Contracting LLC(573) 330-3028Bonne TerreSoil evaluatorLicence expires February 28, 2026
- BPG Inspections(800) 285-3001St. LouisSoil evaluatorLicence expires September 30, 2028
- Bradford Excavating(636) 586-0076HillsboroInstallerLicence expires October 31, 2025
- Brenda K. Rush(636) 296-1211DittmerSoil evaluatorLicence expires April 30, 2027
- Brian Unnerstall(636) 660-0860Villa RidgeInstallerLicence expires August 31, 2026
- Brighthouse Plumbing(636) 600-0188FentonInstallerLicence expires January 31, 2027
- Brown Service Co(314) 378-4088High RidgeInstallerLicence expires December 31, 2028
- C & H Plumbing Company(314) 494-8042St LouisInstallerLicence expires May 31, 2026
- C.Taylor Contracting LLC(636) 584-9077HermannInstallerLicence expires March 31, 2028
- C&H Septic Service's(660) 263-7901MoberlyInstallerLicence expires July 31, 2026
- Cavaness Contracting(314) 972-2383ImperialInstallerLicence expires January 31, 2027
- Chad Queen Contracting Services, LLC(314) 960-1699DeSotoInstallerLicence expires April 30, 2028
- Chapman Contracting(636) 629-7854Saint ClairInstallerLicence expires June 30, 2028
- Chapman Contracting(636) 629-7854St. ClairSoil evaluatorLicence expires March 31, 2027
- Chartette Creek Excavating LLC(636) 390-3811MarthasvilleInstallerLicence expires December 31, 2027
- Chura Onsite Services LLC(314) 603-4655High RidgeSoil evaluatorLicence expires April 30, 2027
- CJC Concrete(573) 854-0130CadetInstallerLicence expires December 31, 2026
- Clog Boss Drains and Septic(573) 482-0032Bonne TerreInstallerLicence expires July 31, 2026
- Commercial Drain & Sewer Cleaning Inc(636) 282-1775ArnoldInstallerLicence expires February 28, 2028
- Courtney Construction LLC(417) 926-1479Mountain GroveInstallerLicence expires January 31, 2027
- CSO Environmental Services, Inc(217) 522-4085SpringfieldInstallerLicence expires March 31, 2027
- Dean Robinson Excavating Inc(636) 937-5586FestusInstallerLicence expires December 31, 2028
- Dempsey Investment LLC(636) 235-8181JonesburgInstallerLicence expires May 31, 2028
- Detring Septic Solutions(573) 760-3993FarmingtonSoil evaluatorLicence expires February 28, 2026
- Detring Septic Solutions LLC(573) 760-3993Park HillsInstallerLicence expires November 30, 2025
- DJM Ecological Services Inc.(314) 478-2388St. LouisInstallerLicence expires January 31, 2028
- Double R Plumbing and Contracting(573) 760-6768PotosiInstallerLicence expires May 31, 2027
- Drennen Excavating and Flat WorkInstallerLicence expires May 31, 2027
- E&J Siteworks LLC(314) 225-8937DittmerInstallerLicence expires April 30, 2028
- Earthworx Excavating & Bobcat Services, Inc(314) 574-6305Villa RidgeInstallerLicence expires June 30, 2026
- Edward's Construction(636) 390-4724WashingtonInstallerLicence expires January 31, 2027
- Enterprise Sewer & Drain(314) 503-8645St. LouisInstallerLicence expires March 31, 2028
- Flowmasters Plumbing LLC(314) 733-0334OverlandInstallerLicence expires August 31, 2026
- G&S Hardin Excavation LLC(636) 208-4209DeSotoInstallerLicence expires March 31, 2027
- Gansner Excavating & Grading LLC(314) 226-3025FestusInstallerLicence expires May 31, 2028
- Girdner Contracting LLC(636) 266-8788Villa RidgeInstallerLicence expires May 31, 2026
- Grease Masters(636) 916-3115St. CharlesInstallerLicence expires November 30, 2026
- Greater Missouri Homes LLC(636) 667-2461AugustaInstallerLicence expires May 31, 2026
- H.S. Plumbing LLC(314) 503-3416TroyInstallerLicence expires June 30, 2026
- Harwood Environmental Services(314) 695-2364St. LouisSoil evaluatorLicence expires March 31, 2026
- Heartland Building Inspections(573) 431-7197FarmingtonSoil evaluatorLicence expires October 31, 2026
- Hensley Excavating(314) 713-9783PevelyInstallerLicence expires February 28, 2026
- Home & Farm Soil Consulting(573) 237-5081New HavenSoil evaluatorLicence expires October 31, 2025
- Hudson Plumbing LLC(314) 435-0945HillsboroInstallerLicence expires August 31, 2026
- Ice Services LLC(636) 841-8688Warner RobinsInstallerLicence expires January 31, 2028
- Integrated Facility Services(314) 208-1760FentonInstallerLicence expires August 31, 2028
- Integrity Septic and Sewer LLC(314) 280-6097PacificInstallerLicence expires May 31, 2028
- J Wyatt Contracting(636) 274-1538DittmerInstallerLicence expires December 31, 2025
- J&B Ruessler Septic(636) 544-0825HillsboroInstallerLicence expires February 28, 2027
- Jarvis Plumbing(573) 438-2995PotosiInstallerLicence expires September 30, 2026
- Jeff Roderfeld Const. LLC(636) 459-1706St. CharlesInstallerLicence expires July 30, 2028
- John's Excavating & Contractor(636) 274-4204Cedar HillInstallerLicence expires January 31, 2026
- Jones Plumbing Service(636) 586-3799De SotoInstallerLicence expires February 28, 2026
- Joseph R Stabenow(636) 524-5522FestusInstallerLicence expires May 31, 2027
- K&P Services LLC(816) 854-9091Blue SpringsInstallerLicence expires August 31, 2028
- Kaysinger Liquid Waste LLC(573) 885-3341CubaSoil evaluatorLicence expires March 31, 2027
- KCJW Enterprises LLC(573) 747-5323FarmingtonInstallerLicence expires July 31, 2027
- Kelpe Contracting Inc(636) 458-1400WildwoodInstallerLicence expires January 31, 2026
- Kendall G Nakato(417) 988-3394HighlandvilleSoil evaluatorLicence expires June 30, 2026
- Kolb Grading LLC(314) 524-7223St. CharlesInstallerLicence expires January 31, 2026
- Kuchar Trucking & Grading Inc.(314) 795-7848HillsboroInstallerLicence expires December 31, 2027
- Land Co(314) 713-7884High RidgeInstallerLicence expires March 31, 2028
- Larry's Landscaping(314) 942-1029BarnhartInstallerLicence expires January 31, 2026
- LCG Legacy Contracting Group(314) 677-0525PacificInstallerLicence expires September 30, 2027
- Lewis Plumbing llc.(636) 524-3500HillsboroInstallerLicence expires July 31, 2028
- M Turpin Services LLC(636) 262-6230Wright CityInstallerLicence expires February 28, 2026
- M.D. Casey, LLC(314) 440-4695FestusInstallerLicence expires January 31, 2026
- Madonna's Septic & Sewer Solutions(314) 486-8241HillsboroInstallerSoil evaluatorLicence expires November 30, 2025
- Masters Excavating LLC(314) 650-4323De SotoInstallerLicence expires March 31, 2026
- Matt Girardier Excavating(636) 399-5247St ClairInstallerLicence expires April 30, 2028
- Matt Girardier Excavating, LLC(636) 399-5247St. ClairSoil evaluatorLicence expires January 31, 2026
- Merlo Plumbing, Co., Inc(314) 843-1000St. LouisInstallerLicence expires August 31, 2026
- Meyerott Enterprises, LLC(636) 485-1215St. CharlesInstallerLicence expires May 31, 2028
- MO Home Inspectors(636) 283-4300WashingtonSoil evaluatorLicence expires August 31, 2026
- Moore Works LLCInstallerLicence expires November 30, 2025
- Mots Excavation LLC(314) 974-5756HillsboroInstallerLicence expires November 30, 2028
- Mr Rooter stl(314) 656-7277FentonInstallerLicence expires January 31, 2028
- Mr. Rooter(314) 665-2157FentonInstallerLicence expires May 31, 2028
- Murphy Company Mechanical Contractors and Engineer(314) 997-6600St. LouisInstallerLicence expires December 31, 2026
- NewShu Contracting LLC(314) 578-0145LonedellInstallerLicence expires January 31, 2028
- Norvell Services LLC(573) 783-7000FredericktownInstallerLicence expires September 30, 2028
- NPI Missouri Inc (National Property Inspections)(636) 940-1005St CharlesSoil evaluatorLicence expires June 30, 2028
- Oberkramer Septic Solutions, LLC(636) 495-9900High RidgeInstallerLicence expires October 31, 2026
- On-Site Soils(888) 878-1461ChesterfieldSoil evaluatorLicence expires June 30, 2026
- On-Site Soils(314) 341-3888ChesterfieldSoil evaluatorLicence expires March 31, 2026
- Outlaw Excavating LLC(636) 232-3860DeSotoInstallerLicence expires July 31, 2026
- Parker Petroleum Sales & Service(314) 401-5447TroyInstallerLicence expires February 28, 2027
- Pinson Excavating(314) 420-5466CadetInstallerLicence expires September 30, 2028
- Pooles Septic System(573) 631-5927Mineral PointInstallerSoil evaluatorLicence expires July 31, 2026
- Pooles Septic Systems(573) 631-5927Mineral PointInstallerLicence expires June 30, 2027
- Prekins Branch Properties(314) 478-0456DeSotoInstallerLicence expires May 31, 2027
- Pro-Com Septic & Excavation LLC(636) 222-8128Valles MinesInstallerLicence expires March 31, 2028
- Professional Onsite Installations(636) 236-4760HillsboroInstallerLicence expires June 30, 2028
- Protect Home Inspections(314) 937-6909WashingtonSoil evaluatorLicence expires April 30, 2028
- PROtect Home Inspections(314) 402-7352WashingtonSoil evaluatorLicence expires August 31, 2028
- R E Signature Homes(314) 808-7086Ste GenevieveInstallerLicence expires April 30, 2028
- Ragsdale Asphalt/Excavating(573) 474-5906BismarckInstallerLicence expires March 31, 2027
- Redline Junk Removal & Dumpster Rental(573) 210-0966CadetSoil evaluatorLicence expires February 28, 2027
- Rich Gullet & Sons(636) 271-2327PacificInstallerLicence expires April 30, 2028
- Ryan J Wallis(573) 209-1041BismarkInstallerLicence expires December 31, 2027
- Sam's Home & Commercial Inspectors(573) 202-6062VichyInstallerLicence expires August 31, 2028
- Samuel Heating and Cooling(314) 398-2323St. LouisInstallerLicence expires November 30, 2025
- Samuel Plumbing & Drain Laying(314) 398-2323St. LouisSoil evaluatorLicence expires August 31, 2026
- Schlett Construction(314) 302-6476BarnhartInstallerLicence expires March 31, 2026
- Schrum Masonry & Construction Inc(636) 586-2270DeSotoInstallerLicence expires August 31, 2026
- Second Nature Excavation and Hardscapes(573) 694-8696New HavenInstallerLicence expires March 31, 2028
- Semke Grading and Pipe(636) 250-4225Saint CharlesInstallerLicence expires May 31, 2028
- Septic Services, Inc.(636) 583-5564UnionInstallerLicence expires January 31, 2026
- Septic Solutions(314) 216-1937House SpringsInstallerLicence expires September 30, 2028
- Sewage Pump Solutions(636) 331-5172DeSotoInstallerSoil evaluatorLicence expires March 31, 2027
- Show Me Soils(636) 629-1788LonedellInstallerSoil evaluatorLicence expires April 30, 2026
- Simple Septic Inspections(573) 366-8303Bonne TerreSoil evaluatorLicence expires March 31, 2027
- Sk hardin construction(636) 208-6533DesotoInstallerLicence expires March 31, 2027
- Steve RogersInstallerLicence expires May 31, 2027
- Superior Sewer Co(314) 931-4738St. LouisInstallerLicence expires July 31, 2026
- Superior Sewer Company(314) 437-0522St. LouisSoil evaluatorLicence expires February 28, 2026
- Taylor Grading LLC(314) 445-4154FestusInstallerLicence expires July 31, 2028
- Tim Bennett Plmbing, LLC(636) 296-4994ImperialInstallerLicence expires March 31, 2026
- TJ Riley Contracting(573) 482-0032Bonne TerreInstallerLicence expires July 31, 2026
- TLM Contracting LLC(314) 578-7198DesotoInstallerLicence expires August 31, 2026
- Tongay Dirtworks LLC(573) 430-2711Park HillsInstallerLicence expires December 31, 2027
- True Form Contracting(314) 803-0426RobertsvilleInstallerLicence expires April 29, 2027
- TWL Inspections Services(573) 517-1772PerryvilleSoil evaluatorLicence expires March 31, 2027
- Unlimited Landscape Maintenance(314) 210-8314FestusInstallerLicence expires March 31, 2028
- Unnerstall Contracting Co., Ltd(636) 257-3003PacificInstallerLicence expires February 28, 2026
- Valle Land Development, LLC(314) 965-3400Valles MinesInstallerLicence expires March 31, 2028
- Volz Incorporated(314) 890-1264Saint LouisInstallerLicence expires December 31, 2026
- Wagner Tree Trimming & Trenching(636) 629-1842LonedellInstallerLicence expires March 31, 2026
- Weber Construction LLC(636) 584-0283UnionInstallerLicence expires July 31, 2026
- Wehmeyer Farms, Inc.(636) 368-8264Moscow MillsInstallerLicence expires April 30, 2027
- Wiese property improvements(573) 569-2060SullivanInstallerLicence expires March 31, 2027
- Wiggs Plumbing LLCInstallerLicence expires September 30, 2026
- William E Courtway/Redline Junk Removal & Dumpster(573) 210-0966CadetInstallerLicence expires December 31, 2026
- William H. Bond Engineering(573) 483-2175Ste. GenevieveInstallerSoil evaluatorLicence expires March 31, 2026
- Wm G Cocos Co Inc(314) 631-2688St LouisInstallerLicence expires August 31, 2026
- WM Mueller Trenching and Excavating(636) 980-7757St. CharlesInstallerLicence expires May 31, 2028
- X-L Contracting(314) 280-1248Saint PetersInstallerLicence expires October 31, 2026
Individually licensed onsite professionals in Jefferson 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.
| Name | Licence | City | Expires |
|---|---|---|---|
| Benjamin Cocos | Basic InstallerNo. 37251 | St Louis | August 31, 2026 |
| Brenda Rush | Onsite Soil EvaluatorNo. 50694 | Dittmer | April 30, 2027 |
| Brent Schrum | Advanced InstallerNo. 31877 | DeSoto | August 31, 2026 |
| Brice Gansner | Advanced InstallerNo. 34297 | Festus | May 31, 2028 |
| Bryon Madonna | Advanced InstallerNo. 37698 | Hillsboro | November 30, 2025 |
| Bryon Madonna | Onsite Soil EvaluatorNo. 51199 | Hillsboro | July 31, 2026 |
| Charles Robinson | Advanced InstallerNo. 30936 | Festus | December 31, 2028 |
| Christopher Masters | Advanced InstallerNo. 38662 | De Soto | March 31, 2026 |
| Curtis Burns | Basic InstallerNo. 39322 | Fenton | January 31, 2028 |
| Dan Hickman | Advanced InstallerNo. 38071 | DeSoto | May 31, 2027 |
| Daniel Larkin | Advanced InstallerNo. 33877 | Fenton | August 31, 2028 |
| Daniel Larkin | Advanced InstallerNo. 33877 | Fenton | August 31, 2028 |
| Darren Taylor | Advanced InstallerNo. 37626 | Festus | July 31, 2028 |
| Don Haefner | Onsite Soil EvaluatorNo. 50225 | Farmington | October 31, 2026 |
| Dustin Smith | Advanced InstallerNo. 39046 | Cadet | December 31, 2026 |
| Eric Ehlen | Basic InstallerNo. 39419 | Fenton | May 31, 2028 |
| Frank Marchesi, Jr | Advanced InstallerNo. 33719 | St. Charles | August 31, 2028 |
| Gary Cannon | Basic InstallerNo. 37386 | Moscow Mills | April 30, 2027 |
| Gary Lalumandier | Basic InstallerNo. 37242 | Bloomsdale | August 31, 2026 |
| Gregory Hensley Jr | Advanced InstallerNo. 30502 | Pevely | February 28, 2026 |
| Harold Townsend | Basic InstallerNo. 32409 | St. Charles | November 30, 2026 |
| James Lewis | Advanced InstallerNo. 37631 | Hillsboro | July 31, 2028 |
| James Parker | Basic InstallerNo. 39150 | Warrenton | May 31, 2027 |
| Jeff Roderfeld | Advanced InstallerNo. 32371 | St. Charles | July 30, 2028 |
| John Kuchar | Advanced InstallerNo. 39313 | Hillsboro | December 31, 2027 |
| Joseph Stabenow | Advanced InstallerNo. 36865 | Festus | May 31, 2027 |
| Justin Hudson | Advanced InstallerNo. 37232 | Hillsboro | August 31, 2026 |
| Justin Manley | Basic InstallerNo. 39018 | St. Louis | December 31, 2026 |
| Kevin Klodt | Advanced InstallerNo. 39383 | Festus | March 31, 2028 |
| Kevin Robben Jr | Basic InstallerNo. 37120 | Desoto | November 30, 2025 |
| Kevin Robben Jr | Onsite Soil EvaluatorNo. 51071 | Desoto | June 30, 2026 |
| Matthew Schaper | Advanced InstallerNo. 37238 | Foristell | August 31, 2026 |
| Michael Casey | Advanced InstallerNo. 37139 | Festus | January 31, 2026 |
| Randy Pinson | Basic InstallerNo. 31383 | Cadet | September 30, 2028 |
| Raymond Jones | Advanced InstallerNo. 30923 | De Soto | February 28, 2026 |
| Robert Scherrer | Advanced InstallerNo. 32169 | Bonne Terre | February 28, 2026 |
| Ryan Wallis | Advanced InstallerNo. 36062 | Bismark | December 31, 2027 |
| Samuel Ebegbodi | Advanced InstallerNo. 37690 | St. Louis | November 30, 2025 |
| Steven Hardin | Advanced InstallerNo. 39078 | DeSoto | March 31, 2027 |
| Stjepan Dizdar | Basic InstallerNo. 32157 | St. Louis | March 31, 2028 |
| Timothy Myers | Advanced InstallerNo. 30058 | Desoto | August 31, 2026 |
Who handles septic permits in Jefferson 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.
Towns in Jefferson 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 Jefferson 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.