Licensed Septic Companies in Louisiana
The Septic Guide lists 348 septic companies and licensed septic professionals in Louisiana; 333 are matched to the Louisiana Department of Health license or certification lists (data as of October 2026).
Septic companies by parish
- Tangipahoa Parish18 listed
- Caddo Parish15 listed
- Livingston Parish15 listed
- St. Tammany Parish15 listed
- Calcasieu Parish12 listed
- Lafayette Parish12 listed
- Lafourche Parish12 listed
- Lincoln Parish12 listed
- St. Landry Parish11 listed
- Bossier Parish10 listed
- Terrebonne Parish10 listed
- Union Parish10 listed
- Acadia Parish9 listed
- Ascension Parish9 listed
- East Baton Rouge Parish9 listed
- Ouachita Parish9 listed
- Rapides Parish9 listed
- Washington Parish9 listed
- Assumption Parish8 listed
- Richland Parish8 listed
- Avoyelles Parish7 listed
- Beauregard Parish6 listed
- Franklin Parish6 listed
- Jefferson Parish6 listed
- Vernon Parish6 listed
- East Feliciana Parish5 listed
- Jackson Parish5 listed
- LaSalle Parish5 listed
- Orleans Parish5 listed
- Sabine Parish5 listed
- Vermilion Parish5 listed
- Winn Parish5 listed
Septic companies by city
Septic services in Louisiana
Counts of Louisiana listings by service, from each business's own website or the type of state license it holds.
Who licenses septic work in Louisiana?
The Louisiana Department of Health publishes its active installer list, which marks installers who can also maintain mechanical (aerobic) plants.
Credentials: Basic installer; Combination installer; Maintenance provider.
Agency: Louisiana Department of Health, Onsite Wastewater Program.
Licenses shown in this directory come from: Louisiana Department of Health (386).
Other Louisiana listings
Septic companies and licensed professionals in areas without their own page yet. Listings in the parishes and towns above are on those pages.
Allen Parish 2
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Overtime Essentials
Oakdale, LA 71463
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #40119 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
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Sancta Maria Services LLC
1259 Snooky's Rd, Reeves, LA 70658
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31994 (Louisiana Department of Health, verify)
Per state license: Installation
Bienville Parish 1
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Jake's Plumbing & Septic Systems, LLC
Saline, LA 71070
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32227 (Louisiana Department of Health, verify)
Per state license: Installation
Caldwell Parish 2
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Graham Sewer Systems LLC
Coulmbia, LA 71418
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31155 (Louisiana Department of Health, verify)
Per state license: Installation
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Simple Sewer Solutions
Grayson, LA 71435
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32333 (Louisiana Department of Health, verify)
Per state license: Installation
Claiborne Parish 2
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Skinner Septic Systems
Homer, LA 71040
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30239 (Louisiana Department of Health, verify)
Per state license: Installation
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Waters Construction
Coushatta, LA 71079
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30466 (Louisiana Department of Health, verify)
Per state license: Installation
Concordia Parish 2
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Cotehrn Construction Group LLC
Vidalia, LA 71373
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31602 (Louisiana Department of Health, verify)
Per state license: Installation
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Ronnie Cox
Vidalia, LA 71373
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #1092 (Louisiana Department of Health, verify)
Per state license: Installation
De Soto Parish 3
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Armstrong Construction Plumbing & Repair
494 Hickory Nut Rd, Mansfield, LA 71052
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #609 (Louisiana Department of Health, verify)
Per state license: Installation
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Bordelon Septic Systems Inc
1066 US-171, Stonewall, LA 71078
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32219 (Louisiana Department of Health, verify)
From their website: Pumping · Installation
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Royal Flush Septic & Maintenance, LLC
132 Clinton Dr, Stonewall, LA 71078
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #40021 (Louisiana Department of Health, verify)
From their website: Pumping · Installation · Inspection · Aerobic systems · Risers & lids
East Carroll Parish 1
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Panther septic
5220 LA-580, Lake Providence, LA 71254
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31484 (Louisiana Department of Health, verify)
From their website: Installation · Repair · Perc testing
Evangeline Parish 2
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Anthony Guillory Contruction
Mamou, LA 70554
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31787 (Louisiana Department of Health, verify)
Per state license: Installation
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Luke's Tank Pumping Service
1302 Lahaye Rd, Mamou, LA 70554
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #212 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #896 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #337 (Louisiana Department of Health, verify)
From their website: Pumping · Installation · Aerobic systems · Grease traps
Grant Parish 1
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Industrial Concrete Products
Montgomery, LA 71454
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #698 (Louisiana Department of Health, verify)
Per state license: Installation
Iberia Parish 1
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Audie's Sewage Installations, LLC
1300 Creighton Broussard Rd, New Iberia, LA 70560
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #30368 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
Iberville Parish 4
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American Buckhoe & Construction LLC
Grosse Tete, LA 70740
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #442 (Louisiana Department of Health, verify)
Per state license: Installation
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Gremillion Mechanical, Inc.
1295 LA-75, Sunshine, LA 70780
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #40124 (Louisiana Department of Health, verify)
Per state license: Installation
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Tullier Services, LLC
58195 W Homestead Dr, Plaquemine, LA 70764
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #947 (Louisiana Department of Health, verify)
Per state license: Installation
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Wille Services
Plaquemine, LA 70764
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32087 (Louisiana Department of Health, verify)
Per state license: Installation
Jefferson Davis Parish 3
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A&B Environmental
Jennings, LA 70546
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31925 (Louisiana Department of Health, verify)
Per state license: Installation
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Clement Septic Service LLC
5482 Grand Marais Rd, Jennings, LA 70546
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #31581 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
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Toshco Sewer Systems, LLC
2460 Comeaux Rd, Jennings, LA 70546
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31807 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #763 (Louisiana Department of Health, verify)
Per state license: Installation
Liberty 1
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Reynolds Pumping and Septic Services LLC
Liberty, LA 39645
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #40108 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
Morehouse Parish 1
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ABC Septic LLC
Bastrop, LA 71220
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32360 (Louisiana Department of Health, verify)
Per state license: Installation
Natchitoches Parish 3
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Jones Septic Systems
435 Vernon Wester Rd, Provencal, LA 71468
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30990 (Louisiana Department of Health, verify)
Per state license: Installation
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Michael L. Dupree Sewer System
Provencal, LA 71468
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #40113 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
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Pete's Septic Services
Natchez, LA 39120
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31976 (Louisiana Department of Health, verify)
Per state license: Installation
Plaquemines Parish 4
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Garrett's Piping Systems, LLC
110 Sherwood Dr, Belle Chasse, LA 70037
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31555 (Louisiana Department of Health, verify)
Per state license: Installation
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George Brooks Backhoe Service LLC
Belle Chasse, LA 70037
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31422 (Louisiana Department of Health, verify)
Per state license: Installation
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Keith's Plumbing Service of Belle Chasse, Inc.
111 Lejeune Rd, Belle Chasse, LA 70037
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30952 (Louisiana Department of Health, verify)
Per state license: Installation
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Plaquemines Plumbing
Belle Chasse, LA 70037
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #40096 (Louisiana Department of Health, verify)
Per state license: Installation
Pointe Coupee Parish 4
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Allen's Water Service LLC
Batchelor, LA 70715
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30138 (Louisiana Department of Health, verify)
Per state license: Installation
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Mega Works LLC
3772 Oakland Rd, Lakeland, LA 70752
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #40075 (Louisiana Department of Health, verify)
Per state license: Installation
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Steib's Dozer and Backhoe Service LLC
Lottie, LA 70756
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30229 (Louisiana Department of Health, verify)
Per state license: Installation
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T.L Septic Tank Service LLC
Lakeland, LA 70752
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #40100 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #40101 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
Red River Parish 2
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Mike's Water Wells, LLC
407 US-71, Coushatta, LA 71019
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30207 (Louisiana Department of Health, verify)
Per state license: Installation
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Morgan Water Services
Coushatta, LA 71019
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32487 (Louisiana Department of Health, verify)
Per state license: Installation
St. Bernard Parish 2
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Molinary Construction LLC
Violet, LA 70092
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32496 (Louisiana Department of Health, verify)
Per state license: Installation
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Nehligs LLC
St. Bernard, LA 70085
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #537 (Louisiana Department of Health, verify)
Per state license: Installation
St. Charles Parish 2
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C&D Plumbing and Mechanical LLC
573 Goodhope St, Norco, LA 70079
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31805 (Louisiana Department of Health, verify)
Per state license: Installation
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Zeringue's Plumbing & Mechanical Inc.
123 Trosclair Dr , Destrehan, LA 70047, 132 Troxclair Ln, New Sarpy, LA 70078
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #603 (Louisiana Department of Health, verify)
Per state license: Installation
St. Helena Parish 1
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Dirt X-Pert LLC
Greensburg, LA 70441
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32454 (Louisiana Department of Health, verify)
Per state license: Installation
St. Martin Parish 4
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Al's Sewer Septic and Backhoe Services
Breaux Bridge, LA 70517
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #475 (Louisiana Department of Health, verify)
Per state license: Installation
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City Plumbing Service Company
Breaux Bridge, LA 70517
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32408 (Louisiana Department of Health, verify)
Per state license: Installation
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D & M Septic Tanks
1733 W Mills Ave, Breaux Bridge, LA 70517
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30958 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30495 (Louisiana Department of Health, verify)
From their website: Pumping · Installation · Repair
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Pat's Mobile Home Park
Roy J Melancon Rd, Breaux Bridge, LA 70517
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Maintenance) · #31939 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
Vidor 1
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Jet Aeration of Texas LLX
Vidor, LA 77670
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32285 (Louisiana Department of Health, verify)
Per state license: Installation
Webster Parish 4
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Carter's Septic Service
2598 LA-163, Doyline, LA 71023
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32161 (Louisiana Department of Health, verify)
Per state license: Installation
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Connie's Plumbing & Supply, LLC
11112 US-371, Sibley, LA 71073
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31955 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32281 (Louisiana Department of Health, verify)
Per state license: Installation
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PO Box 111
Springhill, LA 71075
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31767 (Louisiana Department of Health, verify)
Per state license: Installation
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White Septic Systems LLC
Heflin, LA 71039
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30218 (Louisiana Department of Health, verify)
Per state license: Installation
West Baton Rouge Parish 3
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King's Backhoe Services and Installation
6945 Bueche Rd, Port Allen, LA 70767
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #40078 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
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RumSeptic LLC
Port Allen, LA 70767
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #40077 (Louisiana Department of Health, verify)
Per state license: Installation
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Rusty's
Addis, LA 70710
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #598 (Louisiana Department of Health, verify)
Per state license: Installation
West Carroll Parish 1
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Rouse Construction
11861 LA-17, Oak Grove, LA 71263
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31029 (Louisiana Department of Health, verify)
Per state license: Installation
West Feliciana Parish 3
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C.W. Wastewater Systems LLC
Angola, LA 70712
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #31204 (Louisiana Department of Health, verify)
Per state license: Installation
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John Thompson
St. Francisville, LA 70775
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #556 (Louisiana Department of Health, verify)
Per state license: Installation
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Louisiana Land Pros LLC
St. Francisville, LA 70775
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic) · #40098 (Louisiana Department of Health, verify)
Per state license: Installation
No listings match those filters.
Septic companies in Louisiana: common questions
How many licensed septic companies are in Louisiana?
The Septic Guide lists 348 septic companies and licensed septic professionals in Louisiana; 333 are matched to the Louisiana Department of Health license or certification lists (data as of October 2026).
Do septic contractors need a license in Louisiana?
Yes. The Louisiana Department of Health publishes its active installer list, which marks installers who can also maintain mechanical (aerobic) plants.
How do I check a septic license in Louisiana?
Search the contractor on the Louisiana Department of Health, Onsite Wastewater Program's lookup (https://ldh.la.gov/page/627). Every license badge in this directory links to the agency's own lookup.