Licensed Septic Companies in Assumption Parish, LA
8 septic companies serve Assumption Parish, Louisiana, and 8 of them hold a Louisiana septic license or certification matched to the Louisiana Department of Health list (data as of October 2026).
Septic services in Assumption Parish
Guides: Septic system installation · Aerobic septic systems · Installation cost · Pumping cost
8 septic companies in Assumption Parish
Pierre Part 4
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Crochet's Trailer Park
Pierre Part, LA 70339
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Maintenance) · #31417 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
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Dale Theriot & Sewer Systems, LLC
Pierre Part, LA 70339
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #30346 (Louisiana Department of Health, verify)
Per state license: Installation
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EJ Breaux Contractors LLC
3153 LA-70, Pierre Part, LA 70339
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #854 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32178 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32007 (Louisiana Department of Health, verify)
Per state license: Installation
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Lrs, LLC
Pierre Part, LA 70339
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32194 (Louisiana Department of Health, verify)
Per state license: Installation
Belle Rose 2
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Joey Thibodeaux's Drain Cleaning and Plumbing
109 Cosa Natural Rd, Belle Rose, LA 70341
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #40092 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #32239 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
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M&M Treatment Plant Systems
Belle Rose, LA 70341
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #30372 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
Labadieville 1
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Clement's Sales and Service, Inc.
2824 Hwy 1010, Labadieville, LA 70372
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #797 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination) · #32182 (Louisiana Department of Health, verify)
Per state license: Installation
Napoleonville 1
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Richard Services LLC
Napoleonville, LA 70390
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #31663 (Louisiana Department of Health, verify)
- Licensed: Louisiana LDH Licensed Onsite Wastewater (Septic) Installer (Basic; Combination; Maintenance) · #30175 (Louisiana Department of Health, verify)
Per state license: Installation · Aerobic systems
No listings match those filters.
Septic licensing in Louisiana
The Louisiana Department of Health publishes its active installer list, which marks installers who can also maintain mechanical (aerobic) plants. The Louisiana Department of Health, Onsite Wastewater Program issues these credentials: Basic installer; Combination installer; Maintenance provider.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Assumption Parish and whether the permit fee is in their quote.
Louisiana septic licensing: agencies, license types and how to check a license →
Septic companies in Assumption Parish: common questions
How many licensed septic companies are in Assumption Parish, LA?
8 septic companies serve Assumption Parish, Louisiana, and 8 of them hold a Louisiana septic license or certification matched to the Louisiana Department of Health list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in Louisiana?
The Louisiana Department of Health publishes its active installer list, which marks installers who can also maintain mechanical (aerobic) plants. The licensing body is the Louisiana Department of Health, Onsite Wastewater Program.
Which companies install septic systems in Assumption Parish?
8 listings in Assumption Parish install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Louisiana license.
How do I check a septic contractor's license in Louisiana?
Use the Louisiana Department of Health, Onsite Wastewater Program's lookup (https://ldh.la.gov/page/627) and search the contractor's name or license number. Our guide to checking a septic license walks through it.