Licensed Septic Companies in Muldrow, OK
6 septic companies serve Muldrow, Oklahoma, and 6 of them hold a Oklahoma septic license or certification matched to the Oklahoma Department of Environmental Quality list (data as of October 2026).
Septic services in Muldrow
Guides: Septic system installation · Aerobic septic systems · Installation cost · Pumping cost
6 septic companies in Muldrow
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4S Construction
475338 E 1078 Rd, Muldrow, OK 74948 · Sequoyah County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray) · #1104 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Copeland Dozer and Backhoe
475240 E 1140 Rd, Muldrow, OK 74948 · Sequoyah County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Lagoon, Aerobic Spray) · #326 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Edwards Construction
PO Box 1556, Muldrow, OK 74948 · Sequoyah County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray) · #616 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Floyd Equipment Service
112714 S 4770 Rd, Muldrow, OK 74948 · Sequoyah County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface) · #112 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation
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Sequoyah Septic Company
PO Box 1034, Muldrow, OK 74948 · Sequoyah County
- Licensed: Oklahoma DEQ Certified Septic Installer (Subsurface, Aerobic Spray) · #1083 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
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Wheeler Trucking LLC Excavation & Septic
108159 S 4740 Rd, Muldrow, OK 74948 · Sequoyah County
- Licensed: Oklahoma DEQ Certified Septic Installer (Aerobic Spray) · #1360 (Oklahoma Department of Environmental Quality, verify)
Per state license: Installation · Aerobic systems
No listings match those filters.
Septic licensing in Oklahoma
Oklahoma certifies septic installers by system type: subsurface, lagoon, aerobic spray and aerobic drip. The Oklahoma DEQ, Environmental Complaints and Local Services issues these credentials: Certified installer (subsurface, lagoon, aerobic spray, aerobic drip).
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Muldrow and whether the permit fee is in their quote.
Oklahoma septic licensing: agencies, license types and how to check a license →
Septic companies in Muldrow: common questions
How many licensed septic companies are in Muldrow, OK?
6 septic companies serve Muldrow, Oklahoma, and 6 of them hold a Oklahoma septic license or certification matched to the Oklahoma Department of Environmental Quality 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 Oklahoma?
Oklahoma certifies septic installers by system type: subsurface, lagoon, aerobic spray and aerobic drip. The licensing body is the Oklahoma DEQ, Environmental Complaints and Local Services.
Which companies install septic systems in Muldrow?
6 listings in Muldrow install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Oklahoma license.
How do I check a septic contractor's license in Oklahoma?
Use the Oklahoma DEQ, Environmental Complaints and Local Services's lookup (https://applications.deq.ok.gov/certinstallers/certinstallers.aspx) and search the contractor's name or license number. Our guide to checking a septic license walks through it.