Licensed Septic Companies in Smithsburg, MD
8 septic companies serve Smithsburg, Maryland, and 8 of them hold a Maryland septic license or certification matched to the Maryland Department of the Environment list (data as of October 2026).
Septic services in Smithsburg
Guides: Septic tank pumping · Septic system installation · Aerobic septic systems · Installation cost · Pumping cost
8 septic companies in Smithsburg
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Brian Semler Excavating
60 West Water St, Smithsburg, MD · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
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C. R. Semler, Inc.
11664 Mapleville Rd, Smithsburg, MD 21783 · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
From their website: Pumping · Installation Per state license: Aerobic systems
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Catoctin Mountain Excavating
13122 B Brandenburg Hollow Rd, Smithsburg, MD · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
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Cr Semler Inc
11664 Mapleville Rd, Smithsburg, MD · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
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Green Hill Landscapes LLC
11912 Crystal Falls Drive, Smithsburg, MD 21783 · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
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J.R. Services LLC
11328 White Hall Rd, Smithsburg, MD · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
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Sam'S Excavating
Po Box 307, Smithsburg, MD 21783 · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
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Stotelmyer Plumbing
13914 Edgemont Rd, Smithsburg, MD 21783 · Washington County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
No listings match those filters.
Septic licensing in Maryland
Maryland certifies installers of nitrogen-reducing BAT septic units; installers also need the unit maker's certification, and some counties require a local license. The Maryland Department of the Environment issues these credentials: BAT (Best Available Technology) certified installer; County septic installer licenses in some counties.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Smithsburg and whether the permit fee is in their quote.
Maryland septic licensing: agencies, license types and how to check a license →
Septic companies in Smithsburg: common questions
How many licensed septic companies are in Smithsburg, MD?
8 septic companies serve Smithsburg, Maryland, and 8 of them hold a Maryland septic license or certification matched to the Maryland Department of the Environment 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 Maryland?
Maryland certifies installers of nitrogen-reducing BAT septic units; installers also need the unit maker's certification, and some counties require a local license. The licensing body is the Maryland Department of the Environment.
Which companies pump septic tanks in Smithsburg?
1 of the 8 listings in Smithsburg offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.
Which companies install septic systems in Smithsburg?
8 listings in Smithsburg install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Maryland license.
How do I check a septic contractor's license in Maryland?
Use the Maryland Department of the Environment's lookup (https://mde.maryland.gov/programs/water/BayRestorationFund/OnsiteDisposalSystems/Pages/index.aspx) and search the contractor's name or license number. Our guide to checking a septic license walks through it.