Licensed Septic Companies in Westminster, MD
32 septic companies serve Westminster, Maryland, and 31 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 Westminster
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Aerobic septic systems · Installation cost · Pumping cost
32 septic companies in Westminster
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Arkcan, llc
2506 Karen Way, Westminster, MD 21157 · Carroll 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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Bloom'S Trucking LLC
414 Logan Dr, Westminster, MD 21757 · Frederick 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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Bpr Inc
150 Airport Drive Suite 4, Westminster, MD · Carroll 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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Bpr, Inc
150 Airport Dr Suite 4, Westminster, MD 21157 · Carroll 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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Carroll CHD
290 S. Center St, Westminster, MD · Carroll 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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Carroll CHD
290 S. Center St, Westminster, MD · Carroll 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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Carroll CHD
290 S. Center St, Westminster, MD · Carroll 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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Carroll Water Systems Inc
60 Aileron Lane #3, Westminster, MD 21030 · Baltimore 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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Clsi
439 East Main St, Westminster, MD · Carroll 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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Clsi
439 East Main St, Westminster, MD · Carroll 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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Dorsey Construction Services
7 W George St, Westminster, MD 21157 · Carroll County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
From their website: Installation Per state license: Aerobic systems
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Drs And Associates
52 Winters Street, Westminster, MD 21157 · Carroll 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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Falkenstines Inc
230 Bankard Rd, Westminster, MD · Carroll 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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Francis Bollinger &Sons
1343 Bollinger Rd, Westminster, MD · Carroll 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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Groves Brothers Builders LLC
Po Box 104, Westminster, MD · Carroll 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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Hanover Land Services Inc
2001 Meadow Dr, Westminster, MD · Carroll 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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Hydro Terra Group
15 National Place / 198 Pennsylvania Ave, Westminster, MD · Carroll 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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Hydro-Terra Group
1106 Business Parkway South, Westminster, MD · Carroll 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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Jade Enterprises
3335 Marston Rd, Westminster, MD · Carroll 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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Jet Septic and Plumbing Services
440 Bear Branch Rd, Westminster, MD 21157 · Carroll County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
From their website: Pumping · Installation · Inspection · Repair · Grease traps Per state license: Aerobic systems
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LCM Services
440 Bear Branch Rd, Westminster, MD · Carroll 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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Legacy Contracting, Inc
1538 Manchester Rd, Westminster, MD 21158 · Carroll 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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Leppo Excavating, LLC
2808 Birdview Rd, Westminster, MD · Carroll 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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National Construction Company
198 Penn Ave, Westminster, MD · Carroll 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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RTF Associates, Inc.
142 E Main St, Westminster, MD 21157 · Carroll County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
From their website: Perc testing Per state license: Installation · Aerobic systems
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South Carroll Backhoe
4410 Salem Bottom Rd, Westminster, MD · Carroll 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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Sweeney Builders Inc
1225 Cool Mint Ct, Westminster, MD 21157 · Carroll 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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T. E. Crummitt Jr Septic
1680 Linzee Dr, Westminster, MD 21788 · Frederick 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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Thomas C Senseney & Sons LLC
414 Maple Ave, Westminster, MD · Carroll 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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WTC Contractors Inc.
3033 Salem Bottom Rd, Westminster, MD 21157 · Carroll County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
From their website: Installation Per state license: Aerobic systems
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Young Septic Services
1802 Baltimore Blvd, Westminster, MD 21157 · Carroll County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
From their website: Pumping · Installation · Inspection · Repair · Drain field · Perc testing Per state license: Aerobic systems
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Young Septic Services (MD)
1802 Baltimore Blvd, Westminster, MD 21157 · Carroll County
From their website: Pumping · Installation · Inspection · Repair · Drain field · Perc testing
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 Westminster and whether the permit fee is in their quote.
Maryland septic licensing: agencies, license types and how to check a license →
Septic companies in Westminster: common questions
How many licensed septic companies are in Westminster, MD?
32 septic companies serve Westminster, Maryland, and 31 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 Westminster?
3 of the 32 listings in Westminster 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 Westminster?
32 listings in Westminster 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.