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Garrett County, Maryland

Licensed Septic Companies in Garrett County, MD

36 septic companies serve Garrett County, Maryland, and 36 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 Garrett County

Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Aerobic septic systems · Installation cost · Pumping cost

36 septic companies in Garrett County

Oakland 16

  • API Construction

    108 Matthew Rd, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 466-4391

  • Ashby Property Services

    769 Crellin Mine Rd, Oakland, MD 21550

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 501-3882

  • Denrock

    133 Tannery Rd, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-4178

  • Ez Excavating

    1499 Gnegy Church Road, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-5962

  • Ez Excavating LLC

    1499 Gnegy Church Road, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-2940

  • Frank Arnold Contractors / Arnold Bros. Equipment

    151 Oakland Dr, Oakland, MD 21550

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    From their website: Pumping Per state license: Installation · Aerobic systems

    (301) 334-2450 arnold-bros.com

  • G M Agri Service

    2482 Sand Flat Rd, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 710-2606

  • Hanline Excavating

    2327 Herrington Manor Rd, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-0429

  • K & R Enterprises, LLC

    182 Youghiogheny Rd, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-7988

  • Norman Hanline Excavating

    1018 John Drive, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 334-7875

  • Rinker Construction LLC

    114 Keefer Rd, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-8484

  • Robert Beitzel Excavating

    20 Lumber City Rd, Oakland, MD 21550

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 334-6326 beitzelexcavatingandpaving.com

  • Rush Excavating

    808 Sand Flat Rd, Oakland, MD 21550

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 334-1399

  • Underwood Excavating

    332 Leon White Rd, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-0462

  • Underwood Excavating LLC

    Po Box 712, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-0913

  • Potomac Excavating

    157 Allen Marple Dr, Oakland, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    No phone on the state list

Grantsville 7

  • Albright Excavating LLC

    2109 Bear Hill Rd, Grantsville, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (240) 321-5563

  • Bowers Excavation

    1349 Lower New Germany Rd, Grantsville, MD 21536

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 689-5352

  • Brant'S Home Sales

    11351 National Pike, Grantsville, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 895-5920

  • Byco Enterprises Inc

    11746 Bittinger Rd, Grantsville, MD 21536

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    From their website: Repair Per state license: Installation · Aerobic systems

    (301) 245-4322 bycoenterprises.com

  • David E Stein Construction

    1290 Springs Rd, Grantsville, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 707-3343

  • Preston Excavating

    13705 Westernport Rd, Grantsville, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 707-0778

  • Stein Brothers Construction

    1342 Springs Rd, Grantsville, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 895-5297

Accident 4

  • Bricingarde Excavating

    31351 Garrett Hwy, Accident, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 746-8596

  • Doerr Excavating

    375 Doerr Rd, Accident, MD 21520

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-8333

  • Gerald Harman Excavating

    1678 Cove Rd, Accident, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-3330

  • Maust Excavating

    133 Aiken Mill Rd, Accident, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-8085

Swanton 4

  • Bob James Excavating

    418 Mayberry Poling Rd, Swanton, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 501-0056

  • Darren Kamp Excavating

    47 Broadwater Cemetery Rd, Swanton, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 697-4129

  • Lakefront Enterprises Inc

    23 Mellinger Rd, Swanton, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 387-0115

  • Roger Newman

    307 Maybury Lane, Swanton, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (814) 442-6505

Mchenry 2

  • Adam Construction LLC

    5312 Sang Run Rd, Mchenry, MD 21541

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 387-4898 adamconstructionllc.com

  • Spiker Brothers Inc

    5 Normans Way, Mchenry, MD 21541

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 616-6142

Bloomington 1

  • Here To Help LLC

    166 Pattison Ave, Bloomington, MD

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 359-0472

Friendsville 1

  • Skyline Excavating & Tree service LLC

    4162 Blooming Rose rd, Friendsville, MD 21531

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    Per state license: Installation · Aerobic systems

    (301) 501-3055

McHenry 1

  • Rush Services

    1251 Mosser Rd, McHenry, MD 21541

    • Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)

    From their website: Pumping · Inspection · Risers & lids · Grease traps Per state license: Installation · Aerobic systems

    (301) 387-6481 rushservicesinc.com

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 Garrett County and whether the permit fee is in their quote.

Maryland septic licensing: agencies, license types and how to check a license →

Septic companies in Garrett County: common questions

How many licensed septic companies are in Garrett County, MD?

36 septic companies serve Garrett County, Maryland, and 36 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 Garrett County?

2 of the 36 listings in Garrett County 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 Garrett County?

36 listings in Garrett County 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.