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Allegany County, Maryland

Licensed Septic Companies in Allegany County, MD

25 septic companies serve Allegany County, Maryland, and 25 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 Allegany County

Guides: Septic system installation · Aerobic septic systems · Installation cost · Pumping cost

25 septic companies in Allegany County

Cumberland 7

  • Adams & Sons Construction Inc

    12624 Ruppenkamp Rd, Cumberland, MD

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

    Per state license: Installation · Aerobic systems

    (301) 722-4041

  • Coughenour Surveying

    115 S Centre St, Cumberland, MD 21502

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

    Per state license: Installation · Aerobic systems

    (301) 777-7222

  • Cutter'S Sewer And Drain Cleaning

    909 Frederick St, Cumberland, MD 21502

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

    Per state license: Installation · Aerobic systems

    (301) 724-2800

  • Geographics

    15606 National Highway Sw, Cumberland, MD

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

    Per state license: Installation · Aerobic systems

    (301) 689-1236

  • Mccasker Contracting

    10620 Aerie Rd, Cumberland, MD

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

    Per state license: Installation · Aerobic systems

    (301) 707-1316

  • Miller Trucking

    12009 Vernon St Ne, Cumberland, MD

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

    Per state license: Installation · Aerobic systems

    (240) 580-4716

  • Twigg Plumbing And Heating

    105 Knox St, Cumberland, MD 21502

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

    Per state license: Installation · Aerobic systems

    (301) 724-7452

Frostburg 4

  • Final Grade LLC

    3150 Old Frostburg Rd, Frostburg, MD

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

    Per state license: Installation · Aerobic systems

    (301) 697-0290

  • Paul Mckenzie Excavation

    12111 Kemp Drive Nw, Frostburg, MD

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

    Per state license: Installation · Aerobic systems

    (301) 689-2645

  • Thraser Landscaping Excavating

    120 Ormand St, Frostburg, MD

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

    Per state license: Installation · Aerobic systems

    (301) 689-2868

  • Walter J Shiver

    11416 Kemp Dr., Frostburg, MD

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

    Per state license: Installation · Aerobic systems

    (301) 689-1711

Lonaconing 3

  • Gregg Kamp Excavating

    539 Chaney Rd, Lonaconing, MD

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

    Per state license: Installation · Aerobic systems

    (301) 268-6915

  • Gregg Kamp Excavating

    539 Chaney Rd, Lonaconing, MD 21539

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

    Per state license: Installation · Aerobic systems

    (301) 895-3551

  • Kiddy'S Contracting LLC

    20801 Charlestown Rd Sw, Lonaconing, MD 21539

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

    Per state license: Installation · Aerobic systems

    (301) 463-5110 kiddycontracting.com

Oldtown 3

  • Humbertson Construction Co

    14706 Ruby Rd, Oldtown, MD

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

    Per state license: Installation · Aerobic systems

    (301) 478-5836

  • Mullenax Excavating

    14601 Oldtown Rd Se, Oldtown, MD

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

    Per state license: Installation · Aerobic systems

    (301) 478-5128

  • Robey & Son

    20211 Oldtown Rd Se, Oldtown, MD

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

    Per state license: Installation · Aerobic systems

    (240) 727-6866

Flintstone 2

  • C & S Contractors

    13511 Scofield Rd, Flintstone, MD

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

    Per state license: Installation · Aerobic systems

    (240) 329-8951

  • Reed Clingerman Excavating

    12005 Towncreek Rd, Flintstone, MD

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

    Per state license: Installation · Aerobic systems

    (301) 268-5705

Little Orleans 2

  • Mb Havling / Excavating

    31704 Old Adams Rd, Little Orleans, MD

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

    Per state license: Installation · Aerobic systems

    (301) 697-9875

  • Wellers Excavating

    32207 Old Adams Rd, Little Orleans, MD

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

    Per state license: Installation · Aerobic systems

    (301) 697-4990

Barton 1

  • Mountain Top Excavation

    PO box 165, Barton, MD 21532

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

    Per state license: Installation · Aerobic systems

    (240) 920-4422

Ellerslie 1

  • Thompson Backhoe Service

    Po Box 458, Ellerslie, MD 21529

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

    Per state license: Installation · Aerobic systems

    (301) 707-2176

Rawlings 1

  • Johnie Beckman Excavating

    18201 Spring Haven Rd, Rawlings, MD

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

    Per state license: Installation · Aerobic systems

    (301) 707-3705

Westernport 1

  • Kalbaugh Builders And Excavating

    301 Marsh Ave, Westernport, MD

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

    Per state license: Installation · Aerobic systems

    (301) 268-8197

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 Allegany 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 Allegany County: common questions

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

25 septic companies serve Allegany County, Maryland, and 25 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 install septic systems in Allegany County?

25 listings in Allegany 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.