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Prince George's County, Maryland

Licensed Septic Companies in Prince George's County, MD

13 septic companies serve Prince George's County, Maryland, and 12 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 Prince George's County

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

13 septic companies in Prince George's County

Upper Marlboro 4

  • Cra Construction Inc

    6350 Fallard Drive, Upper Marlboro, MD

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

    Per state license: Installation · Aerobic systems

    (301) 599-0009

  • Cw Gwynn, Inc

    6910 Croom Station Rd, Upper Marlboro, MD

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

    Per state license: Installation · Aerobic systems

    (301) 627-5720

  • Pw Construction

    17306 Nottingham Rd, Upper Marlboro, MD

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

    Per state license: Installation · Aerobic systems

    (301) 579-2496

  • Smoyer Home Improvements

    16400 Tanyard Rd, Upper Marlboro, MD

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

    Per state license: Installation · Aerobic systems

    (301) 367-6234

Aquasco 1

Beltsville 1

Brandywine 1

  • Alpha Omega Enterprises LLC

    15804 Baden Naylor Road, Brandywine, MD 20613

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

    Per state license: Installation · Aerobic systems

    (301) 643-4043

Capitol Heights 1

Great Mills 1

Hyattsville 1

Laurel 1

  • Hatfield'S Equipment

    8159 Brock Bridge Rd, Laurel, MD

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

    Per state license: Installation · Aerobic systems

    (301) 490-4289

Suitland 1

  • Beltway Surveys

    5627 Allentown Rd #105, Suitland, MD

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

    Per state license: Installation · Aerobic systems

    (301) 899-3440

Sykesville 1

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 Prince George's 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 Prince George's County: common questions

How many licensed septic companies are in Prince George's County, MD?

13 septic companies serve Prince George's County, Maryland, and 12 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 Prince George's County?

12 listings in Prince George's 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.