Licensed Septic Companies in Trappe, MD
5 septic companies serve Trappe, Maryland, and 5 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 Trappe
Guides: Septic system installation · Aerobic septic systems · Installation cost · Pumping cost
5 septic companies in Trappe
-
Andrew Frase Excavating LLC
3557 Ocean Gateway, Trappe, MD 21673 · Talbot County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
-
Doty Sewer & Drain
29468 Laurwayn Drive, Trappe, MD 21673 · Talbot County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
-
E S Diefenderfer
28745 Sandertown Rd, Trappe, MD · Talbot County
- Licensed: Maryland MDE Certified BAT (Best Available Technology) Septic Installer (Maryland Department of the Environment, verify)
Per state license: Installation · Aerobic systems
-
Ozmanenterprises
29147 Almshouse Rd, Trappe, MD 21673 · Talbot 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
-
P.E Moore & Sons Construction LLC
29196 Buck Rub road, Trappe, MD 21673 · Talbot 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 Trappe and whether the permit fee is in their quote.
Maryland septic licensing: agencies, license types and how to check a license →
Septic companies in Trappe: common questions
How many licensed septic companies are in Trappe, MD?
5 septic companies serve Trappe, Maryland, and 5 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 Trappe?
5 listings in Trappe 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.