Home › Maryland › Washington County › Williamsport › John D. Kriner

John D. KrinerLicensed

Licensed septic contractor based in Williamsport, Washington County, MD

License details

Company	John Kriner Plumbing & Heating
License number	02283
License type	Registered On-Site Wastewater (Septic) Professional
License status	Current, MD State Board of On-Site Wastewater Professionals
License expires	December 31, 2026
Based in	Williamsport, Washington County, Maryland 21795

"Based in" is the city and county of the address on the business's license record.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #02283 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: MD State Board of On-Site Wastewater Professionals - registered individuals, last checked 2026-08-17. Look it up at the issuing agency.

Compare licensed contractors based in Williamsport

All listings based in Williamsport 6

Other septic contractors based in Williamsport

Connor M. HottLicensed

Septic

Gerald Taylor Co., Inc. · Based in Williamsport, MD · License #02554

Dylan J. HoakLicensed

Septic

Gerald Taylor Co., Inc. · Based in Williamsport, MD · License #02048

Steven T. MessickLicensed

Septic

Gerald Taylor Co., Inc. · Based in Williamsport, MD · License #02553

Brian P. SmithLicensed

Septic

Cedar Valley Septic Services · Based in Williamsport, MD · License #02231

Joshua E. HoffmanLicensed

Septic

Tana Plumbing & Heating LLC · Based in Williamsport, MD · License #00069

Other licensed septic contractors based in Washington County

Troy L. PryorLicensed

Septic

C.R. Semler, Inc · Based in Smithsburg, MD · License #01671

James L. WebbLicensed

Septic

Tri-County Pump Service Inc · Based in Boonsboro, MD · License #00805

Darren S. OldenLicensed

Septic

Olden Excavating Inc · Based in Keedysville, MD · License #00972

Ayodeji O. BadakiLicensed

Septic

Based in Hagerstown, MD · License #01858

Michael L. FreeLicensed

Septic

Mayes Septic & Port A Pots LLC · Based in Hagerstown, MD · License #02191

See every listing based in Washington County or in Williamsport.