Earl E. Preston Jr. & Whiteford Septic is among the most established and reputable septic and excavation contractors serving Maryland and Pennsylvania. Fully licensed and insured by the Maryland Home Improvement Commission, we leverage 50 years of mastery to ensure the success of every project.

Our dedicated team, comprised of NOWRA certified professionals, specializes in the installation of both conventional and alternative septic systems, as well as septic pumping and excavation services. We take pride in being local distributors for Jet Inc. pre-treatment units and Monarch Products concrete septic tanks. We combine top-tier equipment with a half-century of hands-on reliability. Whether you need expert installation, routine pumping, or complex excavation, we are your trusted partner for high-quality, long-lasting solutions.

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About Earl E. Preston Jr. & Whiteford Septic

Dedicated to providing trusted septic and excavation solutions with over 50 years of experience.

Our Commitment to Quality and Trust