Licensed & Insured: Baltimore and Harford County, Maryland Home Improvement Commission

We are one of the oldest and most respected septic and excavation contractors in Baltimore and Harford Counties. Our team has a wealth of experience and knowledge.

A NOWRA (National Wastewater Recycling Association) certified and alternative service provider, Earl "Gene" Preston has been in business since 1971 as a septic and excavation contractor. Also licensed to install conventional and alternative systems , Doug Dufour is our superintendent and has been working with Gene since 1982. Each of our key employees has at least a dozen years of experience in the field, and has been with Gene for five years or more.

We have a full line of construction equipment available.

We are your local distributor for Jet Inc. pre-treatment units and Monarch Products Co. top-seam concrete septic tanks.

Our commitment is to provide reliable, quality service for you!

Earl E. Preston Jr., Inc. provides Complete Commercial & Residential Septic Service and Excavation Services in the following areas of Harford & Baltimore County, Maryland: Ruxton, Towson, Hunt Valley, Cockeysville, Reisterstown, Pikesville, Baldwin, Glyndon, Lutherville, Timonium, Monkton, Owings Mills, Parkton, Phoenix, Sparks-Glencoe, White Hall.