D.S. Thaler & Assoc., LLC is proudly celebrating its 45th year as a premiere engineering design and consulting firm in Baltimore, Maryland.  We have designed more than 1,000 residential, institutional, and commercial projects for both the public and private sectors. Our land development work ranges from regional master plans and community revitalization plans to golf courses and residential communities.

Our managing principal, David S. Thaler, P.E., L.S., F., ASCE, F., NSPE, is a driving force in land development in the Mid-Atlantic region as a sought-after designer, lecturer, author and expert witness. He is a professional engineer in Maryland, as well as a registered land surveyor and licensed real estate broker in Maryland.