About Us

Since 1993, McMahon & Mann Consulting Engineering and Geology, P.C. (McMahon & Mann) has provided civil engineering consultation and design services for geotechnical, subsurface environmental and solid waste projects throughout New York and the eastern United States. The firm’s staff of eighteen includes nine professional engineers and one professional geologist. The firm maintains a Certificate of Authority to provide engineering services in New York State.

It is relatively rare to find such a sizable group of engineers in one firm concentrating on geotechnical assignments. As a result of their experience and their past performance, the people at McMahon & Mann have become recognized for their accomplishments in the field and are regularly retained by private industry, architects, engineers and contractors, as well as public agencies at various levels of government and property owners seeking advice.