Smith Reuter Lull has been working for the past five years from a master plan that they developed for the Oxford County Courthouse that brings the historic building into compliance with current codes and standards, while reconfiguring space to better meet the county's current needs.  The master plan is being executed in distinct phases in order to complete individual projects within the county's annual budget.

This series of projects has upgraded the building’s electrical systems, created basement storage spaces to provide archival storage within the building, and renovated the former 19th century jail into new office space and Commissioners' Chambers. This renovation project was the recipient of a 2006 Statewide Historic Preservation Honor Award from Maine Preservation.

A new space designed for the Probate Court is currently under construction.