110 Loudoun Street SW
Leesburg, VA 20175
Service area: 50 miles
Service Area: Specializing in custom homes, additions and small commercial projects throughout northern Virginia and surrounding areas.
O'Neil Architects is a member of the U.S. Green Building Council, has experience with sustainable and energy efficient design, and has a LEED® AP BD+C and LEED® AP HOMES on staff.
Several current projects focus on energy efficient and green building design, using components such as insulated concrete form (ICF) construction, structural insulated panels (SIPS), in-floor radiant heating systems, and geothermal heating and cooling systems.