Rule4 provides full-service Commercial Construction, Drywall, Painting & Residential Home Remodeling and painting services—from Corporate Complexes, Shopping Centers, Office Building to Garages, single rooms and large additions in Howard County, Baltimore County, Anne Arundel County & Montgomery County. From the first call to our office in Elkridge, Maryland, you’ll experience the Rule4 difference. We believe in friendly, responsive, expert service. A passion for quality. A commitment to great ideas. And a focus on efficiency. We charge a fair price for the work we do, and we honor our schedule and budget commitments. We’re proud of the work we do and the values we represent.