- Retail Space Available Adjacent to New Advance Auto Parts - Zoned for Retail or Office Use - Pylon Signage - Excellent Parking and Access - $12.00 per SF NNN Chestertown, MD is a town located in Kent County and is the county seat. The town is home to Washington College. Although Chestertown is set in a rural location, the vibrant community is only 90 minutes from Philadelphia, Baltimore and Washington, D.C..