Hunt Valley is served by the Cockeysville, Maryland post office, and also is home to a satellite campus of the Community College of Baltimore County. Hunt Valley is an affluent unincorporated community in Baltimore County, Maryland, United States. It lies just north of the city of Baltimore, along Highway 145 off Interstate 83. Loch Raven Reservoir. Many Baltimore County residents declaim that Hunt Valley doesn't actually existit is often grumbled that "Hunt Valley" is a fanciful name cooked up by real estate developers during the development of the area in the 1970s and 1980s; that is, "Hunt Valley" is more of a name brand than an actual place.