Capitol Heights is a town in Prince George's County, Maryland, United States, located on the border of both the Northeast & Southeast quadrants of Washington. The town of Capitol Heights is officially bounded between Southern Avenue NE/SE to the north, Yost Place, and Eastern Avenue NE to the east, the Watts Branch Stream, Brooke Road, and Capitol Heights Boulevard to the south, and Marlboro Pike to the west. The zip code of Capitol Heights is 20743.
Capitol Heights is located at 38°52′55″N 76°54′52″W (38.881862, -76.914474). East Capitol Street (MD 214), which is a major street in Capitol Heights, evenly divides the Northeast and Southeast quadrants of Washington after leaving Capitol Heights and entering Washington.
Whereas Capitol Heights itself is an incorporated town in Prince George's County, residents and businesses located in unincorporated towns either nearby, or on the border of Capitol Heights, such as Coral Hills, Walker Mill, Pepper Mill Village, Carmody Hills, Fairmount Heights, and Chapel Oaks, are assigned Capitol Heights addresses, along with the Capitol Heights zipcode of 20743, even though they are not located within the official neighborhood boundaries of Capitol Heights.
According to the United States Census Bureau, the town has a total area of 0.80 square miles (2.07 km2), all land.
In 1904, Washington, D.C., was growing by leaps and bounds. The overcrowding and the improved public transportation made the idea of living on the outskirts increasingly appealing to people looking for housing. Recognizing the opportunity, Baltimore resident Otway B. Zantzinger acquired 400 hilly acres just beyond the eastern corner of the District of Columbia. He divided the tract into 4,000 lots and began to sell them at prices ranging from $20 to $150 each.