1700s to 1850

The Vandergrift-Biddle House was built at Biddles Corner starting in the 18th century.^[3] The original property, consisting of 179 acres, was granted to Leonard Vandegrift by Thomas and William Penn in 1708 and became the Biddles Corner farm.^[4] The Vandergrift-Biddle House was listed on the National Register of Historic Places in 1978.^[3]

The Retirement Barn, a historically important barn, was built in the Biddles Corner area between 1790 and 1810.^[5] The barn "is the last known surviving example in southern New Castle County of a tri-partite (three bay) traditional English style barn. Common in the 18th century this barn type was replaced with other modern agricultural building types in the mid 1800s."^[6] It was listed on the National Register of Historic Places in 1985.^[7]

The Mondamon Farm Barrack, built in the early 1800s, is "the last known example of a mid 19th-century earthfast hay barrack to survive in New Castle County". Open-sided hay structures like the barrack were once common in the 1700s and early 1800s.^[8] It was also listed on the National Register of Historic Places in 1985.^[7]

1850 to present

The Craven House, in the vicinity of Biddles Corner,^[9] was built in the mid-19th century.

The 120 ft (37 m)-tall Liston Range Rear Lighthouse was built circa 1876 to 1877 east of its present site and was moved near Biddles Corner in 1906.^[10][11] The lighthouse was listed on the National Register of Historic Places in 1978^[12] and is Delaware's tallest lighthouse.^[13]

In 1884, the Fort Penn Grange was building a large hall at Biddles Corner with an exhibition room.^[14] The grange hosted various events in the hall such as magicians and Punch and Judy acts.^[15]

In 1979, the ChesDel Diner opened in St. Georges at Biddles Corner. Called a "Biddles Corner staple", the restaurant closed in 2018.^[16][17]

The Biddles Corner toll plaza opened in 1999.^[18] The busy toll plaza has exceeded 360,000 vehicles on holiday weekends.^[19]