A mill existed on the Alexauken Creek east of Mount Airy prior to the Revolution. By 1881, Mount Airy had a school, store, church, wagon and blacksmith shop, grist-mill, and about 12 dwellings. Prior to 1881 a hotel was located at the settlement.[3]
The Mount Airy Historic District is a 105-acre (42 ha) historic district encompassing the community. It was added to the National Register of Historic Places on November 13, 1989, for its significance in architecture, commerce, industry, and settlement.[4] The district includes 26 contributing buildings, and two contributing sites. The Old Mount Airy Tavern was built in the late 18th century and was a stage coach stop on the Old York Road. Holcombe's Storehouse is a late 18th century two and one-half story coursed rubble stone building with overhanging hoist. Both have been converted into residences.[6]
The Gothic Revival styleSecond English Presbyterian Church of Amwell, also known as the Mount Airy Presbyterian Church, was built in 1874. The church was founded in 1754. The cemetery was started in the mid 18th century.[6]