National Historic Register properties in Middletown, Delaware

• Achmester
• Armstrong-Walker House
• Belleview
• Biggs, Gov. Benjamin T., Farm
• Choptank
• Choptank-Upon-The-Hill
• Cochran Grange
• Cornucopia
• Fairview
• Fields Heirs
• Greenlawn
• Hanson, B. F., House
• Hedgelawn
• Holton, S., Farm
• Maple Grove Farm
• Maples
• Mayfield
• Middletown Academy
• Middletown Historic District
• Naudain, Arnold S., House
• Noxontown
• Okolona
• Old St. Anne's Church
• Pharo House
• Rosedale
• Rumsey Farm
• St. Joseph's Church
• Weston