<620 Park Avenue>
- Date: 1914
- Style: Prairie Style
- District: Chapin Park
- Rating: Contributing
The Sibley family had this house built in 1914 as an investment property in the Prairie Style. Gilbert Dunkin may have resided here from 1916 until 1923. He was a sales manager for the George Cutter Company of South Bend, which manufactured Chapin Park's street lights.