On May 5, 2021, Neer LLC - Peaceful Homes Series purchased a property at 4009 Dubois Ave., Brookfield from Grandview Cap LLC and Kenneth A. Bernhard for $240,000.

In 2019, the property tax paid for this property was $714.76, which is 0.3% of the sale price of the home.

The last time this property sold was March 19, 2021. It last sold for $175,000.

In May 2021, 13 properties sold in Brookfield.

According to the Illinois State Board of Elections, there was one registered voter residing at 4009 Dubois Ave., Brookfield as of Oct. 10, 2020: Mary E. Farina, 68.