Brock Altenberger

Brock Altenberger is a real estate agent with Berkshire Hathaway HomeServices Speckman Realty in Bourbonnais. MLS records credit Brock with 6 transactions over the last 12 months, worth $2.1 million in total sales volume. Across both sides of the deal, that is an average of $345,000 per transaction.

2 of those transactions were on the listing side, representing sellers, for $845,000. The other 4 were on the selling side, representing buyers, for $1.2 million. Most of the work, 67 percent, is on the buyer side, so Brock is more often the agent a buyer hires.

The average price differs by side: $422,500 for listings and $306,250 for buyer-side sales.

By sales volume, Brock ranks 17th of the 42 agents in Kankakee with recorded sales, ahead of 60 percent of them. The typical agent there closed 4 transactions worth $1.3 million, so Brock's volume is about 1.5 times the local median.

Statewide, Brock is 9404th by volume among 25,248 Illinois agents with recorded sales.

In ZIP code 60901, the address on Brock's MLS record, the median sold price was $206,549 across 16 sales between September 2026 and October 2026. Brock's average transaction of $345,000 is about 1.7 times that median, which points to higher-priced homes than the ZIP code as a whole.

Brock is listed with Berkshire Hathaway HomeServices Speckman Realty, Bourbonnais. Other agents on the same office record, busiest first:

• Lisa Sanford42 transactions · 11.5M volume
• Amanda Fedrow42.5 transactions · 10.7M volume
• Annie Mitchell32 transactions · 10.5M volume
• Leanne Provost41 transactions · 10M volume
• Norman Gaskin27 transactions · 5.8M volume
• Dana Miramontes23 transactions · 5.7M volume

These other Kankakee agents also have recorded sales in the last 12 months. They are ranked by sales volume. Compare a few before you pick someone to interview.

• Rory Hertzberg66 transactions · 11.3M volume
• Berry McCracken48 transactions · 10.4M volume
• Paul Kirkpatrick31 transactions · 6.4M volume
• Dustin Kooy32.5 transactions · 5.4M volume

The numbers on this page come from public MLS and license records, last updated May 2026. Transaction counts and dollar volumes cover the last 12 months and are credited to the agent named on each record. Brock has not claimed this profile, and a listing here does not mean Brock or Berkshire Hathaway HomeServices Speckman Realty endorses or is affiliated with Expert Agents Near Me. We collect no reviews, so there are no ratings from us on this page.