William Jansen

William Jansen is a real estate agent with Pinnacle Power Brokers in West Dundee. MLS records credit William with 1 transaction over the last 12 months, worth $225,000 in total sales volume. Across both sides of the deal, that is an average of $225,000 per transaction.

All of William's MLS activity in this period is on the selling side, representing buyers: 1 buyer-side transaction for $225,000, or $225,000 on average.

By sales volume, William ranks 105th of the 107 agents in Barrington with recorded sales, ahead of 2 percent of them. The typical agent there closed 4 transactions worth $2 million.

Statewide, William is 23524th by volume among 25,248 Illinois agents with recorded sales.

In ZIP code 60010, the address on William's MLS record, the median sold price was $734,250 across 54 sales between September 2026 and October 2026. William's average transaction of $225,000 is below that median, so much of the work is in the more affordable part of the market.

William is listed with Pinnacle Power Brokers, West Dundee. No other agent shares that office record in our data.

These other Barrington 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.

• Kate Fanselow55 transactions · 51M volume
• Robbie Morrison70 transactions · 46.7M volume
• Tara Kelleher27 transactions · 23.1M volume
• Judy Ann Bruce28.5 transactions · 17M volume
• Daniel Drake33 transactions · 15.5M volume
• Sabina Wunderlich36 transactions · 14.4M 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. William has not claimed this profile, and a listing here does not mean William or Pinnacle Power Brokers endorses or is affiliated with Expert Agents Near Me. We collect no reviews, so there are no ratings from us on this page.