Michael Tanzillo

Michael Tanzillo is a real estate agent with Keller Williams Success Realty in Barrington. MLS records credit Michael with 11 transactions over the last 12 months, worth $3 million in total sales volume. Across both sides of the deal, that is an average of $274,364 per transaction.

6 of those transactions were on the listing side, representing sellers, for $1.7 million. The other 5 were on the selling side, representing buyers, for $1.4 million. The split is close to even, so Michael works for both sellers and buyers.

The average price differs by side: $276,500 for listings and $271,800 for buyer-side sales.

By sales volume, Michael ranks 47th of the 152 agents in Crystal Lake with recorded sales, ahead of 69 percent of them. The typical agent there closed 4 transactions worth $1.6 million, so Michael's volume is about 1.9 times the local median.

Statewide, Michael is 7091st by volume among 25,248 Illinois agents with recorded sales.

In ZIP code 60014, the address on Michael's MLS record, the median sold price was $368,250 across 50 sales between September 2026 and October 2026. Michael's average transaction of $274,364 is below that median, so much of the work is in the more affordable part of the market.

Michael is listed with Keller Williams Success Realty, Barrington. Other agents on the same office record, busiest first:

• Sabina Wunderlich36 transactions · 14.4M volume
• Rebecca Pajich12 transactions · 6.7M volume
• Joseph Licari10 transactions · 3.7M volume
• Susan Ferry5 transactions · 2.9M volume
• Mary Yonehara5 transactions · 1.8M volume
• Veronica Goodrich4 transactions · 1.8M volume

These other Crystal Lake 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.

• Tyler Lewke91.5 transactions · 35.7M volume
• Miranda Alt55 transactions · 26.9M volume
• Jaimie Banke44 transactions · 16.5M volume
• Mandy Montford32 transactions · 15.2M volume
• Jennifer Stokes Habetler35.5 transactions · 14.9M volume
• Cathy Oberbroeckling31 transactions · 13.5M 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. Michael has not claimed this profile, and a listing here does not mean Michael or Keller Williams Success Realty endorses or is affiliated with Expert Agents Near Me. We collect no reviews, so there are no ratings from us on this page.