Northbrook Real Estate Listings – Homes For Sale in Northbrook | Tel (773) 987-8224. Michael Sorensen. Chicago Realtor. 400+ Homes & Buildings SOLD. Top 5 Agent in my company out of 300 agents. Special offers: 50% Buyer Commission Rebate or 3.0% Total Seller Commission on Chicago Homes over $300K. Chicago Discount Realtor. Chicago Real Estate Buyer Agent Commission Rebate 50% on Homes & Buildings over $300,000 listed by any agent, when you buy with Michael Sorensen as your Chicago HomeBuyer's Agent | Certified Negotiation Expert (CNE). Chicagoland Brokers Inc. 5151 N Harlem Ave 201, Chicago IL 60656. Call or text me (773) 987-8224.