Flat Fee MLS Realtor in Oak Park IL - Berg Properties would be proud to become your Realtor. Providing flat fee MLS listing services for Chicago, Northern Illinois and beyond. Inquire today about our Flat Fee MLS listing services and "For Sale By Owner" marketing help. Their unique background and perspective is why Berg Properties can offer such outstanding service at such an economical price point. Also serving areas of Chicago Metro, Minneapolis/St. Paul, Houston, St. Louis and Kansas City.