Realty Executives Cornerstone specializes in Northern Illinois, focusing on McHenry, Kane, Lake, and portions of Cook Counties. We also hold a license in Wisconsin. With two offices- one in Crystal Lake and one in Algonquin- our Brokers can assist you in your buying, selling, leasing, and investment needs with ease. Our company has built a strong reputation as area experts when it comes to the local housing market. We contract with big banks such as Fannie Mae and Freddie Mac for foreclosure homes and utilize cutting edge technology for homes we list. As a Brokerage within Realty Executives International, we can also help you search beyond the immediate area and locate properties on a nationwide spectrum on your behalf. With expertise and Brokers knowledgable in both buying and selling homes throughout the Algonquin, Crystal Lake, Lake In The Hills, Carpentersviille, Crystal Lake, West Dundee and surrounding areas, you have found the right resource for all of your real estate needs. Whether you are looking for a new or existing properties, an investment, rehab opportunities, or land to develop you have found the best in professional service.

Through our website, you have the ability to search virtually every home for sale in our area. In addition to accessing houses and real estate for sale, this web site features comprehensive community information for neighborhoods that can help guide you in making the right buying or selling decision.


Additional real estate, home buying, and home selling tools


This website features every real estate tool you need when looking at McHenry, Kane, and Lake County real estate and homes for sale. You can browse exclusive homes for sale, search virtually all  area listings through our property search, calculate mortgage payments on your next home with my real estate mortgage calculators, access home buying and selling tips, get tremendous area information about greater Northeastern Illinois area including specific information for Algonquin, Crystal Lake, Lake In The Hills, Carpentersville, Crystal Lake and West Dundee, Elgin and more. Furthermore, you can find out how much your property is worth, and access comprehensive information about selecting us as your brokerage. We're happy to provide you with area specifics such as school and community details as well to help give you the proper tools to decide the best area for your family to live!

Thanks again for visiting and be certain to contact the email or phone number number above for the best in professional real estate service.

Area experts with cutting edge technology to help you buy, sell, or invest with ease. Our full service brokerage is dedicated to making your property search or listing process go as smoothly as possible. 

We have 11 Brokers between both our offices

Rick O'Connor- Broker/Owner 

Larry Lang- Buyer's Agent (Crystal Lake) "As Rick's right hand man since 2004, I am committed to providing all our clients with the highest caliber service and industry knowledge possible in our area."

Sonya Bellson- Buyer's Agent (Crystal Lake) "I am a proud resident of Crystal Lake with my 3 beautiful daughters- we love the area! I find it very rewarding when clients I am working with find the perfect home."

Kevin Kalbach- Broker (Crystal Lake) "I'm a Firefighter turned Realtor. While I appreciate my multiple awards and certifications, my true passion is serving people for a lifetime."

Donna Palmer- Broker (Crystal Lake)

John Milazzo- Broker (Algonquin) "I've lived in West Dundee for over 20 years and I've been an agent serving the Northwest suburbs full time for over 10 years"

Tim Lisack- Broker (Algonquin)

Yolanda La Luz- Broker (Algonquin)

Michelle DeLaughter - Broker (Algonquin)- "I enjoy helping people to achieve the desires of their
hearts. When I'm not helping people buy and sell homes, I enjoy homeschooling my children, trading stocks, going on mission's trips, and supporting missionary friends around the world."

Lisa Moore- Broker (Algonquin) "My specialty has been in the listing of bank owned properties- working with both individuals and investors. When I am not with my clients, I am spending my time with family and friends."

Tiffany Garcia- Broker (Algonquin) "Beyond my work in real estate, I am passionate about fund raising for St. Jude's Childrens Hospital."