Your Central Illinois Property Experts! Look to Core 3 for a team with experience and market knowledge - whether you're an owner, tenant, buyer, or seller. Our services include apartments and houses for rent, property management, landscaping & maintenance, and residential real estate and construction services throughout Bloomington, Normal, Springfield, and Peoria in Illinois. Our team of professionals has led to continued growth and helped establish Core 3 as a trusted service provider in the market. Core 3 is your source for all things real estate.