100 E 1st Street This well-maintained, all-brick 2-unit commercial building in Big Rock, Illinois, is a fully rented property. It is currently leased to a post office until 2027 in one unit, the property offers a stable income stream, with tenants responsible for all utilities except septic, lawn and snow removal. With ample parking, solid construction, and easy access to major highways, this property offers excellent long-term value in a growing community, making it an ideal addition to any commercial real estate portfolio. City is in charge of maintenance on septic while landlord pays a yearly expense of 462.00 dollars which is the only utility expense the landlord is responsible for. Current owner has met with the Big Rock assessor and expects that taxes will be reduced for 2024.