Located in the heart of downtown St. Clair, 102 S Third Street offers a rare opportunity to own a commercially zoned corner-lot property with excellent visibility and access. Situated just minutes from the St. Clair River and surrounded by established businesses, restaurants, and municipal offices, this location benefits from strong daily traffic and walkability. The building is well-suited for a variety of commercial uses including office, retail, professional services, or owner-user operations (buyer verify permitted uses). The corner location enhances signage potential and overall presence, making it ideal for businesses seeking visibility in a thriving downtown setting. Whether you're an investor or owner-occupant, this property presents a strong opportunity to establish a foothold in one of St. Clair County's most desirable commercial districts.