230 South Main Street is a Class B multi-tenant commercial building in downtown Jefferson, WI. Built in 1930 with major systems modernized (roof replaced 2023, multiple HVAC units updated 2024–2025). Single-floor layout with common-area restrooms and shared WiFi. Long-term stable tenant mix includes professional services, coworking, and community organizations. Located on Main Street with strong daytime foot traffic and easy access to downtown parking.