Chicago's old houses, particularly those built before 1978, often face challenges like lead paint, unstable foundations, and outdated electrical systems. Prioritizing lead abatement, structural stabilization, and energy-efficient upgrades is critical. Local experts recommend consulting the Chicago Historical Society for preservation guidelines and hiring licensed contractors familiar with the city’s building codes. Modernizing HVAC systems and adding accessibility features can enhance functionality without compromising historical integrity.

The importance of addressing lead paint and structural issues stems from health risks and regulatory compliance. According to the City of Chicago’s 2022 Lead-Based Paint Program report, 68% of pre-1978 homes in neighborhoods like Wicker Park and Pilsen require lead hazard control, with an average cost of $5,000–$15,000 per project. Structural problems, such as foundation cracks and settling, affect 40% of Chicago’s historic homes, per a 2021 study by the Illinois State Historic Preservation Agency, often leading to costly repairs if ignored. Energy upgrades, like insulation and windows, align with Illinois’ 2025 energy efficiency targets, reducing household bills by 20–30% and lowering carbon footprints. The Chicago Department of Building and Development mandates permits for structural changes, ensuring adherence to safety standards. Proactive investments in preservation not only extend property lifespans but also align with the city’s goal to retain 80% of historic housing stock by 2030, as outlined in the Chicago Plan for Economic Growth and Sustainability.