City of ChicagoChicago Building Department

• Chicago Planning Department
• Chicago Housing Authority
• Chicago Zoning Ordinance
• Chicago Landscape Ordinance (pdf)
• Landscape Ordinance Summary
• Chicago Green Design Links

State of Illinois

• Illinois Historic Preservation Agency (IHPA)
• Illinois Housing Development Authority(IHDA)
• Illinois Accessibility Code (pdf)

Federal Links

• U.S. Department of Justice - Americans with Disabilities Act (ADA) Standards for Accessible Design (pdf or html)
• U.S. Department of Housing and Urban Development (HUD)
• U.S. Deparpartment of Energy (DOE) Codes and Software

Historic Preservation

• National Park Service (NPS) - Heritage Preservation Services (HPS)
• Secretary of the Interior's Standards for the Treatment of Historic Properties
• Secretary of the Interior's Illustrated Guidelines for Rehabilitating Historic Buildings
• National Register of Historic Places

Architectural Links

• American Institute of Architects (AIA)
• AIA Chicago
• Chicago Architecture Foundation
• Chicago ImageBase (University of Illinois-Chicago)
• Architecture Web Resources (UNLV Library)