General Headquarters

Forest Preserves General Headquarters building.

On this page:

Construction Notice

The Permit Office will remain open during construction activities at General Headquarters. However, we are unable to process cash transactions at this time. Accepted credit or debit cards only.

Location & Hours

General Headquarters & Permit Office

Things to Do & Amenities

  • Parking
  • Accessible Indoor Bathroom
  • Public Building


Hours vary by season (see below). Closed for official holidays.

Closures & Alerts

a Forest Preserves employee helps with a permit application

Permit Office

Staff at our General Headquarters will help you with all your permit, rental and membership needs.

General Headquarters & Permit Office
536 N Harlem Ave

The General Headquarters is closed each year on the following Cook County recognized holidays:

  • New Year’s Day – January
  • Martin Luther King, Jr. Day – January
  • Lincoln’s Birthday – February
  • President’s Day – February
  • Casimir Pulaski Day – March
  • Memorial Day – May
  • Juneteenth – June
  • Independence Day – July
  • Labor Day – September
  • Columbus Day – October
  • Veteran’s Day – November
  • Thanksgiving Day – November
  • Christmas Day – December

public art at Cummings Square
Transit Studio, Chicago Public Art Group and students from Oak Park & River Forest High School designed and built the “Rose” interactive sculpture in Cummings Square.

Cummings Square

Cummings Square, located next to the General Headquarters, features activity areas, public art, an outdoor stage and natural area.

Things to Do & Amenities

  • Parking


Year-round: Sunrise to Sunset

Closures & Alerts